请输入您要查询的英文单词:
单词
benzaldehyde
释义
benzaldehyde
英
/ ben?z?ld?ha?d /
美
/ ben?z?ld??ha?d /
简明释义
n.
[有化] 苯甲醛;安息香醛
网络释义
1
?芳香醛
芳香醛
双语例句
1
The groups in ring of
benzaldehydes
, no matter they are electron withdrowing or electron donating except of hydroxy, do not seem to have much effect on the yield.
羟基处于醛基邻位和对位的苯甲醛与几种苯乙酮衍生物的缩合,多数没有得到预期的产物,或收率极低;苯乙酮环上的羟基对缩合反应影响很大,羟基越多,缩合越困难。
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更新时间:2026/7/17 12:34:53