105096-76-2Relevant articles and documents
New sulfonyl compound and use of said compound in the process of producing vitamin A or its esters
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, (2008/06/13)
The invention relates to a new sulfonyl compound having the general formula wherein R1is an unsubstituted or substituted aryl group; and R2is 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 tetrahydropyran-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.
Stereocontrolled synthesis of vitamin A through a double elimination reaction. A novel convergent C10 + C10 route
Otera,Misawa,Onishi,et al.
, p. 3834 - 3838 (2007/10/02)
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