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Synthesis 1990; 1990(9): 843-844
DOI: 10.1055/s-1990-27031
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A Simple Preparation of Cyclic Vinylic Bromides (1-Bromocycloalkenes and 1-Bromo-1,5-cyclooctadiene) from 1,2-Dibromocycloalkanes

Balachandra S. Bandodakar* , Gopalpur Nagendrappa
  • *Department of Chemistry, Bangalore University (Central College), Bangalore-560 001, India
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Publication Date:
17 September 2002 (online)

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1,2-Dibromocyclopentane, 1,2-dibromocyclohexane, 1,2-dibromocycloheptane, 1,2-dibromocyclooctane, 1,2-dibromocyclododecane, and 5,6-dibromocyclooctene are smoothly dehydrobrominated to the corresponding 1-bromocycloalkenes in good yield using morpholine and dimethyl sulfoxide in benzene or ethanol.