Literature DB >> 19180604

Asymmetric iminium ion catalysis with a novel bifunctional primary amine thiourea: controlling adjacent quaternary and tertiary stereocenters.

Patrizia Galzerano1, Giorgio Bencivenni1, Fabio Pesciaioli1, Andrea Mazzanti1, Berardino Giannichi1, Letizia Sambri1, Giuseppe Bartoli1, Paolo Melchiorre1.   

Abstract

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Year:  2009        PMID： 19180604     DOI： 10.1002/chem.200802466

Source DB:  PubMed          Journal:  Chemistry        ISSN： 0947-6539            Impact factor:   5.236


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  8 in total

1.  Bifunctional cinchona alkaloid-squaramide-catalyzed highly enantioselective aza-Michael addition of indolines to α,β-unsaturated ketones.

Authors:  Arun K Ghosh; Bing Zhou
Journal:  Tetrahedron Lett       Date:  2013-07-03       Impact factor: 2.415

2.  Construction of bispirooxindoles containing three quaternary stereocentres in a cascade using a single multifunctional organocatalyst.

Authors:  Bin Tan; Nuno R Candeias; Carlos F Barbas
Journal:  Nat Chem       Date:  2011-05-08       Impact factor: 24.427

3.  Free energy profile and microkinetic modeling of base-catalyzed conjugate addition reaction of nitroalkanes to α,β-unsaturated ketones in polar and apolar solvents.

Authors:  Virginia C Rufino; Stella M Resende; Josefredo R Pliego
Journal:  J Mol Model       Date:  2018-06-07       Impact factor: 1.810

4.  Palladium-catalyzed asymmetric allylic alkylation of 3-aryloxindoles with allylidene dipivalate: a useful enol pivalate product.

Authors:  Barry M Trost; James T Masters; Aaron C Burns
Journal:  Angew Chem Int Ed Engl       Date:  2013-01-17       Impact factor: 15.336

5.  Organocatalytic asymmetric Michael addition of unprotected 3-substituted oxindoles to 1,4-naphthoquinone.

Authors:  Jin-Sheng Yu; Feng Zhou; Yun-Lin Liu; Jian Zhou
Journal:  Beilstein J Org Chem       Date:  2012-08-23       Impact factor: 2.883

6.  Catalytic discrimination between formyl groups in regio- and stereoselective intramolecular cross-aldol reactions.

Authors:  Tomonori Baba; Junya Yamamoto; Kazuhiro Hayashi; Makoto Sato; Masahiro Yamanaka; Takeo Kawabata; Takumi Furuta
Journal:  Chem Sci       Date:  2016-02-22       Impact factor: 9.825

7.  Enantioselective Michael addition of 3-aryl-substituted oxindoles to methyl vinyl ketone catalyzed by a binaphthyl-modified bifunctional organocatalyst.

Authors:  Hyun Joo Lee; Saet Byeol Woo; Dae Young Kim
Journal:  Molecules       Date:  2012-06-18       Impact factor: 4.411

8.  Asymmetric domino synthesis of indanes bearing four contiguous stereocentres catalyzed by sub-mol% loadings of a squaramide in minutes.

Authors:  Charles C J Loh; Daniel Hack; Dieter Enders
Journal:  Chem Commun (Camb)       Date:  2013-11-11       Impact factor: 6.222
  8 in total

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