Synthesis of Fluorine-Containing Cyclic α-Amino Acid and α-Amino Phosphonate Derivatives by Alkene Metathesis
作者:Sergey N. Osipov、Oleg I. Artyushin、Alexey F. Kolomiets、Christian Bruneau、Michel Picquet、Pierre H. Dixneuf
DOI:10.1002/1099-0690(200110)2001:20<3891::aid-ejoc3891>3.0.co;2-r
日期:2001.10
additions into fluorine-containing amino esters and amino phosphonates with two pendent alkene chains (XF2C)(CH2=CH(CH2)nC(NPG)(Z)(CH2)mCH=CH2 [Z = CO2Me, P(O)(OR)2]. The ring-closing metathesis was performed on the α-amino ester dienes with Ru=CHPh(Cl)2(PCy3)2 catalyst and afforded five-, six-, and seven-membered cyclic amino esters, whereas the α-aminophosphonate dienes were transformed with RCM catalyst
亲电亚氨基酯 XF2CC(=NPG)CO2Me 和亚氨基膦酸酯 CF3CC(=NPG)P(O)(OR)2 (PG = SO2Ph, Cbz, Boc) 通过亲核和亲电加成转化为含氟氨基酯和具有两个烯烃侧链 (XF2C)(CH2=CH(CH2)nC(NPG)(Z)(CH2)mCH=CH2 [Z = CO2Me, P(O)(OR)2] 的氨基膦酸酯。闭环复分解用 Ru=CHPh(Cl)2(PCy3)2 催化剂对 α-氨基酯二烯进行反应,得到五元、六元和七元环氨基酯,而 α-氨基膦酸酯二烯用 RCM 催化剂转化[ Ru=C=C=CPh2(Cl)(PCy3)(p-cymene)]OTf 得到六元和七元环状 α-氨基-α-(三氟甲基)膦酸酯。