The present invention provides a preparation method for a natural product Trabectedin. Specifically, the present invention provides a preparation method for Et-743. In the method, tyrosine is used as an initial substrate, and after 26 steps of reaction, the Et-743 is synthesized. Raw materials and agents used in the synthetic route can all easily be obtained, reaction conditions are relatively mild, and preparation in large scale can be implemented.
C07D 515/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings
2.
Heterocyclic carboxylic acid amide ligand and applications thereof in copper catalyzed coupling reaction of aryl halogeno substitute
Provided are a heterocyclic carboxylic acid amide ligand and applications thereof in a copper catalyzed coupling reaction. Specifically, provided are uses of a compound represented by formula (I), definitions of radical groups being described in the specifications. The compound represented by formula (I) can be used as the ligand in the copper catalyzed coupling reaction of the aryl halogeno substitute, and is used or catalyzing the coupling reaction for forming the aryl halogeno substitute having C—N, C—O, C—S and other bonds.
C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
C07D 207/32 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
C07D 209/08 - IndolesHydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
C07D 209/12 - Radicals substituted by oxygen atoms
C07D 213/06 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
C07D 235/08 - Radicals containing only hydrogen and carbon atoms
C07D 239/02 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
C07D 277/02 - Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
C07C 209/60 - Preparation of compounds containing amino groups bound to a carbon skeleton by condensation or addition reactions, e.g. Mannich reaction, addition of ammonia or amines to alkenes or to alkynes or addition of compounds containing an active hydrogen atom to Schiff's bases, quinone imines, or aziranes
3.
Oxalic amide ligands, and uses thereof in copper-catalyzed coupling reaction of aryl halides
The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of each group are described in the specification. The compound represented by formula I can be used as a ligand in copper-catalyzed coupling reaction of aryl halides for the formation of C—N, C—O and C—S bonds.
C07D 207/325 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
C07C 233/56 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having carbon atoms of carboxamide groups bound to carbon atoms of carboxyl groups, e.g. oxamides
C07B 41/02 - Formation or introduction of functional groups containing oxygen of hydroxy or O-metal groups
C07B 43/04 - Formation or introduction of functional groups containing nitrogen of amino groups
C07B 45/06 - Formation or introduction of functional groups containing sulfur of mercapto or sulfide groups
C07C 41/26 - Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
C07C 45/64 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by introduction of functional groups containing oxygen only in singly bound form
C07C 209/08 - Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms with formation of amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
C07C 209/10 - Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms with formation of amino groups bound to carbon atoms of six-membered aromatic rings or from amines having nitrogen atoms bound to carbon atoms of six-membered aromatic rings
C07C 213/02 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
C07C 213/08 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions not involving the formation of amino groups, hydroxy groups or etherified or esterified hydroxy groups
C07C 221/00 - Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton
C07C 231/12 - Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
C07C 231/14 - Preparation of carboxylic acid amides by formation of carboxamide groups together with reactions not involving the carboxamide groups
C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
C07C 315/04 - Preparation of sulfonesPreparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
C07C 319/14 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
C07C 319/20 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
C07D 207/06 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with radicals, containing only hydrogen and carbon atoms, attached to ring carbon atoms
C07D 207/14 - Nitrogen atoms not forming part of a nitro radical
C07D 207/335 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C07D 213/65 - One oxygen atom attached in position 3 or 5
C07D 213/73 - Unsubstituted amino or imino radicals
C07D 213/89 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom
C07D 215/40 - Nitrogen atoms attached in position 8
C07D 217/22 - Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
C07D 231/12 - Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
C07D 233/60 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with hydrocarbon radicals, substituted by oxygen or sulfur atoms, attached to ring nitrogen atoms
C07D 241/42 - Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
C07D 263/56 - BenzoxazolesHydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
C07D 277/64 - Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
C07D 277/66 - Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2 with aromatic rings or ring systems directly attached in position 2
C07D 295/00 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
C07D 295/096 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
C07D 295/135 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
C07D 307/22 - Nitrogen atoms not forming part of a nitro radical
C07D 307/52 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
C07D 307/81 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
C07D 317/28 - Radicals substituted by nitrogen atoms
C07D 317/58 - Radicals substituted by nitrogen atoms
C07D 333/54 - Benzo [b] thiophenesHydrogenated benzo [b] thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
C07D 239/545 - Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
C07D 207/27 - 2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
C07D 209/08 - IndolesHydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
C07D 211/72 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms
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