Directed lithiation of N-(tert-butoxycarbonyl)aminoisoxazole: synthesis of 4-substituted aminoisoxazoles
作者:Toshiro Konoike、Yasuhiko Kanda、Yoshitaka Araki
DOI:10.1016/0040-4039(96)00476-5
日期:1996.5
Directed lithiation of 3-(Boc-amino)isoxazole 4 and 5-(Boc-amino)isoxazole 9 is described. Dilithioisoxazoles reacted with a variety of electrophiles to give the corresponding 4-substituted isoxazoles.