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Items: 1 to 20 of 361

1.

Asymmetric synthesis of α-alkyl α-selenocarbonyl compounds catalyzed by bifunctional organocatalysts.

Marcos V, Alemán J, Ruano JL, Marini F, Tiecco M.

Org Lett. 2011 Jun 17;13(12):3052-5. doi: 10.1021/ol200923p. Epub 2011 May 17.

PMID:
21591622
3.
4.

Asymmetric 1,4-addition of oxazolones to nitroalkenes by bifunctional cinchona alkaloid thiourea organocatalysts: synthesis of alpha,alpha-disubstituted alpha-amino acids.

Alemán J, Milelli A, Cabrera S, Reyes E, Jørgensen KA.

Chemistry. 2008;14(35):10958-66. doi: 10.1002/chem.200802030.

PMID:
18979472
5.

Asymmetric synthesis of 1,3-dioxolanes by organocatalytic formal [3 + 2] cycloaddition via hemiacetal intermediates.

Asano K, Matsubara S.

Org Lett. 2012 Mar 16;14(6):1620-3. doi: 10.1021/ol3003755. Epub 2012 Mar 2.

PMID:
22381213
6.

Chiral amine-thioureas bearing multiple hydrogen bonding donors: highly efficient organocatalysts for asymmetric Michael addition of acetylacetone to nitroolefins.

Wang CJ, Zhang ZH, Dong XQ, Wu XJ.

Chem Commun (Camb). 2008 Mar 28;(12):1431-3. doi: 10.1039/b718949d. Epub 2008 Jan 23.

PMID:
18338046
7.

Theoretical study on the mechanism and stereochemistry of the cinchona-thiourea organocatalytic hydrophosphonylation of an α-ketoester.

Li W, Huang D, Lv Y.

Org Biomol Chem. 2013 Nov 21;11(43):7497-506. doi: 10.1039/c3ob41397g.

PMID:
24084844
8.

Quinine-derived thiourea and squaramide catalyzed conjugate addition of α-nitrophosphonates to enones: asymmetric synthesis of quaternary α-aminophosphonates.

Bera K, Namboothiri IN.

J Org Chem. 2015 Feb 6;80(3):1402-13. doi: 10.1021/jo502332r. Epub 2015 Jan 23.

PMID:
25569800
9.

Asymmetric hydrophosphonylation of alpha-ketoesters catalyzed by cinchona-derived thiourea organocatalysts.

Wang F, Liu X, Cui X, Xiong Y, Zhou X, Feng X.

Chemistry. 2009;15(3):589-92. doi: 10.1002/chem.200802237. No abstract available.

PMID:
19086043
10.

Asymmetric catalytic cycloetherification mediated by bifunctional organocatalysts.

Asano K, Matsubara S.

J Am Chem Soc. 2011 Oct 26;133(42):16711-3. doi: 10.1021/ja207322d. Epub 2011 Sep 28.

PMID:
21942273
11.

Enantioselective organocatalytic michael addition of malonates to alpha,beta-unsaturated ketones.

Li P, Wen S, Yu F, Liu Q, Li W, Wang Y, Liang X, Ye J.

Org Lett. 2009 Feb 5;11(3):753-6. doi: 10.1021/ol802892h.

PMID:
19115980
12.

Organocatalytic asymmetric oxy-Michael addition to a γ-hydroxy-α,β-unsaturated thioester via hemiacetal intermediates.

Okamura T, Asano K, Matsubara S.

Chem Commun (Camb). 2012 May 25;48(42):5076-8. doi: 10.1039/c2cc31602a. Epub 2012 Apr 16.

PMID:
22509493
13.

Catalytic asymmetric aza-Michael-Michael addition cascade: enantioselective synthesis of polysubstituted 4-aminobenzopyrans.

Wang XF, An J, Zhang XX, Tan F, Chen JR, Xiao WJ.

Org Lett. 2011 Feb 18;13(4):808-11. doi: 10.1021/ol1031188. Epub 2011 Jan 19.

PMID:
21247143
14.

Enantioselective and regioselective organocatalytic conjugate addition of malonates to nitroenynes.

Li XJ, Peng FZ, Li X, Wu WT, Sun ZW, Li YM, Zhang SX, Shao ZH.

Chem Asian J. 2011 Jan 3;6(1):220-5. doi: 10.1002/asia.201000561.

PMID:
21077095
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16.
17.

Enantioselective Michael addition of alpha-substituted cyanoacetates to vinyl ketones catalyzed by bifunctional organocatalysts.

Liu TY, Li R, Chai Q, Long J, Li BJ, Wu Y, Ding LS, Chen YC.

Chemistry. 2007;13(1):319-27.

PMID:
17039561
18.

Coupling reaction of alkyl chlorides with silyl enolates catalyzed by indium trihalide.

Nishimoto Y, Yasuda M, Baba A.

Org Lett. 2007 Nov 22;9(24):4931-4. Epub 2007 Nov 2.

PMID:
17975916
19.

Synthesis of 1,2,4-triazolines: base-catalyzed hydrazination/cyclization cascade of α-isocyano esters and amides.

Monge D, Jensen KL, Marín I, Jørgensen KA.

Org Lett. 2011 Jan 21;13(2):328-31. doi: 10.1021/ol102812c. Epub 2010 Dec 17.

PMID:
21166428
20.

Organocatalytic asymmetric direct alpha-alkynylation of cyclic beta-ketoesters.

Poulsen TB, Bernardi L, Aleman J, Overgaard J, Jørgensen KA.

J Am Chem Soc. 2007 Jan 17;129(2):441-9.

PMID:
17212424
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