Sulfinyl- and Sulfonyl-Substituted2-Benzylbenzoxazoles and 2-Benzylbenzo­thiazoles as PotentialPhotochromic Compounds

Abstract

S u b s t i t u t e d 2 -B e n z y l b e n z o x a z o l e s a n d 2 -B e n z y l b e n z o t h i a z o l e s a s P o t e n t i a l P h o t o c h r o m i c C o m p o u n d sAbstract: Some novel 2-benzylbenzoxazoles and 2-benzylbenzothiazoles, substituted at the 2¢ position by electron-withdrawing groups, were synthesized via the lithiation of the benzoxazole or benzothiazole ring. The expected reversible photoinduced protontransfer reaction of such compounds was studied.