was also monitored by Fourier transform infrared spectroscopy. The data indicated that at room temperature the rate of amine reaction was faster than the rate of its catalysis of enolization; however, below room temperature, the rate of base-catalyzed enolization became comparable with the rate of carbonyl-amine reaction forming both Heyns and Amadori adducts.
鉴定了1-羟基-2-
丙酮(
丙酮醇)的醛,酮和烯二醇形式的红外吸收带,并用于研究溶剂对吸收频率的影响以及温度和酸/碱催化对其的影响。烯醇化反应。数据表明,除
水外,酸和碱还可以催化1-羟基-2-
丙酮的烯醇化,而温度在碱性条件下反过来影响烯醇化速率。但是,在酸性条件下,升高温度有利于烯醇化过程。另外,还通过傅里叶变换红外光谱法监测了1-羟基-2-
丙酮与
伯胺和仲胺的反应。数据表明,在室温下,胺的反应速率快于烯醇化反应的催化速率。然而,在室温以下,碱催化的烯醇化速率与形成海因斯和阿马多里加合物的羰基胺反应速率相当。