In the following HWE reaction, which of following phosphates gives better E stereoselectivity?<img src="https://up.zaixiankaoshi.com/docs/2d/6e/2d6e2f1891925451eb8419c5ec44490d.png">
A、
B、
C、
D、
发布时间:2025-06-29 06:41:04
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A、
B、
C、
D、