作者:M. K. M. Dirania、J. Hill
DOI:10.1039/j39680001311
日期:——
On irradiation in methanol, aryloxyacetones gave 2-methylbenzofurans and the phenol formed by fission of the ArO–CH2 bond. meta-Substituted aryloxyacetones also formed dimethyl acetals by a photoreaction. Chloro-,bromo-, and nitro-substituents retarded or prevented the photoreaction. When p-methoxyphenoxyacetone was irradiated, the intermediate leading to a benzofuran was isolated and shown to be the product of ortho-rearrangement.
在甲醇中辐照芳氧基乙酮时,会产生2-甲基苯并呋喃以及通过ArO-CH2键断裂形成的苯酚。间位取代的芳氧基乙酮还会通过光反应生成二甲氧基乙缩醛。氯代、溴代和硝基取代基会延缓或阻止光反应的进行。当使用对甲氧基苯氧基乙酮进行辐照时,生成苯并呋喃的中间体被分离出来,并被证实是邻位重排的产物。