亲核体
qīn hé tǐ
- nucleophile
亲核体-
当在体系中加入亲核体时，开环的物质同时会与亲核体发生偶联反应，反应效率中等。
When added the nucleophilic substances to the reaction , the substance-opened was able to occur coupling reaction with the nucleophilic substances , and had a medium reaction efficiency .
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结果表明，三光气与亲核体发生反应的条件温和，所得产物的产率与光气反应时的一样或更高。
The results showed that the reaction between triphosgene and nucleophilic group could be conducted at mild conditions , and the yield of product was at the same level of that from the reaction with phosgene or even more .