, and the production and application of it were described.At present, the methods of synthesizing N-formylmorpholine are formic acid method, methyl formate method, carboxide acidylation method, etc.
目前N-甲酰吗啉的主要生方法有甲酸法、甲酸甲酯法和羰合成法等,其中甲酸法生最优,有较好的业应前景。
, and the production and application of it were described.At present, the methods of synthesizing N-formylmorpholine are formic acid method, methyl formate method, carboxide acidylation method, etc.
目前N-甲酰吗啉的主要生方法有甲酸法、甲酸甲酯法和羰合成法等,其中甲酸法生最优,有较好的业应前景。
A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.
利诱导效应指数建立了一个含羰有化合物的标准生成热的简单计算方法。
The results show that, after thermal treatment, the quinonoid structure is formed and the conjugated carboxide and phenolic hydroxyl are increased;
结果表明,刺槐木素受热后共轭羰、酚羟增多并且有醌型结构生;
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