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Title: Synthesis, NMR (1H, 13C and 31P), mass spectral studies and biological activity of 2-aryloxy/alkyl-6-methyl- 1,3,2-dioxaphosphorino[5,4-b]pyridine-2-oxides
Authors: Reddy, C Devendranath
Reddy, M S
Raju, C Naga
Issue Date: Jun-2000
Publisher: NISCAIR-CSIR, India
Abstract: Synthesis of 2-aryloxy/alkyl/phenyl-6-methyl-4H-1,3,2-dioxaphosphorino[5,4-b]- pyridine-2-oxides has been accomplished by condensation of equimolar quantities of various substituted phenylphosphorodichloridates and alkylphosphonic dichlorides with 3-hydroxy-6-methyl-2-pyridine-methanol (lutidine diol) in the presence of triethylamine in dry benzenepyridine. Their structures have been established by elemental analysis, IR, NMR (1H,13C and 31P) and mass spectral data. A few compounds have been screened for their expected antibacterial and antifungal activities.All the compounds exhibit molecular ions with high abundance and (M-OAr)+ ions are the base peaks in their mass spectra. Long range C-P coupling constant values are evaluated.
Page(s): 426-432
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.39B(06) [June 2000]

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