Li et al., 2008 - Google Patents
Highly enantioselective Michael addition of malononitrile to α, β-unsaturated ketonesLi et al., 2008
- Document ID
- 5066188751684678019
- Author
- Li X
- Cun L
- Lian C
- Zhong L
- Chen Y
- Liao J
- Zhu J
- Deng J
- Publication year
- Publication venue
- Organic & Biomolecular Chemistry
External Links
Snippet
The highly enantioselective Michael addition of malononitrile to acyclic and cyclic α, β- unsaturated ketones has been developed. The Michael reaction catalyzed by a primary amine derived from quinidine proceeded smoothly and provided the desired adducts with …
- 238000006845 Michael addition reaction 0 title abstract description 21
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B53/00—Asymmetric syntheses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—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
- C07D207/30—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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
- C07C205/50—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to acyclic carbon atoms of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Highly enantioselective Michael addition of malononitrile to α, β-unsaturated ketones | |
| Singh et al. | Selenium reagents as catalysts | |
| Knudsen et al. | A chiral molecular recognition approach to the formation of optically active quaternary centres in aza-Henry reactions | |
| Russo et al. | Enantioselective organocatalytic α-heterofunctionalization of active methines | |
| Hernández et al. | Efficient ball-mill procedure in the ‘green’asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water | |
| Zheng et al. | Biomimetic catalytic enantioselective decarboxylative aldol reaction of β-ketoacids with trifluoromethyl ketones | |
| Wei et al. | New highly enantioselective thiourea-based bifunctional organocatalysts for nitro-Michael addition reactions | |
| Lu et al. | Synthesis of Sulfoximine‐Derived P, N Ligands and their Applications in Asymmetric Quinoline Hydrogenations | |
| Xu et al. | Chiral quaternary alkylammonium ionic liquid [Pro-dabco][BF4]: as a recyclable and highly efficient organocatalyst for asymmetric Michael addition reactions | |
| Wang et al. | Organocatalytic, enantioselective conjugate addition of nitroalkanes to nitroolefins | |
| Zheng et al. | Direct asymmetric aza Diels–Alder reaction catalyzed by chiral 2-pyrrolidinecarboxylic acid ionic liquid | |
| Jiang et al. | Asymmetric direct vinylogous carbon–carbon bond formation catalyzed by bifunctional organocatalysts | |
| Bai et al. | Structure influence of chiral 1, 1′-biscarboline-N, N′-dioxide on the enantioselective allylation of aldehydes with allyltrichlorosilanes | |
| Gajulapalli et al. | Organocatalytic asymmetric decarboxylative cyanomethylation of isatins using L-proline derived bifunctional thiourea | |
| Wang et al. | Aromatic L-prolinamide-catalyzed asymmetric Michael addition of aldehydes to nitroalkenes | |
| Zhang et al. | Synthesis and computation of diastereomeric phenanthroline–quinine ligands and their application in asymmetric Henry reaction | |
| Li et al. | Copper (II)-containing C2-symmetric bistetracarboline amides in enantioselective Henry reactions | |
| Dong et al. | Highly enantioselective synthesis of Warfarin and its analogs catalysed by primary amine–phosphinamide bifunctional catalysts | |
| Chen et al. | Preparation and application of chiral spiro nitrogen-containing ligands for cobalt-catalyzed asymmetric Michael addition | |
| Kochetkov et al. | Asymmetric synthesis of warfarin and its analogs catalyzed by C 2-symmetric squaramide-based primary diamines | |
| Malmgren et al. | Asymmetric conjugate addition of nitroalkanes to enones with a chiral α-aminophosphonate catalyst | |
| Tsubogo et al. | Synthesis of optically active, unnatural α-substituted glutamic acid derivatives by a chiral calcium-catalyzed 1, 4-addition reaction | |
| JP2003520261A (en) | Chemical transformation of substrates using nonmetallic organocatalyst compositions | |
| Wu et al. | Design of C2-symmetric salen ligands and their Co (II)-or Yb (III)-complexes, and their role in the reversal of enantioselectivity in the asymmetric Henry reaction | |
| Hara et al. | Mixed La–Li heterobimetallic complexes for tertiary nitroaldol resolution |