常見例句雙語例句The key steps were the iodization rearrangement of 2,3 epoxy alcohol 6 and Claisen rearrangement of allyl vinyl ether 8.其關(guān)鍵反應步驟是2 ,3-環(huán)氧醇的碘代重排反應和烯丙基烯基醚的尅萊森重排反應。Ab initio HF/6 31G calculations have been performed for the rearrangement mechanism of 1,2 shift in lithium allyl vinyl ether.以從頭算方法 (6 31G基組 )研究了烯丙基乙烯基醚鋰化物發(fā)生乙烯基從氧到碳上的 1,2 遷移的機理 。The effect of catalyst, reaction temperature, reaction pressure on conversion and purity of isobutal vinyl ether was discussed.討論了催化劑、反應溫度、反應壓力等對産率與純度的影響。 返回 vinyl ether