1,3,5-Triaryl-?2-pyrazolines with a nitro or amino group in the N-phenyl ring

Orlov, V. D.; Roberman, A. I.; Rybachenko, A. I.; Lavrushin, V. F.

doi:10.1007/bf00475954

Chem Heterocycl Compd

1977

DOI: 10.1007/bf00475954

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1,3,5-Triaryl-?2-pyrazolines with a nitro or amino group in the N-phenyl ring

V. D. Orlov

A. I. Roberman

A. I. Rybachenko

et al.

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1985

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“…The direction of azo coupling in the para position of the N-phenyl series of pyrazolines has been demonstrated experimentally: compounds Ic, IIIc, and Vc are reduced to the previously described l-(4-aminophenyl)-3-R-5-phenyl-2-pyrazolines [6].…”

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confidence: 75%

Electrophilic substitution in N-aryl-2-pyrazolines. 4. Azo coupling reactions

Orlov¹,

Aziz²,

Mchedlov‐Petrosyan³

et al. 1985

Chem Heterocycl Compd

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confidence: 75%

Electrophilic substitution in N-aryl-2-pyrazolines. 4. Azo coupling reactions

Orlov¹,

Aziz²,

Mchedlov‐Petrosyan³

et al. 1985

Chem Heterocycl Compd

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Synthesis and study of cholosubstituted 4-aroyl pyrazolines and isoxazolines and their effects on inorganic ions in blood serum in albino rats

Bhoyar¹,

Vankhade

Rajput³

1970

Nusantara Biosci

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Abstract. Bhoyar AD, Vankhade GN, Rajput PR. 2011. Synthesis and study of cholosubstituted 4-aroyl pyrazolines and isoxazolines and their effects on inorganic ions in blood serum in albino rats. Nusantara Bioscience 3: 118-123. Condensation of 2-substituted 3,5-dichloroacetophenone (2a-b) obtained from the condensation of 2-hydroxy 3,5-dichloro-acetophenone (1) and benzoyl chloride were dissolved in NaOH, on treatment under Baker-Venkatraman transformation in presence of KOH with pyridine gives 1-(2-hydroxy-3,5-dichlorophenyl)-3-substituted-1,3-propanediones (3a-b). Then converted into 3-aroyl-6,8-dichloroflavanones (4a-d) by using different aromatic aldehyde in ethanol containing little piperidine. The condensation of (4a-d) and phenylhydrazine hydrochloride, piperidine in DMF gives 3-(2-hydroxy3,5-dichlorophenyl)-4-substitution-1-phenyl-D2pyrazolines (5a-d) and condensation of (4a-d) and hydroxylamine-hydrochloride gives 3-(2-hydroxy-3,5-dichlorophenyl)-4-aroyl-5-substituted isoxazolines (6a-d). The above compounds are screened for their activities and have been found to exhibit significant effects on inorganic ions in blood serum in albino rats.

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1,3,5-Triaryl-?2-pyrazolines with a nitro or amino group in the N-phenyl ring

Cited by 2 publications

References 2 publications

Electrophilic substitution in N-aryl-2-pyrazolines. 4. Azo coupling reactions

Electrophilic substitution in N-aryl-2-pyrazolines. 4. Azo coupling reactions

Synthesis and study of cholosubstituted 4-aroyl pyrazolines and isoxazolines and their effects on inorganic ions in blood serum in albino rats

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