反应详情

Using the method of example 1, 15.24 g of 2-hydroxy-4-methylbenzoic acid (0.1 moles), 40.251 g of 3-phenyl-2-propen-1-ol (0.3 moles) and 4.9 g of anhydrous phosphoric acid (0.05 moles) give 23.9 g (89% yield) of (3-phenyl-2-propenyl)-2-hydroxy-4-methylbenzoate, m.p. 196°14 196.5° C.