[EN] CIS-2,6-DISUBSTITUTED TETRAHYDROPYRAN DERIVATIVES AND PREPARATION METHOD THEREOF [FR] DÉRIVÉS DE TÉTRAHYDROPYRANE CIS-2,6-DISUBSTITUÉS ET PROCÉDÉ POUR LES PRÉPARER
CIS-2, 6-DISUBSTITUTED TETRAHYDROPYRAN DERIVATIVES AND PREPARATION METHOD THEREOF
申请人:CHO Yong Seo
公开号:US20090209770A1
公开(公告)日:2009-08-20
Disclosed are cis-2,6-disubstituted tetrahydropyran derivatives represented by Chemical Formula 1 and a preparation method thereof. The tetrahydropyran derivatives can be prepared by Prins-reacting tetrahydropyran derivatives with homopargylicalcohol derivatives in the presence of trimethylsilyltriflate. The tetrahydropyran derivatives with cis-substituents at both C2 and C6 positions of the tetrahydropyran ring are useful as intermediates for use in the synthesis and development of therapeutically effective, naturally occurring compounds.
(wherein, R
1
, R
2
and R
3
are as defined in the specification.)
[EN] CIS-2,6-DISUBSTITUTED TETRAHYDROPYRAN DERIVATIVES AND PREPARATION METHOD THEREOF<br/>[FR] DÉRIVÉS DE TÉTRAHYDROPYRANE CIS-2,6-DISUBSTITUÉS ET PROCÉDÉ POUR LES PRÉPARER
申请人:KOREA INST SCI & TECH
公开号:WO2009104849A1
公开(公告)日:2009-08-27
Disclosed are cis-2,6-disubstituted tetrahydropyran derivatives and a preparation method thereof. The tetrahydropyran derivatives can be prepared by Prins-reacting tetrahydropyran derivatives with homopargylicalcohol derivatives in the presence of trimethylsilyltriflate. The tetrahydropyran derivatives with cis-substituents at both C2 and C6 positions of the tetrahydropyran ring are useful as intermediates for use in the synthesis and development of therapeutically effective, naturally occurring compounds.