Photocatalyzed reactions of 2-(alkoxycarbonyl)benzenediazonium tetrafluoroborates with various alkenes afforded isochromanones in good yields, according to a mechanism that was investigated. The advantage of using highly soluble esters rather than carboxylic acids as starting compounds became evident when the reactions were performed under flow conditions. On the other hand, when 2-vinylbenzoic acid
Reduction of 3-(carboxyaryl)isocoumarins with sodium borohydride
作者:V. V. Ishchenko、N. M. Voevoda、O. V. Shablykina、A. V. Turov、V. P. Khilya
DOI:10.1007/s10593-012-0896-3
日期:2012.1
Reduction of 3-(carboxyaryl)isocoumarins with sodium borohydride proceeds with formation of corresponding 3-carboxyaryl-3,4-dihydroisocoumarins or isomeric dihydrophthalides, 3-(2-carboxybenzyl)-2-benzofuran-1(3H)-ones. Derivatives at the carboxyl group of 3-carboxyaryl-3,4-dihydroisocoumarins and 3-(2-carboxybenzyl)-2-benzofuran-1(3H)-ones have been obtained.