反应详情

The procedure was the same as described in Example 1b, except there were used 16.5 g of 3-(phenylethynyl)-benzaldehyde, 8.3 g of hydroxylamine hydrochloride and 8.2 g of sodium acetate to give 16.8 g (94.8% of the theoretical yield) of the title compound in form of a yellowish powder (mixture of isomers).

1. customto give 16.8 g (94.8% of the