916235-58-0Relevant articles and documents
Asymmetric phase-transfer catalysis of homo- and heterochiral quaternary ammonium salts: development and application of conformationally flexible chiral phase-transfer catalysts
Ooi, Takashi,Uematsu, Yukitaka,Kameda, Minoru,Maruoka, Keiji
, p. 11425 - 11436 (2007/10/03)
Inspired by the considerable difference of catalytic activity and stereocontrolling ability between the conformationally rigid, homo- and heterochiral quaternary ammonium bromides 1, conformationally flexible, N-spiro chiral quaternary ammonium bromides o