反应详情

36.9 g of sodium glyoxylate, 75 g of ammonium acetate, 81.5 g of pyrogallol and 130 ml of water are treated in the same manner as described in Example 1. 13.3 g of DL-(2,3,4-trihydroxyphenyl)glycine are thereby obtained as crystals. Yield: 20.6% M.p. 198°-203° C. (decomp.).