Facile and highly regiospecific synthesis of 2-aryl-substituted pyrazolidin-3-ones from α,β-unsaturated N-acylbenzotriazoles and arylhydrazines

Synthesis

Volumn , Issue 20, 2008, Pages 3223-3228

  Wang, Xiaoxia ^a   Wang, Wencun ^a   Wen, Yihang ^a   He, Liang ^a   Zhu, Xiangming ^b  

^a ZHEJIANG NORMAL UNIVERSITY   (China)

^b UNIVERSITY COLLEGE DUBLIN   (Ireland)

Author keywords

, Unsaturated N acylbenzotriazole; Arylhydrazine; Bis addition; Pyrazolidinone; Regioselectivity

Indexed keywords

KETONES;

ACYLBENZOTRIAZOLES; ARYLHYDRAZINE; ARYLHYDRAZINES; AS PROMOTERS; BIS-ADDITION; GOOD YIELDS; HETEROCYCLIC COMPOUNDS; PYRAZOLIDINONE; REFLUXING; REGIOSELECTIVE; REGIOSPECIFIC SYNTHESIS; TRIETHYLAMINE;

UNSATURATED COMPOUNDS;

2 (4 BROMOPHENYL) 5 4 TOLYLPYRAZOLIDIN 3 ONE; 2 (4 BROMOPHENYL) 5 METHYLPYRAZOLIDIN 3 ONE; 2 (4 BROMOPHENYL) 5 PHENYLPYRAZOLIDIN 3 ONE; 2 (4 CHLOROPENYL) 5 METHYLPYRAZOLIDIN 3 ONE; 2 (4 CHLOROPHENYL) 5 4 TOLYLPYRAZOLIDIN 3 ONE; 2 (4 CHLOROPHENYL) 5 PHENYLPYRAZOLIDIN 3 ONE; 2 (4 CHLOROPHENYL0 5 (4 METHOXYPHENYL)PYRAZOLIDIN 3 ONE; 2 PHENYL 5 4 TOLYLPYRAZOLIDIN 3 ONE; 2,5 DI(4 TOLYL)PYRAZOLIDIN 3 ONE; 2,5 DIPHENYLPYRAZOLIDIN 3 ONE; 5 (4 CHLOROPHENYL) 2 4 TOLYLPYRAZOLIDIN 3 ONE; 5 (4 CHLOROPHENYL) 2 PHENYLPYRAZOLIDIN 3 ONE; 5 (4 METHOXYPHENYL) 2 PHENYLPYRAZOLIDIN 3 ONE; 5 (4 METHOXYPHENYL0 2 4 TOLYLPYRAZOLIDIN 3 ONE; 5 (FURAN 2 YL) 2 PHENYLPYRAZOLIDIN 3 ONE; 5 METHYL 2 4 TOLYLPYRAZOLIDIN 3 ONE; 5 METHYL 2 PHENYLPYRAZOLIDIN 3 ONE; 5 PHENYL 2 4 TOLYLPYRAZOLIDIN 3 ONE; HYDRAZINE DERIVATIVE; KETONE DERIVATIVE; TRIAZOLE DERIVATIVE; UNCLASSIFIED DRUG;

ADDITION REACTION; ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL REACTION; CHEMICAL STRUCTURE; PROTON NUCLEAR MAGNETIC RESONANCE; SYNTHESIS;

EID: 55349116425     PISSN: 00397881     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-0028-1083159     Document Type: Article

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