P. N. Nagar

ORCID: 0000-0002-9872-1003
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Organometallic Compounds Synthesis and Characterization
  • Synthesis and Reactivity of Sulfur-Containing Compounds
  • Organophosphorus compounds synthesis
  • Adsorption and biosorption for pollutant removal
  • Sesame and Sesamin Research
  • Bone health and treatments
  • Synthesis and characterization of novel inorganic/organometallic compounds
  • Child Nutrition and Water Access
  • Agricultural Economics and Practices
  • Metal complexes synthesis and properties
  • Organometallic Complex Synthesis and Catalysis
  • Cassava research and cyanide
  • Synthesis and Characterization of Heterocyclic Compounds
  • Inorganic and Organometallic Chemistry
  • Crystal structures of chemical compounds
  • Food Science and Nutritional Studies
  • Mercury impact and mitigation studies
  • Synthesis of Organic Compounds
  • Organoboron and organosilicon chemistry
  • Coordination Chemistry and Organometallics
  • Healthcare and Environmental Waste Management
  • Insect Pest Control Strategies
  • Phenothiazines and Benzothiazines Synthesis and Activities
  • Aerogels and thermal insulation
  • Conducting polymers and applications

University of Rajasthan
2005-2024

IPS Academy
2022

Institute of Engineering
2022

Maharaja Sayajirao University of Baroda
2021

Centre for Fire, Explosive and Environment Safety
2007

Saurashtra University
2004

10.1016/j.ecoenv.2009.05.012 article EN Ecotoxicology and Environmental Safety 2009-06-13

Endoscopic dilatation of corrosive esophageal strictures is effective, but some patients are refractory to it and require long-term repeated dilatations. The present study was carried out analyze whether rigorous schedule endoscopic bougie along with intralesional injection triamcinolone in alone could decrease the number frequency inclusion criterion for this prospective stricture any age group. Refractory benign defined as an anatomic fibrotic restriction inability achieve ≥14 mm or...

10.1111/dote.12438 article EN Diseases of the Esophagus 2015-11-06

The establishments of the Ministry Defence, specifically ordnance factories and public sector undertakings (like Bharat Electronics Ltd), carry out operations like electroplating, metal1 surface finishing, solid-state wafer processing, initiatory manufacturing (lead azide, mercury fulminate), which generate waste water contaminated with hazardous heavy metals. Mercury its compounds are known to be highly toxic, both for living organisms theenvironment. To protect health, a regulatory...

10.14429/dsj.54.2067 article EN Defence Science Journal 2004-10-01

Abstract Compounds of the type [where G = ‒CMe2CMe2‒,‒CH2CMe2CH2, ‒CMe2CMe2‒CH2CMe2,CH2 ‒,‒CH2CH2CHMe‒, and ‒CMe2CH2,CHMe‒] have been synthesized by reactions ammonium salts alkylene dithiophosphates with 2-chloro-1,3,2-dioxarsolanes -arsenanes. The new derivatives are yellow crystalline solids, soluble in common organic solvents, monomeric nature, characterized elemental analyses, molecular weight measurements, IR multinuclear NMR (1H, 13C, 31 P) spectroscopic data.

10.1080/10426509308036888 article EN Phosphorus, sulfur, and silicon and the related elements 1993-07-01

Abstract Dialkyl phosphonates are versatile chemical reagents in which existence of phosphonate and phosphite equilibrium makes them an interesting series ambidentate ligands. The mode bonding their metal organometal derivatives offers possibilities. Phosphorus-31 NMR spectroscopy provides convincing evidence regarding the modes. present review article describes reactions halides with dialkyl (e.g., Li, Na, K, Ag, Ca, Zn, Cd, Co, Ti, Zr, V, Nb, Ta, Ru, Ir, W, Ni, Pd, Pt, B, Al, Si, Ge, Sn,...

10.1080/10426509308034414 article EN Phosphorus, sulfur, and silicon and the related elements 1993-06-01

Abstract Reactions of dialkylphosphonates with 2-chloro-1,3,2-diox-arsolanes and -arsenanes in the presence triethylamine yield 2-dialkylphosphonato-1,3,2-diox-arsolanes -arsenanes, , which are soluble common organic solvents highly susceptible to hydrolysis. The new compounds characterized by elemental analysis, IR, 1H NMR, molecular weight measurements.

