127392-99-8Relevant articles and documents
Enantioconservative synthesis and ring closing metathesis of disubstituted dialkenic amides
Sauriat-Dorizon, Helene,Guibe, Francois
, p. 6711 - 6714 (1998)
Optically pure disubstituted dialkenic amides 2, which are direct precursors of Z-ethylenic pseudo-peptides 1, are readily synthesized and then cyclized to lactams 3 in the presence of Grubbs' ruthenium-based metathesis catalysts with total conservation of enantiomeric purity.
ASYMMETRIC ALKYLATION OF N-ACYLSULTAMS: A GENERAL ROUTE TO ENANTIOMERICALLY PURE, CRYSTALLINE C(α,α)-DISUBSTITUTED CARBOXYLIC ACID DERIVATIVES.
Oppolzer, Wolfgang,Moretti, Robert,Thomi, Silvia
, p. 5603 - 5606 (2007/10/02)
Successive treatment of acylsultams 2 with nBuLi or NHMDS and primary alkyl halides, followed by crystallization, gave pure C(α)-alkylation products 4 and, via their non-destructive cleavage, enantiomerically pure alcohols 5 or carboxylic acids 6.