116 related articles for article (PubMed ID: 19862796)
1. Self-association promoted conformational transition of (3R,4S,8R,9R)-9-[(3,5-bis(trifluoromethyl)phenyl))-thiourea](9-deoxy)-epi-cinchonine.
Király P; Soós T; Varga S; Vakulya B; Tárkányi G
Magn Reson Chem; 2010 Jan; 48(1):13-9. PubMed ID: 19862796
[TBL] [Abstract][Full Text] [Related]
2. Edge-to-face CH/pi aromatic interaction and molecular self-recognition in epi-cinchona-based bifunctional thiourea organocatalysis.
Tárkányi G; Király P; Varga S; Vakulya B; Soós T
Chemistry; 2008; 14(20):6078-86. PubMed ID: 18504723
[TBL] [Abstract][Full Text] [Related]
3. Active conformation in amine-thiourea bifunctional organocatalysis preformed by catalyst aggregation.
Tárkányi G; Király P; Soós T; Varga S
Chemistry; 2012 Feb; 18(7):1918-22. PubMed ID: 22262570
[TBL] [Abstract][Full Text] [Related]
4. Mechanistic insights on organocatalytic enantioselective decarboxylative protonation by epicinchona-thiourea hybrid derivatives.
Sengupta A; Sunoj RB
J Org Chem; 2012 Dec; 77(23):10525-36. PubMed ID: 23153357
[TBL] [Abstract][Full Text] [Related]
5. A combined NMR, DFT, and X-ray investigation of some cinchona alkaloid O-ethers.
Busygin I; Nieminen V; Taskinen A; Sinkkonen J; Toukoniitty E; Sillanpää R; Murzin DY; Leino R
J Org Chem; 2008 Sep; 73(17):6559-69. PubMed ID: 18683975
[TBL] [Abstract][Full Text] [Related]
6. Bioactive cinchona alkaloids from Remijia peruviana.
Ruiz-Mesia L; Ruiz-Mesía W; Reina M; Martínez-Diaz R; de Inés C; Guadaño A; González-Coloma A
J Agric Food Chem; 2005 Mar; 53(6):1921-6. PubMed ID: 15769114
[TBL] [Abstract][Full Text] [Related]
7. Conformational study of 9-dehydro-9-trifluoromethyl cinchona alkaloids via 19F NMR spectroscopy: emergence of trifluoromethyl moiety as a conformational stabilizer and a probe.
Prakash GK; Wang F; Ni C; Shen J; Haiges R; Yudin AK; Mathew T; Olah GA
J Am Chem Soc; 2011 Jul; 133(26):9992-5. PubMed ID: 21648459
[TBL] [Abstract][Full Text] [Related]
8. Combined use of molecular dynamics simulations and NMR to explore peptide bond isomerization and multiple intramolecular hydrogen-bonding possibilities in a cyclic pentapeptide, cyclo(Gly-Pro-D-Phe-Gly-Val).
Liu ZP; Gierasch LM
Biopolymers; 1992 Dec; 32(12):1727-39. PubMed ID: 1472655
[TBL] [Abstract][Full Text] [Related]
9. Conformational cooling dynamics in matrix-isolated 1,3-butanediol.
Rosado MT; Jesus AJ; Reva ID; Fausto R; Redinha JS
J Phys Chem A; 2009 Jul; 113(26):7499-507. PubMed ID: 19388693
[TBL] [Abstract][Full Text] [Related]
10. Tosyl esters of cinchonidine and cinchonine alkaloids: the structure-reactivity relationship in the hydrolysis to 9-epibases.
Karczmarzyk Z; Lipińska TM; Wysocki W; Denisiuk M; Piechocka K
Acta Crystallogr C; 2011 Sep; 67(Pt 9):o346-9. PubMed ID: 21881184
[TBL] [Abstract][Full Text] [Related]
11. Ring-opening polymerization of L-lactide efficiently triggered by an amido-indole. X-ray structure of a complex between L-lactide and the hydrogen-bonding organocatalyst.
Koeller S; Kadota J; Deffieux A; Peruch F; Massip S; Léger JM; Desvergne JP; Bibal B
J Am Chem Soc; 2009 Oct; 131(42):15088-9. PubMed ID: 19803512
[TBL] [Abstract][Full Text] [Related]
12. Urea- and thiourea-substituted cinchona alkaloid derivatives as highly efficient bifunctional organocatalysts for the asymmetric addition of malonate to nitroalkenes: inversion of configuration at C9 dramatically improves catalyst performance.
McCooey SH; Connon SJ
Angew Chem Int Ed Engl; 2005 Oct; 44(39):6367-70. PubMed ID: 16136619
[No Abstract] [Full Text] [Related]
13. Theoretical studies on the bifunctionality of chiral thiourea-based organocatalysts: competing routes to C-C bond formation.
Hamza A; Schubert G; Soós T; Papai I
J Am Chem Soc; 2006 Oct; 128(40):13151-60. PubMed ID: 17017795
[TBL] [Abstract][Full Text] [Related]
14. Structure-property relationship in py-hexahydrocinchonidine diastereomers: ab initio and NMR study.
Szöllösi G; Chatterjee A; Forgó P; Bartók M; Mizukami F
J Phys Chem A; 2005 Feb; 109(5):860-8. PubMed ID: 16838957
[TBL] [Abstract][Full Text] [Related]
15. Epi-cinchona based thiourea organocatalyst family as an efficient asymmetric Michael addition promoter: enantioselective conjugate addition of nitroalkanes to chalcones and alpha,beta-unsaturated N-acylpyrroles.
Vakulya B; Varga S; Soós T
J Org Chem; 2008 May; 73(9):3475-80. PubMed ID: 18376862
[TBL] [Abstract][Full Text] [Related]
16. Self-association-free dimeric cinchona alkaloid organocatalysts: unprecedented catalytic activity, enantioselectivity and catalyst recyclability in dynamic kinetic resolution of racemic azlactones.
Lee JW; Ryu TH; Oh JS; Bae HY; Jang HB; Song CE
Chem Commun (Camb); 2009 Dec; (46):7224-6. PubMed ID: 19921037
[TBL] [Abstract][Full Text] [Related]
17. 9-Thiourea Cinchona alkaloid supported on mesoporous silica as a highly enantioselective, recyclable heterogeneous asymmetric catalyst.
Yu P; He J; Guo C
Chem Commun (Camb); 2008 May; (20):2355-7. PubMed ID: 18473068
[TBL] [Abstract][Full Text] [Related]
18. Asymmetric addition of indoles to isatins catalysed by bifunctional modified cinchona alkaloid catalysts.
Chauhan P; Chimni SS
Chemistry; 2010 Jul; 16(26):7709-13. PubMed ID: 20533467
[No Abstract] [Full Text] [Related]
19. Self-association free bifunctional thiourea organocatalysts: synthesis of chiral α-amino acids via dynamic kinetic resolution of racemic azlactones.
Oh JS; Lee JW; Ryu TH; Lee JH; Song CE
Org Biomol Chem; 2012 Feb; 10(5):1052-5. PubMed ID: 22159406
[TBL] [Abstract][Full Text] [Related]
20. Highly enantioselective conjugate addition of nitromethane to chalcones using bifunctional cinchona organocatalysts.
Vakulya B; Varga S; Csámpai A; Soós T
Org Lett; 2005 May; 7(10):1967-9. PubMed ID: 15876031
[TBL] [Abstract][Full Text] [Related]
[Next] [New Search]
