phenylhydrazine

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Related to Phenyl hydrazine: Phenylhydrazone, Phenylhydrazine hydrochloride

phenylhydrazine

[¦fen·əl′hī·drə‚zēn]

(organic chemistry)

C₆H₅NHNH₂ Poisonous, oily liquid, boiling at 244°C; soluble in alcohol, ether, chloroform, and benzene, slightly soluble in water; used in analytical chemistry to detect sugars and aldehydes, and as a chemical intermediate. Also known as hydrazinobenzene.

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A variety of 2,4-dinitro phenylhydrazone derivatives 1-32 were synthesized from commercially available 2,4-dinitro phenyl hydrazine by refluxing with different aromatic aldehydes in methanol (Scheme-1) in the presence of catalytic amount of glacial acetic acid.

Synthesis, Structural Characterization, and Antioxidant Activities of 2,4-Dinitrophenyl-Hydrazone Derivatives

A mixture of the appropriate sulfone 3 (1 mmol) and hydrazine hydrate or phenyl hydrazine (1 mmol) in ethanol (25 mL), acetic acid (0.5 mL) was added.

Microwave-assisted synthesis and characterization of certain oximes, hydrazones, and olefins derived from [beta]-keto sulfones

A mixture of compound 5a (0.01 mol), phenyl hydrazine (0.01 mol) in absolute methanol (30 mL) was added few drops of glacial acetic acid and refluxed for 8-10 h.

Synthesis, antibacterial and antifungal activity of pyrazolyl-quinazolin-4(3H)-one derivatives

Preparing 3- methyl - 1- phenyl - 2pyrazolin- 5- one (1) In a round-bottom balloon, the mixture of 14.7 grams (0.113 mol) ethyl aceto acetate and 10.95 grams (0.101 mol) phenyl hydrazine was heated for 2 hours on a steam bath.

One Pot Synthesis Of 3-Methyl-1-Phenyl-4-(3'-Methyl-1-Phenyl-4', 5'-Dihydro-5'- Oxopyrazol-4'-yl- Pyrazolo [5, 4- d]-4H-1-Benzopyran Derivatives

A solution of maleic anhydride (19.62 g, 0.2 mol.) in DMF was gradually added over a period of 10 minute to a well stirred solution of 4-nitro phenyl hydrazine (30.6 g, 0.2 mol.) in DMF.

Free radical polymerization and copolymerization of N-[(4-nitro phenyl) amino] maleimide with methyl methacrylate

Ethyl benzoylacetate was reacted with phenyl hydrazine to give pyrazolone 1 [22].

Enaminone in Heterocyclic Synthesis: Synthesis of New Pyrazolopyrazole Pyrazolothienooxazine and Pyrazolothienopyridine Derivatives

Osazone formation is the direct reaction of any of these carbohydrates (glucose, fructose and mannose) with phenyl hydrazine which resulted in the formation of crystalline colored compounds which was applied for the qualitative analysis of these compounds.

Investigation of a New Spectrophotometric Method for the Analysis of Carbohydrates using glucose as model