02041nas a2200241   4500008004100000022001400041245009800055210006900153260014100222300001200363490000700375520108300382653002801465653002801493653001401521653001301535100002001548700002701568700002701595700003001622700002701652856012001679       2013                        eng d  a1516-143900aNovel vanadium n-propylamino phosphate catalyst: synthesis, characterization and applications0 aNovel vanadium npropylamino phosphate catalyst synthesis charact  aLABORATORIA DE MATERIAIS VITREOS, CAIXA POSTAL 676, SAO CARLOS, 13565-905SP, BRAZILbUNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALScJAN  a181-1890 v163 a<p>A novel, lamellar type Vanadium n-propylamino phosphate catalyst is synthesized and characterized by using various physicochemical techniques such as Powder X-ray diffraction, Scanning electron microscopy/Energy dispersive X-ray analysis, Thermogravimetry/Differential thermal analysis, Fourier transform Infrared analysis, Electron spin resonance spectroscopy, Ultraviolet - Visible Diffuse reflectance spectroscopy, X-ray Photoelectron spectroscopy, P-31 Magic angle spinning Nuclear Magnetic Resonance spectroscopy and Catalytic applications toward Octahydroquinazolinone synthesis. It is found that the n-propylamine is present as sandwich between Vanadyl phosphate layers. Most of the Vanadium is present as V4+ ions in tetrahedral co-ordination. Vanadium n-propylamino phosphate catalyses Octahydroquinazolinone synthesis more effeciently and the optimum conditions required for Octahydroquinazolinone synthesis are, Benzaldehyde (2 mmol), Dimedone (2 mmol), Urea (4 mmol), Methanol + Water (1:1, 5 mL) and Catalyst (0.05 g). A plausible mechanism is also proposed.</p>10an-propylamino phosphate10aoctahydroquinazolinones10asynthesis10aVanadium1 aAnumula, Rajini1 aNookaraju, Muralasetti1 aSelvaraj, Kaliaperumal1 aReddy, Ingala, Ajit Kumar1 aNarayanan, Venkatathri  uhttps://library.ncl.res.in/content/novel-vanadium-n-propylamino-phosphate-catalyst-synthesis-characterization-and-0