Literature DB >> 27805818

PyBidine-Ni(OAc)2-Catalyzed Michael/Aldol Reaction of Methyleneindolinones and Thiosalicylaldehydes for Stereochemically Divergent Thiochromanyl-spirooxindoles.

Takayoshi Arai1, Tomoya Miyazaki1, Hiroki Ogawa1, Hyuma Masu1.   

Abstract

(S,S)-Diphenylethylenediamine-derived bis(imidazolidine)pyridine (PyBidine)-Ni(OAc)2 complex catalyzed the asymmetric Michael/aldol reaction of methyleneindolinone and thiosalicylaldehyde to produce (2'R,3S,4'R)-thiochromanyl-spirooxindole having three contiguous stereogenic centers.

Entities:  

Year:  2016        PMID： 27805818     DOI： 10.1021/acs.orglett.6b02783

Source DB:  PubMed          Journal:  Org Lett        ISSN： 1523-7052            Impact factor:   6.005


  4 in total

1.  Catalytic enantioselective Henry reaction of α-keto esters, 2-acylpyridines and 2-acylpyridine N-oxides.

Authors:  Feilong He; Guanghui Chen; Junxia Yang; Guojuan Liang; Ping Deng; Yan Xiong; Hui Zhou
Journal:  RSC Adv       Date:  2018-03-05       Impact factor: 4.036

2.  Construction of highly enantioenriched spirocyclopentaneoxindoles containing four consecutive stereocenters via thiourea-catalyzed asymmetric Michael-Henry cascade reactions.

Authors:  Yonglei Du; Jian Li; Kerong Chen; Chenglin Wu; Yu Zhou; Hong Liu
Journal:  Beilstein J Org Chem       Date:  2017-07-07       Impact factor: 2.883

Review 3.  Transition metal-catalyzed synthesis of spirooxindoles.

Authors:  P V Saranya; Mohan Neetha; Thaipparambil Aneeja; Gopinathan Anilkumar
Journal:  RSC Adv       Date:  2021-02-10       Impact factor: 3.361

4.  Synthesis of six-membered spirooxindoles via a chiral Brønsted acid-catalyzed asymmetric intramolecular Friedel-Crafts reaction.

Authors:  Hui-Xuan Chen; Yaqi Zhang; Yuyang Zhang; Xuefeng He; Zhen-Wei Zhang; Hao Liang; Wenhuan He; Xiaoding Jiang; Xiangmeng Chen; Liqin Qiu
Journal:  RSC Adv       Date:  2018-11-01       Impact factor: 4.036
  4 in total

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