Phenothiazines are of interest as model heterocyclic compounds and also as pharmacological agents with a wide spectrum of biological activities. Cation radicals derived from six phenothiazine derivatives including phenothiazine, 2-chlorophenothiazine, promazine, chlorpromazine, promethazine and trim
Cation radicals in the bromination of benzodipyran derivatives
โ Scribed by Francis M. Dean; Steven N. France; Ulku Oyman
- Book ID
- 104203785
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- French
- Weight
- 566 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0040-4020
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โฆ Synopsis
Bromim attacks the free armtic
l ftu in 2,3.4,7.0.9-hua-
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Attempts to generate the radical cations of nitroalkanes using the standard procedure of exposing dilute solutions in fluorotrichloranethane at 77 K to ionizing radiation gave 1~ yields of the expected prcducts, having a SOMO confined. to oxygen as judged by their e.s.r. spectra, together with a sp
Reaction of (S)-2-chloro-3-phenylpropanoic acid derivatives with NBS gave the corresponding 3-bromo-2chloro derivatives with a preference for the formation of the (2R,3S) isomers over the (2R,3R) isomers. The stereoselectivity was affected by the nature of the carboxylic acid derivative. Reaction of