Intramolecular Diels-Alder reactions of 2H-thiopyrans
作者:Dale E. Ward、Thomas E. Nixey
DOI:10.1016/s0040-4039(00)77461-2
日期:1993.2
Intramolecular Diels-Alder reactions of a series of substrates with 4-triisopropylsilyloxy-2H-thiopyran as the diene and a dienophile attached to each of the four possible positions by a three carbon tether were examined.