麻辣粉絲煲
Claisen Condensation - Organic Chemistry Portal有人很喜歡“麻辣粉絲煲”這道菜。有一次他上飯館,又點了這道菜。但侍者告訴他,這道菜已經賣完了。「真的賣完了嗎?」他很失望地問。「先生,真的賣完了。最後一份賣給那桌的先生了。」侍者回答道。那人順著侍者的指點,看見有個很體面的紳士坐在鄰座。紳士的飯菜已經吃得差不多了,但那份&ldAcetoacetic-Ester Condensation Claisen Condensation The Claisen Condensation between esters containing α-hydrogens, promoted by a base such as sodium ethoxide, affords β-ketoesters. The driving force is the formation of the stabilized anion of the β-keto ...
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