前往化源商城

β??Cleavage of Bis (homoallylic) Potassium Alkoxides. Two??Step Preparation of Propenyl Ketones from Carboxylic Esters. Synthesis of ar??Turmerone, α??Damascone, …

RL Snowden, SM Linder, BL Muller…

文献索引:Snowden, Roger L.; Linder, Simon M.; Muller, Bernard L.; Schulte, Karl H. Helvetica Chimica Acta, 1987 , vol. 70, p. 1858 - 1878

全文:HTML全文

被引用次数: 34

摘要

Abstract The transformation of 36 bis (homoallylic) alcohols VII to alkenones IX and Xvia β- cleavage of their potassium alkoxides VIIa in HMPA has been investigated (cf. Scheme 2). These studies have established an order of β-cleavage for 2-propenyl, 1-methyl-2propenyl, 2-methyl-2-propenyl, 1, 1-dimethyl-2propenyl, and benzyl groups in alkoxides 49a–56a and have allowed a comparison between the β-cleavege reaction and the oxy-Cope ...

 相关合成线路

~%

~75%

~86%

~%

~%

~%

~%

~0%

详细

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%