Sulfonyl compound and use of said compound as an...

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C - Chemistry, Metallurgy

07

C

260/643.2, 260/3

C07C 317/18 (2006.01) C07C 45/71 (2006.01) C07C 47/277 (2006.01) C07C 309/12 (2006.01) C07D 309/06 (2006.01) C07F 7/18 (2006.01)

Patent

CA 2039922

DIR 0459 Abstract The invention relates to a new sulfonyl compound having the general formula Image (I) wherein R1 is an unsubstituted or substituted aryl group; and R2 is a C1-C20 alkyl group, a C2-C20 alkenyl group or a C2-C20 alkynyl group, which groups may be substituted with one or more substituents selected from the group consisting of C1-C4 alkoxy, halogen, unsubstituted aryl and substituted aryl; or wherein R2 is a tri- (hydrocarbyl)silyl group, an optionally lower- alkyl- substituted dihydro- or tetrahydro- pyran-2-yl group, an optionally lower- alkyl- substitute dihydro- or- tetrahydro-fur-2-yl- group, or a lower alkoxyalkylgroup. This sulfonyl compound can be used as an intermediate in the process of producing vitamin A or its esters.

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