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Synthesis and antimicrobial activity of 3-(N-arylamino)-2-phenyl-naphtho[1,3-d]-1,2-oxaphosphole 2-oxides

✍ Scribed by P. Haranath; U. Anasuyamma; C. Naga Raju; C. Devendranath Reddy; C. Suresh Reddy

Publisher
Journal of Heterocyclic Chemistry
Year
2005
Tongue
English
Weight
97 KB
Volume
42
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

The efficient preparation of cis‐3‐(N‐arylamino)‐2‐phenylnaphtho[1,3‐d]‐1,2‐oxaphosphole 2‐oxides 4 and 5 is described by a three‐component reaction involving phenyldichlorophosphine (2) 1‐hydroxy‐2‐naph‐thaldehyde/1‐hydroxy‐2‐acetonaphthone (1) and different substituted amines (3) in anhydrous benzene. The stereo structure, of the products (4 and 5), as well as the reaction mechanism of the cyclization is discussed. The title compounds (4 and 5) were fully characterized by NMR and mass spectral data. Their anti microbial activity was evaluated

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Synthesis and antimicrobial activity of 2-substituted-2,3-dihydro-5-propoxy-1H-1,3,2-benzodiazaphosphole 2-Oxides
✍ M. Venugopal; B. Sankar Reddy; C. Devendranath Reddy; K. D. Berlin 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 117 KB 👁 1 views

## Abstract Several 2‐alkylcarbamato/thiocarbamato/aryloxy/trichloromethyl‐2,3‐dihydro‐5‐propoxy‐1__H__‐1,3,2‐benzodiazaphosphole 2‐oxides (**4** and **6**) were synthesised by reacting 4‐propoxy‐__o__‐phenylenediamine (**1**) with various __N__‐dichlorophosphinyl carbamates (**3**), aryl phosphoro