摘要:
一系列手性戊烷-2,4-二基硫醚胺配体[ 4和5 ; (R,S)-和(S,S)-R 1 SCH(CH 3)CH 2 CH(CH 3)NHR 2,其中4a R 1 = i Pr,R 2 = Ph; 4b R 1 = t Bu,R 2 = Ph; 4c R 1 = 1-Ad,R 2 = Ph; 5a R 1 = i Pr,R 2 = Ph;5b R 1 = t Bu,R 2 = Ph; 5c R 1 = 1-Ad,R 2 = Ph; 5d R 1 = i Pr,R 2 = 4-MeOC 6 H 4 ; 5e R 1 = i Pr,R 2 = 4-MeC 6 H 4 ; 5f R 1 = i Pr,R 2 = 3,5-Me 2 C 6 H[3 ]具有立体异构的S和N供体原子,是通过光学上纯的γ-氨基醇或2,4-二甲基氮杂环丁烷中间体从环状硫酸盐开