Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating brain injuries.

IPC Classes  ?

• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• A61P 25/00 - Drugs for disorders of the nervous system

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating neurodegenerative diseases and disorders. In particular, vasopressin receptor modulators, and compositions, methods and uses thereof, are described herein for treating neuropsychiatric aspects of neurodegenerative diseases such as Huntington's Disease, Parkinson's Disease, and Alzheimer's Disease.

IPC Classes  ?

• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• A61K 31/4025 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil not condensed and containing further heterocyclic rings, e.g. cromakalim
• A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• A61K 31/4453 - Non-condensed piperidines, e.g. piperocaine only substituted in position 1, e.g. propipocaine, diperodon
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating brain injuries.

IPC Classes  ?

• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61P 25/00 - Drugs for disorders of the nervous system
• A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating neurodegenerative diseases and disorders. In particular, vasopressin receptor modulators, and compositions, methods and uses thereof, are described herein for treating neuropsychiatric aspects of neurodegenerative diseases such as Huntington's Disease, Parkinson's Disease, and Alzheimer's Disease.

IPC Classes  ?

• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• A61K 31/4025 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil not condensed and containing further heterocyclic rings, e.g. cromakalim
• A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• A61K 31/4453 - Non-condensed piperidines, e.g. piperocaine only substituted in position 1, e.g. propipocaine, diperodon
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups

Abstract

Compounds and compositions are described herein for treating post traumatic stress disorder.

IPC Classes  ?

• A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 31/439 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom the ring forming part of a bridged ring system, e.g. quinuclidine
• A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating brain injuries.

IPC Classes  ?

• C07D 229/02 - Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms containing three-membered rings

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating neurodegenerative diseases and disorders. In particular, vasopressin receptor modulators, and compositions, methods and uses thereof, are described herein for treating neuropsychiatric aspects of neurodegenerative diseases such as Huntington's Disease, Parkinson's Disease, and Alzheimer's Disease.

IPC Classes  ?

• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/4525 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with oxygen as a ring hetero atom
• A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
• A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• A61K 31/4025 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil not condensed and containing further heterocyclic rings, e.g. cromakalim
• A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• A61K 31/4453 - Non-condensed piperidines, e.g. piperocaine only substituted in position 1, e.g. propipocaine, diperodon
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating neurodegenerative diseases and disorders. In particular, vasopressin receptor modulators, and compositions, methods and uses thereof, are described herein for treating neuropsychiatric aspects of neurodegenerative diseases such as Huntington's Disease, Parkinson's Disease, and Alzheimer's Disease.

IPC Classes  ?

• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond

Abstract

Compounds and compositions are described herein for treating post traumatic stress disorder.

IPC Classes  ?

• A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 31/439 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom the ring forming part of a bridged ring system, e.g. quinuclidine
• A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating neurodegenerative diseases and disorders. In particular, vasopressin receptor modulators, and compositions, methods and uses thereof, are described herein for treating neuropsychiatric aspects of neurodegenerative diseases such as Huntingtons Disease, Parkinson's Disease, and Alzheimers Disease.

IPC Classes  ?

• A61K 31/395 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• A61K 31/42 - Oxazoles
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
• A61P 25/14 - Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
• A61P 25/16 - Anti-Parkinson drugs
• A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia

Abstract

Compounds, and compositions, methods, and uses thereof, are described herein for treating neurodegenerative diseases and disorders. In particular, vasopressin receptor modulators, and compositions, methods and uses thereof, are described herein for treating neuropsychiatric aspects of neurodegenerative diseases such as Huntingtons Disease, Parkinson's Disease, and Alzheimers Disease.

IPC Classes  ?

• C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond

Abstract

Compounds and compositions are described herein for treating post traumatic stress disorder.

IPC Classes  ?

• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond

Abstract

Substituted 2-(azetidin-2-on-1-yl)alkoxyalkylalkanoic acids and 2-(azetidin-2-on-1-yl)arylalkylalkanoic acids, and analogs and derivatives thereof are described. Methods for using the described compounds, and pharmaceutical compositions thereof, to treat disease states responsive to antagonism of one or more vasopressin receptors are also described.

IPC Classes  ?

