例句 /

Synthesis methods for p-hydroxybenzaldehyde are reviewed and their advantages and disadvantages are briefly compared, to conclude that direct p-cresol oxygenation is a good method, with calm reaction, simple operation, high yield, high purity and little t

Synthesis methods for p-hydroxybenzaldehyde are reviewed and their advantages and disadvantages are briefly compared, to conclude that direct p-cresol oxygenation is a good method, with calm reaction, simple operation, high yield, high purity and little t

叙述了对羟基苯甲醛的各种合成方法,并对各种方法的优缺点作了简要对比,认为对甲酚直接催化氧化法反应平稳、操作简单,收率和纯度高,三废量少,是一种很有前途的合成方法。