(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。