C(2)-symmetric chiral pentacyclic guanidine: a phase-transfer catalyst for the asymmetric alkylation of tert-butyl glycinate Schiff base.
Kita
Tetsuya
T
Institute of Molecular and Cellular Biosciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan.
Georgieva
Angelina
A
Hashimoto
Yuichi
Y
Nakata
Tadashi
T
Nagasawa
Kazuo
K