Synthesis of highly functionalized [3]dendralenes and their Diels–Alder reactions displaying unexpected regioselectivity
作者:Gonna Somu Naidu、Rekha Singh、Mukesh Kumar、Sunil K. Ghosh
DOI:10.1039/c6ra01729k
日期:——
Acyclic tetrasubstituted [3]dendralenes stable towards D-A cyclodimerization have been prepared by double olefination of substituted dienyl phosphonates with dimethylsulfonium methylide followed by H-W-E olefination of the formed butadienylphosphonoacetates with aldehydes....