Bifunctionalized Allenes, VII: Two Methods for One‐Pot Synthesis of Sulfonyl‐Functionalized Allenecarboxylates and Phosphorylated Allenes
作者:Valerij C. Christov、Jordanka G. Ivanova
DOI:10.1080/00397910600639042
日期:2006.6
Abstract Two new approaches to the synthesis of sulfonyl‐functionalized allenecarboxylates and phosphorylated allenes are described. 2‐Sulfonyl‐alka‐2,3‐dienoates were readily prepared in an one‐pot reaction by [2,3]‐sigmatropic rearrangement of sulfinato‐substituted 2‐alkynoates, in situ generated from ethyl propynoate and subsequent treatment with lithium diisopropyl (LDA), ketone, trimethylchlorosilane
摘要描述了合成磺酰基官能化丙二烯羧酸酯和磷酸化丙二烯的两种新方法。2-磺酰基-烷-2,3-二烯酸酯通过亚磺酸基取代的2-炔酸酯的[2,3]-σ-重排,由丙炔酸乙酯原位生成,然后用二异丙基锂处理,可以很容易地在一锅反应中制备。 LDA)、酮、三甲基氯硅烷 (TMSCl) 和相应的亚磺酰氯。1-磺酰基-烷-1,2-二烯膦酸酯和-1,2-二烯基膦氧化物的制备由磷酸化丙二烯和LDA原位生成的锂化合物与相应的磺酰氯反应组成。