Synthesis with sulfones XLIV Stereoselective preparation of EE 1,3-dienes by elimination of benzenesulfinic acid from E homoallylic sulfones.
作者:C.Herve Du Penhoat、M. Julia
DOI:10.1016/s0040-4020(01)82061-5
日期:1986.1
The preparation of pure E and Z homoallylic 1,1-disulfones followed by the stereoselective reduction of one sulfonyl moiety afforded pure E and Z homoallylic sulfones respectively Basis elimination with tBuOK in THF gave the corresponding 1,3-dienes in good yield. This reaction, highly stereoselective in the case of E homoallylic sulfones, has been used in the synthesis of (8E,10E) 8,10-dodecadienol
制备纯的E和Z均烯丙基1,1-二砜,然后立体选择性地还原一个磺酰基部分,分别得到纯的E和Z均烯丙基砜,在THF中用tBuOK基本消除,得到相应的1,3-二烯,收率良好。该反应在E均烯丙基砜的情况下具有高度立体选择性,已被用于合成(8E,10E)8,10-十二碳烯醇和(9E)9,11-十二碳烯醇昆虫信息素组分。