Abstract
AbstractTreatment of bis(o‐nitrophenyl)diselenides with SmI2 led to simultaneous reduction of nitro groups and reductive cleavage of SeSe bonds as well as to the formation of the intermediates 2. The intermediates 2 were “living” double‐anions formed in situ, and reacted readily with ω‐bromoketones and α‐bromocarboxylic acid derivatives to afford the desired 2H‐1,4‐benzoselenazines and 2H‐1,4‐benzoselenazin‐3(4H)‐ones, respectively, in moderate to high yields and under mild conditions. © 2002 Wiley Periodicals, Inc. Heteroatom Chem 13:302–306, 2002; Published online in Wiley Interscience (www.interscience.wiley.com). DOI 10.1002/hc.10034
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