• No results found

glacial acetic acid

Evaluation of Physicochemical Properties of Glacial Acetic Acid Mediated Solvent Free One Pot Synthesis of 1, 5 Benzodiazepines and Its Chloroacetylated Derivatives

Evaluation of Physicochemical Properties of Glacial Acetic Acid Mediated Solvent Free One Pot Synthesis of 1, 5 Benzodiazepines and Its Chloroacetylated Derivatives

... malonic acid, trichloroacetic acid, formic acid, succinic acid and others have been used to catalyze the synthesis of ...acids glacial acetic acid is the most effective ...

5

Investigations of the pore formation in the lead selenide films using glacial acetic acid  and nitric acid based electrolyte

Investigations of the pore formation in the lead selenide films using glacial acetic acid and nitric acid based electrolyte

... nitric acid, glacial acetic acid, and glycerol (Tompkins and Johnson ...nitric acid is the etching agent and acetic acid is the wetting agent that stabilizes the material ...

5

NEW METHOD DEVELOPMENT FOR EXTRACTION AND ISOLATION OF PIPERINE FROM BLACK PEPPER

NEW METHOD DEVELOPMENT FOR EXTRACTION AND ISOLATION OF PIPERINE FROM BLACK PEPPER

... dichloromethane, glacial acetic acid which gave piperine yield ...with glacial acetic acid produced clear needle shaped piperine crystals ...with glacial acetic ...

6

A New Method for the Determination of Dithiocarbamate Fungicides Using N-Bromosuccinimide Reagent

A New Method for the Determination of Dithiocarbamate Fungicides Using N-Bromosuccinimide Reagent

... The reaction conditions were established after studying the effect of variables such as reaction time, concentration and amount of NBS reagent, hydrochloric acid, glacial acetic acid and ...

6

Electrochemical Behavior of Butylated Hydroxyanisole and Butylated Hydroxytoluene in Acetic Acid Solutions and their Voltammetric Determination in Pharmaceutical Preparations

Electrochemical Behavior of Butylated Hydroxyanisole and Butylated Hydroxytoluene in Acetic Acid Solutions and their Voltammetric Determination in Pharmaceutical Preparations

... Electrochemical behavior of butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) was investigated by cyclic (CV), linear sweep (LSV) and differential pulse voltammetry (DPV) in glacial acetic ...

16

Anti Inflammatory Activity of Some New Thio-Ether Derivatives of Quinoxaline

Anti Inflammatory Activity of Some New Thio-Ether Derivatives of Quinoxaline

... in glacial acetic acid with chloroacetylchloride, warming on the water bath for half an hour and then precipitating, 2-chloro-N-substituted acetamides by addition of saturated aqueous solution of ...

8

Synthesis and Potent Antioxidant Activity of Benzene-1, 3, 5-Tricarboxylic Acid Derived Schiff Base Analogues

Synthesis and Potent Antioxidant Activity of Benzene-1, 3, 5-Tricarboxylic Acid Derived Schiff Base Analogues

... General procedure for the synthesis of Schiff’s bases (4-15): An equimolar amount of 3 (1 mmol) was dissolved separately in ethanol (10 mL/g of compound) and treated with appropriate aldehydes (3 mmol/ 2 mmol) in the ...

9

Synthesis and Characterization of New Imines-Imides Functionalized Compounds Derived from Trimethoprim moiety Supplemented with Aminothiazole

Synthesis and Characterization of New Imines-Imides Functionalized Compounds Derived from Trimethoprim moiety Supplemented with Aminothiazole

... A mixture of (0.01 mol, 3.88-4.83 gm) of amic acids in 20 ml, acetic anhydride and (0.01mol, 0.82 gm) of anhydrous sodium acetate was refluxed for three hours with stirring [28, 29]. The resulted homogenous ...

11

Synthesis and Characterization of New Schiff bases Derivatives of Acetohydrazide and its Cyclization Reaction

Synthesis and Characterization of New Schiff bases Derivatives of Acetohydrazide and its Cyclization Reaction

... using glacial acetic acid as catalyst to synthesis of some new Schiff bases derivatives that coupled with thioglycolic acid to synthesis five- member ring heterocyclic compounds derivatives ...

11

Efficient solvent free microwave assisted organic synthesis of 1 {2,4 dihydroxy 5 [3 imidazol 1 yl 3 aryl propionyl]} 3 aryl propenone and their
antibacterial activity

Efficient solvent free microwave assisted organic synthesis of 1 {2,4 dihydroxy 5 [3 imidazol 1 yl 3 aryl propionyl]} 3 aryl propenone and their antibacterial activity

... of glacial acetic acid (catalytic amount) was taken in a quartz tube and inserted into teflon vial with screw capped and then subjected to microwave irradiation in the Milestone MultiSYNTH microwave ...

