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百科
双烯合成
Diels-Alder reaction
- 己稀雌酚(DES)和双烯雌酚(DI)是人工合成的雌性激素，它对禽肉类动物具有明显的生长和催肥作用。
Diethylstilbestrol (DES) and Dienestrol (DI) are synthetic estrogen and as a growth promoter in meat-producing animals and fowl. - 本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨，在此基础上合成了四个酮的二甲硅基双烯醇醚，产率较高。
The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high. - 通过烯丙基溴化锌对手性亚胺的两次不对称加成，合成了光活性的双烯丙基化的新型手性二胺。
A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.
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