2-(Trimethylsilyloxy)furan as a dianion equivalent: a two-step synthesis of functionalized spirocyclic butenolides.
[reaction: see text] The use of 2-(trimethylsilyloxy)furan derivatives as dianion equivalents leads to a general and connective spiroannulation protocol for the efficient preparation of spirocyclic butenolides.
Maulide
Nuno
N
Université catholique de Louvain, Département de Chimie, 1 Place Louis Pasteur, B-1348 Louvain-la-Neuve, Belgium.
Markó
István E
IE