Treatment of dialkyl and di(aralkyl) malonates, alkyl cyano- and acetoacetates, and 1,3-diketones with formaldehyde in the presence of tertiary amines gives their 2,2-bis(hydroxymethyl) derivatives in 59 to 96% yield.
用三烷基和二(芳基烷基)
丙二酸酯、烷基
氰基
乙酸酯和
乙酰乙酸酯以及1,3-二酮在
三烷基胺存在下与
甲醛反应,可以59%到96%的产率制得它们相应的2,2-双(羟甲基)衍
生物。