Reactions of pyruvates: organocatalytic synthesis of functionalized dihydropyrans in one pot and further transformations to functionalized carbocycles and heterocycles
[EN] PROCESS FOR PRODUCING DIHYDRO-2H-PYRAN DERIVATIVES<br/>[FR] PROCÉDÉ DE PRODUCTION DE DÉRIVÉS DE DIHYDRO-2H-PYRANE
申请人:OKINAWA INST OF SCIENCE AND TECHNOLOGY SCHOOL CORP
公开号:WO2014058078A1
公开(公告)日:2014-04-17
Disclosed is a process for preparing dihydro-2H-pyran derivatives of formula I: wherein R1 and R2 are defined herein. The process of the invention provides the compound of formula I in concise cascade reactions and in one pot. The compound of formulae I prepared by the process of the invention and its further transformed derivatives are useful for making pharmaceutical composition for the treatment of proliferative diseases.