1333342-48-5Relevant 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
Novel tartrate-derived guanidine-catalyzed highly enantio- and diastereoselective Michael addition of 3-substituted oxindoles to nitroolefins
Zou, Liwei,Bao, Xiaoze,Ma, Yuanyuan,Song, Yuming,Qu, Jingping,Wang, Baomin
supporting information, p. 5760 - 5762 (2014/05/20)
The Michael addition of 3-substituted oxindoles to nitroolefins was catalyzed by a novel tartrate-derived guanidine in high yield with excellent diastereo- and enantioselectivity. This method showed an extraordinarily broad substrate scope in terms of both reaction partners. the Partner Organisations 2014.
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
Asymmetric michael addition of N-Boc-protected oxindoles to nitroalkenes catalyzed by a chiral secondary amine
Wang, Chuan,Yang, Xuena,Enders, Dieter
supporting information; experimental part, p. 4832 - 4835 (2012/05/20)
New mission for prolinol ethers: A secondary-amine-catalyzed Michael addition of N-Boc-protected oxindoles to nitroalkenes through a Bronsted base activation mode has been developed, furnishing the products in excellent yields (88-98%), diastereoselectivi
