Reactions of 2-acylbenzoates with dimethyloxosulphonium methylide: A novel route to isocoumarins
作者:Kevin Beautement、John M. Clough
DOI:10.1016/s0040-4039(01)81355-1
日期:1984.1
Treatment of 2-benzoylbenzoates with dimethyloxosulphonium methylide (1) gives 4-phenylisocoumarins (2); methyl 2-acetylbenzoate gives 4-methylene-3,4-dihydroisocoumarin (3) under the same conditions.
用二甲基亚甲基ul(2-)处理2-苯甲酰苯甲酸酯(4-),得到4-苯基异香豆素(2-)。在相同条件下,2-乙酰基苯甲酸甲酯产生4-亚甲基-3,4-二氢异香豆素(3)。