SCHEDULED MAINTENANCE
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.
M. K. M. Dirania and J. Hill, J. Chem. Soc. C, 1968, 1311 DOI: 10.1039/J39680001311
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