Reactions of (<i>E</i>)-2-Iodo-1-tosyl-1-alkenes as Useful Synthetic Intermediates
作者:Noriyoshi Iwata、Tetsuro Morioka、Toshifumi Kobayashi、Takahiro Asada、Hideki Kinoshita、Katsuhiko Inomata
DOI:10.1246/bcsj.65.1379
日期:1992.5
(E)-2-Iodo-1-tosyl-1-alkenes readily available by iodosulfonization of 1-alkynes were found to be useful synthons for the regio- and/or stereoselective preparation of 1-tosyl-1-alkynes, 1-tosyl-2-alkynes, (Z)-vinyl and (Z)-allyl sulfones, β-tosyl enamines, α-tosyl ketones, α-tosyl aldehyde acetal, and β-disubstituted vinyl sulfones.
(E)-2-Iodo-1-tosyl-1-烯烃很容易通过 1-炔烃的碘磺化作用获得,被发现是用于区域和/或立体选择性制备 1-tosyl-1-炔烃、1-甲苯磺酰基的有用合成子-2-炔烃、(Z)-乙烯基和(Z)-烯丙基砜、β-甲苯磺酰基烯胺、α-甲苯磺酰基酮、α-甲苯磺酰基醛缩醛和β-二取代乙烯基砜。