10.1080/00945718208082692 article EN Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 1982-01-01

Oilseeds are high in macro and micronutrients, but they also include antinutrients that interact with the available nutrients, rendering them less accessible to body. Sesame is one of most widely consumed oil seeds globally various cuisines. seeds, oil, meal cake other by-products utilized for human animal use. It has reasonable amounts minerals such as calcium, iron, zinc, magnesium, phosphorus, beneficial our health. The have nutraceutical pharmaceutical properties. contains oxalate,...

10.26656/fr.2017.7(6).135 article EN cc-by Food Research 2023-12-31

Abstract The mixed ligand complexes of the type R2′Sn[R″COCHCOR″] [S2P(OR‴)2] and [(R‴O)2S2P] R2′SnOSn R2′ [R″COCHCOR″] have been prepared by reaction diorganotin oxide (R′ = Bu, Ph) or chloride Me) with β-diketones dialkyl (or aryl) dithiophosphoric acids in 1:1:1 2:1:1 molar ratios is refluxing benzene. products formed are monomeric, non volatile, yellow colored viscous liquids sticky solids, soluble common organic solvents exhibit high sensitivity towards atmospheric moisture. These...

10.1080/10426509208049179 article EN Phosphorus, sulfur, and silicon and the related elements 1992-01-01

Abstract O,O'-Dialkyl (or alkylene) dithiophosphates of trimethylaminoborane the types B[S2P(OR)2]3.NMe3 and B[S2POGO]3.NMe3 (where R = Me, Et, Pri, Bui, Ph; G -CMe2CMe2- -CH2CMe2CH2-) have been synthesized as monomeric, white crystalline solids, soluble in common organic solvents are characterized by elemental analyses, molecular weight measurements, IR multinuclear (1H, 11B 31P) NMR spectral studies which consistent with four coordinated boron monodentate behaviour dithiophosphate moiety.

10.1080/10426509408016406 article EN Phosphorus, sulfur, and silicon and the related elements 1994-05-01

Abstract Triphenylantimony reacts with dialkyl (or alkylenyl) dithiophosphoric acids in 1:1 and 1:2 molar ratio to form complexes of the types Ph3-h Sb(S2P(OR)2]n Ph3-n sb[S2 ]n (R = Pr-n, Pr-i, Bu-i; G -CMe2CMe2, -CH2CMe2CH2-, - CMe2CH2CHMe-, n 1,2) by cleavage antimony-carbon bonds. The are colourless powdery solids, soluble common organic solvents, monomeric nature have been characterized various physico-chemical spectroscopic [IR, NMR (1H, 13C, 31P)] techniques.

10.1080/00945719608004349 article EN Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 1996-07-01

Abstract Organic derivatives of the type (where G = [sbnd]CMe2CMe2[sbnd], [sbnd]CH2CMe2CH2[sbnd], [sbnd]CMe2CH2CHMe[sbnd], [sbnd]CH2CH2CHMe[sbnd]; R [sbnd]Me, [sbnd]Ph) have been synthesized by reactions acetyl chloride/benzoyl chloride with O.O′-alkylene dithiophosphoric acids (or ammonium salts), which yields red colored viscous liquids or sticky solids, soluble in common organic solvents. The newly characterized elemental analysis, IR and NMR (1H 31P) spectral studies. In contrast to...

10.1080/10426509408018406 article EN Phosphorus, sulfur, and silicon and the related elements 1994-01-01

Abstract Diorganotin bis-O-alkyl phosphonates, R2Sn[O2P(H)OR′]2 (R = Me, Et; R′ Et, Bu, Ph) have been obtained in quantitative yield by reacting sodium salts of O-alkyl phosphonate with diorganotin dichloride. The derivatives are white colored, hydrolytically stable powdery solids, soluble methanol (when freshly prepared) and characterized various physico-chemical as well spectroscopic IR, NMR (1H, 31P 119Sn) studies which consistent 6-coordinated tin atom.

10.1080/10426509608046361 article EN Phosphorus, sulfur, and silicon and the related elements 1996-05-01

Background: Sesame (Sesamum indicum L.) is one of the oldest oilseed crops grown worldwide. It rich in protein and micronutrients. cultivated used different culinary preparations globally various forms. Methods: In present study, defatting mechanically dehulled white sesame seeds using an oil press machine at 200°C was done (local cultivar). This procedure could extract 50-60% from seeds, therefore, it has been referred as partially defatted flakes or powder. The by-product, i.e., flakes,...

