241 related articles for article (PubMed ID: 20414483)
1. The highly enantioselective Michael addition of ketones to nitrodienes catalyzed by the efficient organocatalyst system of pyrrolidinyl-thioimidazole and chiral thioureido acid.
Li ZB; Luo SP; Guo Y; Xia AB; Xu DQ
Org Biomol Chem; 2010 Jun; 8(11):2505-8. PubMed ID: 20414483
[TBL] [Abstract][Full Text] [Related]
2. A chiral thioureido acid as an effective additive for enantioselective organocatalytic Michael additions of nitroolefins.
Xu DQ; Yue HD; Luo SP; Xia AB; Zhang S; Xu ZY
Org Biomol Chem; 2008 Jun; 6(12):2054-7. PubMed ID: 18528564
[TBL] [Abstract][Full Text] [Related]
3. Chiral bifunctional thiourea-catalyzed enantioselective Michael addition of ketones to nitrodienes.
Ma H; Liu K; Zhang FG; Zhu CL; Nie J; Ma JA
J Org Chem; 2010 Mar; 75(5):1402-9. PubMed ID: 20136102
[TBL] [Abstract][Full Text] [Related]
4. Novel bifunctional chiral thiourea catalyzed highly enantioselective aza-Henry reaction.
Wang C; Zhou Z; Tang C
Org Lett; 2008 May; 10(9):1707-10. PubMed ID: 18396893
[TBL] [Abstract][Full Text] [Related]
5. Highly enantioselective water-compatible organocatalyst for Michael reaction of ketones to nitroolefins.
Vishnumaya ; Singh VK
Org Lett; 2007 Mar; 9(6):1117-9. PubMed ID: 17316013
[TBL] [Abstract][Full Text] [Related]
6. Chiral squaramide-catalyzed highly diastereo- and enantioselective direct Michael addition of nitroalkanes to nitroalkenes.
Yang W; Du DM
Chem Commun (Camb); 2011 Dec; 47(47):12706-8. PubMed ID: 22042378
[TBL] [Abstract][Full Text] [Related]
7. Direct asymmetric Michael addition of thioether-based aryl sulfanyl-propan-2-one to nitroalkenes catalyzed by a chiral amine-thiourea bifunctional organocatalyst.
Jiang X; Zhang B; Zhang Y; Lin L; Yan W; Wang R
Chirality; 2010 Jul; 22(7):625-34. PubMed ID: 20143410
[TBL] [Abstract][Full Text] [Related]
8. An efficient organocatalytic enantioselective Michael addition of aryl methyl ketones with 2-furanones: highly functionalized chiral 3,4-substituted lactones.
Wang W; Wang J; Zhou S; Sun Q; Ge Z; Wang X; Li R
Chem Commun (Camb); 2013 Feb; 49(13):1333-5. PubMed ID: 23304701
[TBL] [Abstract][Full Text] [Related]
9. A new class of structurally rigid tricyclic chiral secondary amine organocatalyst: highly enantioselective organocatalytic Michael addition of aldehydes to vinyl sulfones.
Xiao J; Lu YP; Liu YL; Wong PS; Loh TP
Org Lett; 2011 Mar; 13(5):876-9. PubMed ID: 21271690
[TBL] [Abstract][Full Text] [Related]
10. Direct enantioselective Michael addition of aldehydes to vinyl ketones catalyzed by chiral amines.
Melchiorre P; Jørgensen KA
J Org Chem; 2003 May; 68(11):4151-7. PubMed ID: 12762713
[TBL] [Abstract][Full Text] [Related]
11. An efficient organocatalytic method for highly enantioselective Michael addition of malonates to enones catalyzed by readily accessible primary amine-thiourea.
Dudziński K; Pakulska AM; Kwiatkowski P
Org Lett; 2012 Aug; 14(16):4222-5. PubMed ID: 22873407
[TBL] [Abstract][Full Text] [Related]
12. Highly enantioselective organocatalytic sulfa-Michael addition to alpha,beta-unsaturated ketones.
Rana NK; Selvakumar S; Singh VK
J Org Chem; 2010 Mar; 75(6):2089-91. PubMed ID: 20180509
[TBL] [Abstract][Full Text] [Related]
13. Organocatalytic enantioselective Michael addition of malononitrile to nitroolefins catalyzed by bifunctional thiourea.
Guo HM; Li JG; Qu GR; Zhang XM; Yuan WC
Chirality; 2011 Aug; 23(7):514-8. PubMed ID: 21506168
[TBL] [Abstract][Full Text] [Related]
14. Efficient direct asymmetric vinylogous Michael addition reactions of gamma-butenolides to chalcones catalyzed by vicinal primary-diamine salts.
Wang J; Qi C; Ge Z; Cheng T; Li R
Chem Commun (Camb); 2010 Mar; 46(12):2124-6. PubMed ID: 20221513
[TBL] [Abstract][Full Text] [Related]
15. Highly active chiral phosphoramide-Zn(II) complexes as conjugate acid-base catalysts for enantioselective organozinc addition to ketones.
Hatano M; Miyamoto T; Ishihara K
Org Lett; 2007 Oct; 9(22):4535-8. PubMed ID: 17902685
[TBL] [Abstract][Full Text] [Related]
16. Asymmetric Michael addition reaction of 3-substituted-N-Boc oxindoles to activated terminal alkenes catalyzed by a bifunctional tertiary-amine thiourea catalyst.
Li X; Xi ZG; Luo S; Cheng JP
Org Biomol Chem; 2010 Jan; 8(1):77-82. PubMed ID: 20024135
[TBL] [Abstract][Full Text] [Related]
17. Chiral N-heterocyclic carbene catalyzed staudinger reaction of ketenes with imines: highly enantioselective synthesis of N-Boc beta-lactams.
Zhang YR; He L; Wu X; Shao PL; Ye S
Org Lett; 2008 Jan; 10(2):277-80. PubMed ID: 18085789
[TBL] [Abstract][Full Text] [Related]
18. Chiral scandium catalysts for enantioselective Michael reactions of beta-ketoesters.
Ogawa C; Kizu K; Shimizu H; Takeuchi M; Kobayashi S
Chem Asian J; 2006 Jul; 1(1-2):121-4. PubMed ID: 17441046
[TBL] [Abstract][Full Text] [Related]
19. Enantioselective organocatalytic Michael addition of ketones to alkylidene malonates.
Syu SE; Huang CH; Chen KW; Lee CJ; Das U; Jang YJ; Lin W
Chirality; 2012 Aug; 24(8):600-5. PubMed ID: 22589149
[TBL] [Abstract][Full Text] [Related]
20. Organocatalytic highly enantio- and diastereoselective Mannich reaction of beta-ketoesters with N-Boc-aldimines.
Kang YK; Kim DY
J Org Chem; 2009 Aug; 74(15):5734-7. PubMed ID: 19555053
[TBL] [Abstract][Full Text] [Related]
[Next] [New Search]
