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Synthesis of 2-substituted-2,3-dihydro-5-benzoyl-1H-1,3,2-benzodiazaphosphole 2-oxides/sulfides

✍ Scribed by P. Vasu Govardhana Reddy; Y. Hari Babu; C. Suresh Reddy; D. Srinivasulu

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
207 KB
Volume
13
Category
Article
ISSN
1042-7163

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✦ Synopsis

Abstract

Syntheses of 2‐aryloxy/2‐chloro ethoxy‐2,3‐dihydro‐5‐benzoyl‐1H‐1,3,2‐benzodiaza‐phosphole 2‐oxides 3a–h were accomplished by reactions of equimolar quantities of 3,4‐diaminobenzophenone (1) with various aryl/chloroethoxy phosphorodichloridates 2a–g and 2h in the presence of triethylamine at 50–60°C. Compounds 3i–k were prepared by reacting 3,4‐diaminobenzophenone (1) with aryl thiophosphorodichloridates 2i–k under similar conditions. They were characterized by IR, ^1^H, ^13^C, and ^31^P NMR spectral data. Some of these products possessed siginificant antimicrobial activity © 2002 Wiley Periodicals, Inc. Heteroatom Chem 13:340–345, 2002; Published online in Wiley Interscience (www.interscience.wiley.com). DOI 10.1002/hc.10044

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