Syntheses and electron impact spectra of 2-aryl substituted octahydro-1H-1,3,2-benzodiazaphosphole 2-oxides
✍ Scribed by C. Devendranath Reddy; C. V. Nageswara Rao
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 238 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1076-5174
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## 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 presenc
## 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
Table 1. The EI mass spectra, showing peaks of >5% relative abundance (RA), of compounds 1-10, using 70 eV electrons Compound m/z (% RA) 1 315(M, 55) 314(10) 161(10) 160(89) 159(13) 107(12) 106(100) 105(11) 104(9) 91(33) 77(22) 65(15) a 2 345(M, 4) 316(7) 315(19) 314(100) 190(11) 175(7) 172(5) 160(1
3, were synthesized by cyclization of 4-propylthio-1,2-phenylenediamine ( 3) with the corresponding dichlorophosphoryl carbamates/thiocarbamates (2a-J) that were obtained by the addition of alcohols/thiols to isocyanatophosphoryl dichloride (1). The structures of the title compounds were confirme