1313372-48-3Relevant articles and documents
Tandem addition-cyclization of o-ethynylphenyllithiums and isoselenocyanates: A convenient preparation of functionalized benzo[c]selenophenes
Kaname, Mamoru,Sashida, Haruki
experimental part, p. 3279 - 3282 (2011/07/08)
The o-bromoethynylbenzenes were lithiated with tert-BuLi in Et2O followed by treatment with isoselenocyanate, and then EtOH was added as a proton source, producing the desired (Z)-3-methylidenebenzo[c]selenophenes as the sole 5-exo-dig mode cyc