1169769-98-5Relevant academic research and scientific papers
Michael addition of N-unprotected 2-oxindoles to nitrostyrene catalyzed by bifunctional tertiary amines: Crucial role of dispersion interactions
Reiter, Christoph,Lopez-Molina, Sonia,Schmid, Bernhard,Neiss, Christian,Goerling, Andreas,Tsogoeva, Svetlana B.
, p. 1324 - 1332 (2014/05/20)
Bifunctional thiourea- or sulfonamide-derived tertiary amines catalyze the enantioselective nitro-Michael addition of N-unprotected 3-substituted 2-oxindoles to nitrostyrene in up to 99 % yields, 94:6 er, and 87:13 dr. Overcoming the necessity to introduc
Squaramide-catalyzed diastereo- and enantioselective Michael addition of 3-substituted oxindoles to nitroalkenes
Yang, Wen,Wang, Jingsi,Du, Da-Ming
experimental part, p. 972 - 980 (2012/09/22)
An efficient diastereo- and enantioselective Michael addition of 3-substituted oxindoles onto nitroalkenes catalyzed by a bifunctional chiral squaramide catalyst has been developed. This organocatalytic reaction with 2 mol % of catalyst proceeded smoothly
A homodinuclear Mn(III)2-Schiff base complex for catalytic asymmetric 1,4-additions of oxindoles to nitroalkenes
Kato, Yuko,Furutachi, Makoto,Chen, Zhihua,Mitsunuma, Harunobu,Matsunaga, Shigeki,Shibasaki, Masakatsu
supporting information; experimental part, p. 9168 - 9169 (2009/12/06)
(Chemical Equation Presented) Catalytic asymmetric 1,4-additions of 3-substituted oxindoles to β-aryl, β-heteroaryl, and β-alkenyl nitroalkenes are described. A new homodinuclear Mn2(OAc) 2-Schiff base 1 complex was required to reali
