@article { ISI:000275756700018,
	title = {Bromine-induced facile synthesis of butenolides and spirobutenolides from sterically congested tetrasubstituted dialkyl alkylidene succinates},
	journal = {Synthesis-Stuttgart},
	number = {7},
	year = {2010},
	month = {APR},
	pages = {1188-1194},
	publisher = {GEORG THIEME VERLAG KG},
	address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY},
	abstract = {<p>Starting from sterically congested tetrasubstituted dialkyl alkylidene succinates, facile general approach to several dialkyl substituted butenolides and spirobutenolides with the generation of quaternary carbon center has been demonstrated via bromine-induced dealkylative regioselective intramolecular cyclization and dehydrobromination pathway. The mechanistic aspects involved in the formation of butenolides have been also described in brief.</p>},
	keywords = {alkylidene succinates, bromine, butenolides, intramolecular cyclizations, spirobutenolides},
	issn = {0039-7881},
	doi = {10.1055/s-0029-1219233},
	author = {Patel, Ramesh M. and N. P. Argade}
}
