Hypervalent iodine in synthesis: A novel two-step procedure for the synthesis of new derivatives of 1H-imidazo[1,2-b]-pyrazole by the cyclocondensation between 5-amino-4-cyano-3-phenyl-1H-pyrazole and α-tosyloxyacetophenones or α-haloacetophenones

Synthetic Communications

Volumn 35, Issue 4, 2005, Pages 493-501

  Ming, Li ^a,b   Guilong, Zhao ^a   Lirong, Wen ^a   Huazheng, Yang ^b  

^a QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

^b NANKAI UNIVERSITY   (China)

Author keywords

1H imidazo 1,2 b pyrazole; hydroxy(tosyloxy)iodo benzene (HTIB); Cyclocondensation; Synthesis

Indexed keywords

1H IMIDAZO[1,2 B]PYRAZOLE; 5 AMINO 4 CYANO 3 PHENYL 1H PYRAZOLE; [HYDROXY(TOSYLOXY)IODO]BENZENE; ACETOPHENONE DERIVATIVE; ALPHA HALOACETOPHENONE; ALPHA TOSYLOXYACETOPHENONE; BENZENE DERIVATIVE; IODINE; PHENACYL BROMIDE; PYRAZOLE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; DRUG ISOLATION; DRUG STRUCTURE; DRUG SYNTHESIS; ENVIRONMENTAL IMPACT; INFRARED SPECTROSCOPY; POLYMERIZATION; PROTON NUCLEAR MAGNETIC RESONANCE; REACTION ANALYSIS; REACTION TIME; STRUCTURE ANALYSIS;

EID: 14944376585     PISSN: 00397911     EISSN: None     Source Type: Journal    
DOI: 10.1081/SCC-200049761     Document Type: Article

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