The synthesis of crowned phenoselenazinone derivatives
摘要:
Several substituted crowned phenoselenazin-16-one derivatives were prepared by condensation of substituted zinc 2-amino-benzeneselenolates with 1,4-quinone of benzo[15]crown-5 or its dibromide in alcoholic solution. The dehalogenation of the bromoselenazinones was also investigated.
16 H-2,5,8,11,14-Pentaoxacyclopentadecano[2,3-a]phenoxazin-16-one, its 17-bromo analogue and 16-hydroxy-2,5,8,11,14-pentaoxacyclopentadecanophenoxazine were prepared by the reaction of 1,4-quinone of benzo[15]crown-5 or its dibromide with 2-aminophenol. Dehalogenation of the bromophenoxazinone was also investigated.