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Volumn , Issue 26, 2008, Pages 4500-4510

Allenylphosphonates useful precursors of pyrazoles and 1,2,3-triazoles

Author keywords

Allenes; Heterocycles; Phosphonates; Pyrazoles; Triazoles

Indexed keywords


EID: 53849083120     PISSN: 1434193X     EISSN: 10990690     Source Type: Journal    
DOI: 10.1002/ejoc.200800490     Document Type: Article
Times cited : (57)

References (96)
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    • 2O)P(O)OH [δ(P) = -4.3 ppm] was characterized as its monohydrate (orthorhombic space group, which is different to that reported in the literature). Details are available from the authors.
    • 2O)P(O)OH [δ(P) = -4.3 ppm] was characterized as its monohydrate (orthorhombic space group, which is different to that reported in the literature). Details are available from the authors.
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    • In addition to these compounds, we also isolated 10-15% of Ph 3P=NCO2R {R, Et [δ, 21.2 ppm] and iPr [δP, 21.2 ppm] from the corresponding reactions with DEAD/DIAD. The compound with R, iPr was isolated and characterized by X-ray crystallography. Details are available with the authors. This compound was obtained previously by a different route, see: S. Bittner, Y. Assaf, P. Krief, M. Pomerantz, B. T. Ziemnicka, C. G. Smith, J. Org. Chem. 1985, 50, 1712-1718, Chemical Equation Presented
    • 2R {R = Et [δ = 21.2 ppm] and iPr [δ(P) = 21.2 ppm] from the corresponding reactions with DEAD/DIAD. The compound with R = iPr was isolated and characterized by X-ray crystallography. Details are available with the authors. This compound was obtained previously by a different route, see: S. Bittner, Y. Assaf, P. Krief, M. Pomerantz, B. T. Ziemnicka, C. G. Smith, J. Org. Chem. 1985, 50, 1712-1718. (Chemical Equation Presented)
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    • 2CN [δ(P) = 21.2 ppm; X-ray evidence] in ca. 15% yield. As such compounds are known in the literature, we did not proceed further.
    • 2CN [δ(P) = 21.2 ppm; X-ray evidence] in ca. 15% yield. As such compounds are known in the literature, we did not proceed further.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.