179 related articles for article (PubMed ID: 21882315)
61. Gem-difluorination of aminoalkynes via highly reactive dicationic species in superacid HF-SbF5: application to the efficient synthesis of difluorinated cinchona alkaloid derivatives.
Cantet AC; Carreyre H; Gesson JP; Jouannetaud MP; Renoux B
J Org Chem; 2008 Apr; 73(7):2875-8. PubMed ID: 18315004
[TBL] [Abstract][Full Text] [Related]
62. The dynamic kinetic resolution of azlactones with thiol nucleophiles catalyzed by arylated, deoxygenated cinchona alkaloids.
Rodríguez-Docampo Z; Quigley C; Tallon S; Connon SJ
J Org Chem; 2012 Mar; 77(5):2407-14. PubMed ID: 22353170
[TBL] [Abstract][Full Text] [Related]
63. Catalytic diastereoselective tandem conjugate addition-elimination reaction of Morita-Baylis-Hillman C adducts by C-C bond cleavage.
Yang W; Tan D; Lee R; Li L; Pan Y; Huang KW; Tan CH; Jiang Z
Chem Asian J; 2012 Apr; 7(4):771-7. PubMed ID: 22318922
[TBL] [Abstract][Full Text] [Related]
64. Organocatalytic chemoselective asymmetric N-allylic alkylation of enamides.
Huang JR; Cui HL; Lei J; Sun XH; Chen YC
Chem Commun (Camb); 2011 Apr; 47(16):4784-6. PubMed ID: 21409282
[TBL] [Abstract][Full Text] [Related]
65. Direct, stereoselective substitution in [Rh(CO)(2)Cl](2)-catalyzed allylic alkylations of unsymmetrical substrates.
Ashfeld BL; Miller KA; Martin SF
Org Lett; 2004 Apr; 6(8):1321-4. PubMed ID: 15070327
[TBL] [Abstract][Full Text] [Related]
66. Copper/Lewis base cooperatively catalyzed asymmetric allylic alkylation of Morita-Baylis-Hillman carbonates with azomethine ylides.
Hu Y; Yan Z; Shi W; Liao J; Liu M; Pan T; Wang W; Wu Y; Hao X; Guo H
Chem Commun (Camb); 2021 Aug; 57(65):8059-8062. PubMed ID: 34296236
[TBL] [Abstract][Full Text] [Related]
67. Phosphane-catalyzed [4+1] annulation between nitroalkenes and Morita-Baylis-Hillman carbonates: facile synthesis of isoxazoline N-oxides by phosphorus ylides.
Zhou R; Duan C; Yang C; He Z
Chem Asian J; 2014 Apr; 9(4):1183-9. PubMed ID: 24470222
[TBL] [Abstract][Full Text] [Related]
68. 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]
69. Cinchona alkaloid-catalyzed asymmetric trifluoromethylation of alkynyl ketones with trimethylsilyl trifluoromethane.
Kawai H; Tachi K; Tokunaga E; Shiro M; Shibata N
Org Lett; 2010 Nov; 12(22):5104-7. PubMed ID: 20954725
[TBL] [Abstract][Full Text] [Related]
70. Organocatalyzed regio- and enantioselective allylic trifluoromethylation of Morita-Baylis-Hillman adducts using Ruppert-Prakash reagent.
Furukawa T; Nishimine T; Tokunaga E; Hasegawa K; Shiro M; Shibata N
Org Lett; 2011 Aug; 13(15):3972-5. PubMed ID: 21699265
[TBL] [Abstract][Full Text] [Related]
71. Chemoselective synthesis of trifluoromethylated γ-butenolide derivatives via phosphine-promoted tandem reaction of allylic carbonates and trifluoromethyl ketones.
Xiao H; Duan HY; Ye J; Yao RS; Ma J; Yuan ZZ; Zhao G
Org Lett; 2014 Oct; 16(20):5462-5. PubMed ID: 25296160
[TBL] [Abstract][Full Text] [Related]
72. Efficient synthesis of optically active 4-nitro-cyclohexanones via bifunctional thiourea-base catalyzed double-Michael addition of nitromethane to dienones.
Wu B; Liu GG; Li MQ; Zhang Y; Zhang SY; Qiu JR; Xu XP; Ji SJ; Wang XW
Chem Commun (Camb); 2011 Apr; 47(13):3992-4. PubMed ID: 21331389
[TBL] [Abstract][Full Text] [Related]
73. Asymmetric synthesis of spiro-3,4-dihydropyrans via a domino organocatalytic sequence.
Yao W; Pan L; Wu Y; Ma C
Org Lett; 2010 May; 12(10):2422-5. PubMed ID: 20429598
[TBL] [Abstract][Full Text] [Related]
74. Enantioselective catalytic intramolecular cyclopropanation using modified cinchona alkaloid organocatalysts.
Johansson CC; Bremeyer N; Ley SV; Owen DR; Smith SC; Gaunt MJ
Angew Chem Int Ed Engl; 2006 Sep; 45(36):6024-8. PubMed ID: 16888822
[No Abstract] [Full Text] [Related]
75. Enantioselective synthesis of 3,4-dihydropyran-2-ones by domino Michael addition and lactonization with new asymmetric organocatalysts: cinchona-alkaloid-derived chiral quaternary ammonium phenoxides.
Tozawa T; Nagao H; Yamane Y; Mukaiyama T
Chem Asian J; 2007 Jan; 2(1):123-34. PubMed ID: 17441145
[TBL] [Abstract][Full Text] [Related]
76. Asymmetric Michael addition mediated by novel cinchona alkaloid-derived bifunctional catalysts containing sulfonamides.
Luo J; Xu LW; Hay RA; Lu Y
Org Lett; 2009 Jan; 11(2):437-40. PubMed ID: 19072133
[TBL] [Abstract][Full Text] [Related]
77. Formation of disubstituted beta-lactones using bifunctional catalysis.
Calter MA; Tretyak OA; Flaschenriem C
Org Lett; 2005 Apr; 7(9):1809-12. PubMed ID: 15844912
[TBL] [Abstract][Full Text] [Related]
78. Asymmetric synthesis of chiral aldehydes by conjugate additions with bifunctional organocatalysis by cinchona alkaloids.
Wu F; Hong R; Khan J; Liu X; Deng L
Angew Chem Int Ed Engl; 2006 Jun; 45(26):4301-5. PubMed ID: 16739143
[No Abstract] [Full Text] [Related]
79. N-Heterocyclic carbene-catalyzed (4+2) cycloaddition/decarboxylation of silyl dienol ethers with α,β-unsaturated acid fluorides.
Ryan SJ; Candish L; Lupton DW
J Am Chem Soc; 2011 Apr; 133(13):4694-7. PubMed ID: 21391673
[TBL] [Abstract][Full Text] [Related]
80. Catalytic, asymmetric, "interrupted" Feist-Bénary reactions.
Calter MA; Phillips RM; Flaschenriem C
J Am Chem Soc; 2005 Oct; 127(42):14566-7. PubMed ID: 16231897
[TBL] [Abstract][Full Text] [Related]
[Previous] [Next] [New Search]
