期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202300666
关键词
Asymmetric conjugate addition; beta,beta-Disubstituted nitroalkenes; Metal catalysis; Organocatalysis; Quaternary stereogenic center
This review summarizes recent advances in the construction of all-carbon quaternary or hetero-carbon quaternary stereocenters via metal-catalyzed and organocatalyzed asymmetric conjugate addition to β,β-disubstituted nitroalkenes, focusing on the scope, applications, and mechanisms of these reactions.
Quaternary stereogenic centers are of great importance because of their prevalence in a series of bioactive natural products and pharmaceuticals. Although the catalytic asymmetric construction of these highly congested centers poses a formidable challenge, this field has been extensively explored in the past few decades, and several elegant strategies, such as the asymmetric conjugate addition to beta,beta-disubstituted nitroalkenes, have been developed. The resultant beta-nitro quaternary stereocenters can be conveniently transformed into the corresponding beta-amino quaternary stereocenters commonly found in bioactive compounds. This review summarizes the recent advances in the construction of all-carbon quaternary or hetero-carbon quaternary stereocenters via metal-catalyzed and organocatalyzed asymmetric conjugate addition to beta,beta-disubstituted nitroalkenes, focusing on the scope, applications, and mechanisms of these reactions.
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