Author/Authors :
Yadav، نويسنده , , J.S. and Thrimurtulu، نويسنده , , N. and Lakshmi، نويسنده , , K. Anantha and Prasad، نويسنده , , A.R. and Reddy، نويسنده , , B.V. Subba، نويسنده ,
Abstract :
The silylated secondary homopropargylic alcohols undergo smooth coupling with aldehydes in the presence of molecular iodine under mild reaction conditions to produce 4-iododihydropyrans in good yields. This method is highly stereoselective, affording cis-dihydropyrans exclusively.
Keywords :
molecular iodine , Homopropargylic alcohols , Silyl-Prins cyclization , 4-Iodo-dihydropyrans