Polyfunctional compounds containing the 4,6-dialkoxy-7-arylthioheptene moiety as synthetically useful intermediates. The course of Lewis acid-induced transformations
Data on the selectivity of the Lewis acids induced transformations of the title compounds are presented, and the routes leading to formation of products containing either cyclohexane or 1,3-diene units are described.
Chekmarev, Dmitriy S.,Lazareva, Margarita I.,Zatonsky, Georgy V.,Maskaev, Andrei V.,Caple, Ron,Smit, William
p. 7957 - 7967
(2007/10/03)
REACTION SEQUENCE ARYLSULFENYL CHLORIDE + ALKOXYALKENE-I + ALKOXYALKENE-II + ALLYLMAGNESIUM OR BORON DERIVATIVES AS A NEW METHOD FOR THE CONTROLLED SYNTHESIS OF POLYFUNCTIONAL DERIVATIVES
A new method is proposed for the controlled synthesis of polyfunctional compouds with formation of two new carbon-carbon bonds; the method is based on the following reaction sequence, which can be carried out in a single flask: addition of ArSCl to vinyl ether I, reaction of the resultant adduct with vinyl ether II in the presence of Lewis acid to form a cationic complex, and treatment of the latter with allyl derivatives of boron or magnesium.
Smolyakova, I. P.,Smit, V. A.,Bubnov, Yu. N.,Shashkov, A. S.
p. 981 - 987
(2007/10/02)
Arylsulfenyl chloride mediated coupling of three nucleophilic fragments with the formation of two c= bonds
The sequence of reactions ArSCl + vinyl ether-I + vinyl ether-II + organomagnesium reagents has been developed as a convergent protocol for assembling polyfunctional cokounds from simple precursors.
Smoliakova,Smit,Osinov
p. 2601 - 2604
(2007/10/02)
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