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Volumn 13, Issue 7, 2011, Pages 1746-1749

A new synthesis of pyrazoles through a Lewis acid catalyzed union of 3-ethoxycyclobutanones with monosubstituted hydrazines

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOBUTANE DERIVATIVE; HYDRAZINE DERIVATIVE; LEWIS ACID; PYRAZOLE DERIVATIVE;

EID: 79953196169     PISSN: 15237060     EISSN: 15237052     Source Type: Journal    
DOI: 10.1021/ol2002682     Document Type: Article
Times cited : (61)

References (55)
  • 18
    • 77951600851 scopus 로고    scopus 로고
    • Recent examples about synthesis of pyrazole
    • Recent examples about synthesis of pyrazole: Mohanan, K.; Martin, A. R. Angew. Chem., Int. Ed. 2010, 49, 3196-3199
    • (2010) Angew. Chem., Int. Ed. , vol.49 , pp. 3196-3199
    • Mohanan, K.1    Martin, A.R.2
  • 26
    • 41849118342 scopus 로고
    • Knorr, L. Ber. 1883, 16, 2587
    • (1883) Ber. , vol.16 , pp. 2587
    • Knorr, L.1
  • 52
    • 72649103798 scopus 로고    scopus 로고
    • For examples about the formation of zwitterionic intermediates from cyclobutane derivatives
    • For examples about the formation of zwitterionic intermediates from cyclobutane derivatives: Allart, E. A.; Christie, S. D. R.; Pritchard, G. J.; Elsegood, M. R. J. Chem. Commun. 2009, 7339
    • (2009) Chem. Commun. , pp. 7339
    • Allart, E.A.1    Christie, S.D.R.2    Pritchard, G.J.3    Elsegood, M.R.J.4
  • 54
    • 79953226161 scopus 로고    scopus 로고
    • 2 was also tried with different Lewis acid catalysts. Only a trace amount of possible product was observed by LC-MS analysis.
    • 2 was also tried with different Lewis acid catalysts. Only a trace amount of possible product was observed by LC-MS analysis.
  • 55
    • 79953202771 scopus 로고    scopus 로고
    • Although NMR analysis of crude products did not reveal the presence of the other regioisomers, theoretically the reaction could be regioselective.
    • Although NMR analysis of crude products did not reveal the presence of the other regioisomers, theoretically the reaction could be regioselective.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.