10.18805/ag.d-5825 article EN Agricultural Science Digest - A Research Journal 2024-08-06

A geographic and taxonomic overview of the non-indigenous plant species Barda Hills its surroundings based on “Flora Saurashtra” has been presented. The flora accounts for 999 which 192 have expanded their range within Saurashtra under human influence either as naturalized Indian or are non-Indian origin (exotic species) consisting 154 (80.20%) in 54 families forming a diverse group terms composition origin. Of Asteraceae, Leguminosae (Caesalpiniaceae, Mimosaceae) Poaceae most important....

10.54207/bsmps1000-2004-9y4v8r article EN Indian Journal of Forestry 2004-03-01

Abstract The reaction of triorganotin chlorides with sodium dialkyl thiophosphites proceeds to completion on refluxing the reactants in a 1:1 molar ratio for about ten hours. Similar reactions chloride thiophosphonate do not give comparable yields presence triethylamine. products formed are colorless volatile liquids having pungent odour, miscible common organic solvents and found be monomeric. Exposure these compounds atmospheric oxygen thiophosphite [Sn-S-P] linkage was oxidized...

10.1080/03086648808072912 article EN Phosphorous and Sulfur and the Related Elements 1988-12-01

Phenylarsenic(III) Dimethoxide reacts with N-/S- alkyl of 2-aminocyclopentene 1- carbodithioic acid and its nitrogen-/sulfur-alkyl derivatives in 1:2 1:1 molar ratio yields some new complexes addition the type: where R′ = ─H,─CH 3 ,─C 2 H 5 4 9 R ─CH CH N(C ). Reactants were mixed ratios resulting mixture was refluxed for to 6 h ensure completion reaction. Sodium chloride precipitated filtered off. Yellow dark brown colored solids isolated; these found be soluble common organic solvents...

10.1080/10426500701521647 article EN Phosphorus, sulfur, and silicon and the related elements 2007-10-18

Background: Ajwain is used as an antioxidant, preservative and also valued for its medicinal properties. seeds undergo deterioration during storage due to various microorganisms leads degradation of quality in terms discolorations altering the biochemical constituents. Hence, effect different types conditions on ajwain was investigated. Methods: To assess four containers viz. Plastic jars (PJ) make Pearl Pet, tin (TC), gunny bags (GB) plastic lined (PLBG) were used. The duration one year....

10.18805/ijare.a-5487 article EN Indian Journal of Agricultural Research 2020-07-24

Abstract Dialkylphosphonates1 and -thiophosphonates2 are versatile ligands but except for a few brief reports3–9 the chemistry of their derivatives with group IV V elements remains unexplored. The corresponding cyclic phosphonates thiophos-phonates10 virtually unknown.

10.1080/03086648308075988 article EN Phosphorous and Sulfur and the Related Elements 1983-12-01

Abstract Concrete is the most essential and demanding construction material that mainly used to develop structural nonstructural elements. Along with better engineering properties, concrete has its drawbacks like presence of pores micro cracks, this affects properties permeability water absorption which tend reduce durability strength. Carbon black dust (CBD) one industrial byproducts can be effectively as an additive in concrete. It a necessity for us environmental pollution arising due...

10.21307/acee-2022-006 article EN cc-by-nc-nd Deleted Journal 2022-03-01

Abstract 2-(β-diketonato -4H- 1,3,2b enzodioxaborin, , (R = R′ Me, Ph), 2-(N-alkyIsalicylaldimino)-4H-1,3,2,-benzodioxaborin, Et, n-Pr, n-Bu, Ph) and 2-(4-alkylamino-3-pentene-2-on)-4H-1,3,2,-benzodioxaborin, CH2Ph, obtained by the reactions of 2-isopropoxy-4H-1,3,2-benzodioxaborin with B-diketonates, N-alkylsalicylaldimines 4-alkyiamino-3-pentene-2-ones, respectively, are white or yellow colored monomeric solids. These compounds have been characterized elemental analyses, molecular weight...

10.1080/15533179308016709 article EN Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 1993-10-01
Coming Soon ...