Photochemical cyclisation of some iodophenyl- and iodothienyl-(thienyl)-ethylenes
- 1 January 1970
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- No. 18,p. 2504-2508
- https://doi.org/10.1039/j39700002504
Abstract
The photoconversion of some iodophenyl(thienyl)ethylenes and iodothienyl(thienyl)ethylenes to naphthothiophens and benzodithiophens respectively has been carried out. The results suggest that the intermediate in these cyclisations is likely to be a dihydro-derivative, which suffers dehydrogenation, rather than an aryl radical which effects an intramolecular substitution.Keywords
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