2,3-Dihydro-2,2-dimethyl-1,4-benzoxazepin-5(4H)-ones and 2,3-dihydro-2,2-dimethyl-1,5-benzoxazepin-4(5H)-ones have been synthesized by the Schmidt reaction of 2,2-dimethyl-4-chromanones. 2,2-Dimethylbenzoxazepinthiones have been prepared by the reaction of 2,2-dimethylbenzoxazepinones with Lawesson's Reagent.
LEVAI, ALBERT;TOTH, GABOR;SZOLOSY, ARON;TIMAR, TIBOR, MONATSH. CHEM., 121,(1990) N, C. 403-411
作者:LEVAI, ALBERT、TOTH, GABOR、SZOLOSY, ARON、TIMAR, TIBOR
DOI:——
日期:——
Synthesis of benzopyran derivatives, XV Preparation of arylsulfonyloxy-2,2-dimethyl-2H-chromenes