Novel base-induced ring transformation of 1,2-benzisoxazole-3-acetic acid esters into 2H-azirines or benzofurans
作者:Sh?z? Ueda、Shunsuke Naruto、Toyokichi Yoshida、Tadahiro Sawayama、Hitoshi Uno
DOI:10.1039/c39850000218
日期:——
Treatment of α-mono-substituted 1,2-benzisoxazole-3-aceticacidesters (1) with strong bases caused a ringtransformation to afford 2H-azirines (2) or 3-imino-2,3-dihydrobenzofurans (3).