Synthesis of chiral allyltitaniums having an amino group at the C-4 position and their diastereoselective addition reaction with aldehydes
作者:Xin Teng、Aleksandr Kasatkin、Yasufumi Kawanaka、Sentaro Okamoto、Fumie Sato
DOI:10.1016/s0040-4039(97)10367-7
日期:1997.12
Chiral allyltitaniums having an amino substituent at the C-4 position are prepared from optically active allylic alcohol derivatives 1 and Ti(O-i-Pr)(4)/2i-PrMgCl reagent, which, in turn, react with aldehydes regio-and stereoselectively to afford 3-amino-2-vinylalkanols in excellent yields. (C) 1997 Elsevier Science Ltd.