6

Extraction, Phytochemical Screening and Quantitative Determination of Phenols and Flavonoids in Extract of Kalanchoe pinnata and Pongamia pinnata

Extraction, Phytochemical Screening and Quantitative Determination of Phenols and Flavonoids in Extract of Kalanchoe pinnata and Pongamia pinnata

... boiled, glacial acetic acid was added and cooled than added 1 ml of lead acetate solution, gray black precipitate was formed which indicated presence of sulphur containing amino ...

5

NOVEL 2 – AMINO – N’ – (2 OXOINDOLIN – 3 – YLIDENE) BENZO [d] OXAZOL – 5  CARBOHYDRAZIDES AS ANTI INFLAMMATORY AGENTS

NOVEL 2 – AMINO – N’ – (2 OXOINDOLIN – 3 – YLIDENE) BENZO [d] OXAZOL – 5 CARBOHYDRAZIDES AS ANTI INFLAMMATORY AGENTS

... in glacial acetic acid: acetic anhydride (1:1, v/v) mixture (160 ml) 40 g of Methyl-4- hydroxybenzoate (1) was added in small portions, while heating gently; cooling and shaking ...

7

2 {3 [2 (1H Indol 3 yl)­vinyl] 5,5 di­methyl­cyclo­hex 2 enyl­­idene}malono­nitrile

2 {3 [2 (1H Indol 3 yl)­vinyl] 5,5 di­methyl­cyclo­hex 2 enyl­­idene}malono­nitrile

... from glacial acetic acid and from dry toluene ...a glacial acetic acid solution by slow evaporation at room temperature over a period of several ...

8

B. Durga Prasad*,B. Chandra Kanth, D. Prabhakar, K. Praveen Kumar and V. Girija Sastry

B. Durga Prasad*,B. Chandra Kanth, D. Prabhakar, K. Praveen Kumar and V. Girija Sastry

... with glacial acetic acid Synthesis of carbamimidoyl - 3 – (2-oxo-indalin-3 – yl- indene amino) benzene sulphonamide (a-h) In the last step, which on mannich reaction with piperidine and formaldehyde ...

6

THE EFFECT OF PIPER SARMENTOSUM AQUEOUS EXTRACT ON BUCCAL ULCER HEALING

THE EFFECT OF PIPER SARMENTOSUM AQUEOUS EXTRACT ON BUCCAL ULCER HEALING

... Oral ulcer is a lesion with multifactorial causes and occurs worldwide. The lesion usually resolved within 14 days, but the pain may have an impact on the quality of patient’s life. Therefore, having a natural derived ...

7

Assessment of Mechanical Properties of Ni-coated ABS Plastics using FDM Process

Assessment of Mechanical Properties of Ni-coated ABS Plastics using FDM Process

... The acetic acid immersion test is used to estimate the residual stresses in injection molded and extruded plastic parts by immersing plastics in glacial acetic ...in glacial ...

6

SYNTHESIS, STRUCTURE, PROPERTIES AND APPLICATIONS OF BARIUM TITANATE NANOPARTICLES

SYNTHESIS, STRUCTURE, PROPERTIES AND APPLICATIONS OF BARIUM TITANATE NANOPARTICLES

... stearic acid gel and acetic acid ...and glacial acetic acid were starting ...of glacial acetic acid was added and stirred to form a titanyl acylate ...of ...

10

Anti-inflammatory Activities of Novel Derivatives of Hydrazide- Hydrazones

Anti-inflammatory Activities of Novel Derivatives of Hydrazide- Hydrazones

... A mixture of (0.2 M) biphenyl-4-carboxylic acid methyl ester and excess of hydrazine hydrate (0.30 M) ethanol (250 ml) was refluxed for about 3 hrs and cooled. The solid was separated by filtration and ...

5

Synthesis, Spectral Evaluation and Potential Antimicrobial Screening of some Substituted Thiosemicarbazides and Substituted Thiosemicarbazones Under Microwave Irradiation and Classical Heating

Synthesis, Spectral Evaluation and Potential Antimicrobial Screening of some Substituted Thiosemicarbazides and Substituted Thiosemicarbazones Under Microwave Irradiation and Classical Heating

... anilic acid hydrazides (1a,1b) with substituted phenyl isothiocyanate in alcoholic medium and the substituted thiosemicarbazon- es have also been obtained by these two different techniques, derived from ...

6

Synthesis of pharmacologically active 2- phenyl sulpha/substituted Indoles

Synthesis of pharmacologically active 2- phenyl sulpha/substituted Indoles

... All the substituted phenyl amine, α-halo acyl benzene, indole derivatives, and reference compound were purchased from Aldrich Chemicals. ethanol, glacial acetic acid and all reagents were used of S. ...

5

Show all 10000 documents...

Related subjects