• C07D 205/085 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• A61P 25/22 - Anxiolytics

Abstract

Compounds of the formula: (see above formula) and compositions comprising said compounds are described herein for use in the treatment of post-traumatic stress disorder or intermittent explosive disorder.

IPC Classes  ?

• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61P 25/00 - Drugs for disorders of the nervous system
• A61P 25/22 - Anxiolytics
• A61P 25/24 - Antidepressants

Abstract

Compounds and compositions are described herein for treating post tramatic stress disorder.

IPC Classes  ?

• A01N 43/00 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
• C07D 205/00 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom

Abstract

0-lactamyl alkanoic acids are described. Methods for treating various premenstrual disorders using or more β-lactamyl alkanoic acids are also described.

IPC Classes  ?

• A01N 43/00 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine

Abstract

Substituted 2-(azetidin-2-on-1-yl)alkoxyalkylalkanoic acids and 2-(azetidin-2-on-1-yl)arylalkylalkanoic acids, and analogs and derivatives thereof are described. Methods for using the described compounds, and pharmaceutical compositions thereof, to treat disease states responsive to antagonism of one or more vasopressin receptors are also described.

IPC Classes  ?

• C07D 205/085 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3
• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• A61P 25/22 - Anxiolytics

Abstract

Described herein are substituted 2-(azetidin-2-on-l-yl)alkanoic acids, alkanedioic acids and 2-hydroxyalkyl alkanoic acids, and 2-acyl alkanoic acids, and derivatives thereof, that are capable of modulating activity at the cannabinoid-1 (CBl) and/or cannabinoid-2 (CB2) receptor. Also described herein are methods for treating mammals in need of relief from disease states associated with and responsive to modulation of the CBl and/or CB2 receptor activity.

IPC Classes  ?

• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
• A61K 31/421 - 1,3-Oxazoles, e.g. pemoline, trimethadione
• A61P 3/04 - AnorexiantsAntiobesity agents
• A61P 19/08 - Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
• A61P 19/10 - Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease for osteoporosis
• A61P 37/08 - Antiallergic agents
• A61P 11/06 - Antiasthmatics
• A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]
• A61P 13/12 - Drugs for disorders of the urinary system of the kidneys
• A61P 37/06 - Immunosuppressants, e.g. drugs for graft rejection

Abstract

β-lactamyl alkanoic acids and pharmaceutical compositions thereof are described. Methods for treating various diseases and disease states using one or more β-lactamyl alkanoic acids are also described. Substituted 2-(azetidin-2-on-l-yl)alkanedioic acids, substituted 2-(azetidin-2-on- l-yl)hydroxyalkylalkanoic acids, and 2-(azetidin-2-on-l-yl)alkylalkanoic acids, and analogs and derivatives thereof are described. Methods for using 2-(azetidin-2-on-l-yl)alkanedioic acids and derivatives thereof in the treatment of disease states responsive to antagonism of the vasopressin V2 receptor are also described.

IPC Classes  ?

• A61K 31/55 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
• C07D 223/14 - Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom condensed with carbocyclic rings or ring systems

Abstract

3-Hydroxy and 3-keto substituted 2-(azetidin-2-on-l-yl)alkanedioic acids, and analogs and derivatives thereof are described. Methods for using 3-hydroxy and 3-keto substituted 2-(azetidin-2-on-l-yl)alkanedioic acids, and analogs and derivatives thereof, in the treatment of disease states responsive to antagonism of vasopressin receptors are also described.

IPC Classes  ?

• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
• C07D 205/085 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3

Abstract

Substituted 2-(azetidin-2-on-l-yl)alkoxyalkylalkanoic acids and 2-(azetidin-2-on-l-yl)arylalkylalkanoic acids, and analogs and derivatives thereof are described. Methods for using the described compounds, and pharmaceutical compositions thereof, to treat disease states responsive to antagonism of one or more vasopressin receptors are also described.

IPC Classes  ?

• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
• A61P 25/00 - Drugs for disorders of the nervous system

Abstract

.beta.-lactamyl alkanoic acid vasopressin V1a receptor antagonists are described.

IPC Classes  ?

• A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine

Abstract

1a receptor

IPC Classes  ?

• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
• C07D 205/085 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3
• C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
• A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin