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ChemInform Abstract: Preparation of Diazenes by Electrophilic C-Coupling Reactions of Dry Arenediazonium o- Benzenedisulfonimides with Grignard Reagents.

✍ Scribed by M. BARBERO; I. DEGANI; S. DUGHERA; R. FOCHI; P. PERRACINO

Publisher: John Wiley and Sons
Year: 2010
Weight: 32 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199850100

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✦ Synopsis

Preparation of Diazenes by Electrophilic C-Coupling Reactions of Dry Arenediazonium o-Benzenedisulfonimides with Grignard Reagents. -Twenty-three different aryldiazenes (III) are prepared by electrophilic C-coupling reactions of highly pure and stable salts (I) with Grignard reagents. Work-up temp. of 30 • C gives both E-and Z-isomers, whereas heating to 70 • C for 1 hour results in exclusive formation of the E-isomer. -(BARBERO, M.;

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