627503-45-1Relevant articles and documents
Asymmetric Alkylation of N-Toluenesulfonylimines with Dialkylzinc Reagents Catalyzed by Copper-Chiral Amidophosphine
Soeta, Takahiro,Nagai, Kazushige,Fujihara, Hidetaka,Kuriyama, Masami,Tomioka, Kiyoshi
, p. 9723 - 9727 (2003)
The synthetic procedure of a chiral amidophosphine ligand 5 bearing two bulky substituents, 2,4,6-trimethylphenylmethyl or 2,4,6-triisopropylphenylmethyl groups, on the pyrrolidine ring was improved by employing the borane-THF reduction of the lactam-alco