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Volumn 37, Issue 27, 1996, Pages 4707-4710

Efficient interconversion of α,α-difluoromethylenephosphonates and α,α-difluoromethylenephosphonothioates

Author keywords

[No Author keywords available]

Indexed keywords

ALPHA,ALPHA DIFLUOROMETHYLENE PHOSPHONOTHIOIC ACID DERIVATIVE; PHOSPHONIC ACID DERIVATIVE; UNCLASSIFIED DRUG;

EID: 0030199620     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)00912-4     Document Type: Article
Times cited : (41)

References (43)
  • 19
    • 0000235256 scopus 로고
    • 5. Lawesson's reagent has been reported to convert phosphonothioaies and phosphorothioates into the corresponding phosphonates and phosphates, respectively; see Horner, L.; Lindel, H. Phosphorus and Sulfur 1982, 12, 259-261.
    • (1982) Phosphorus and Sulfur , vol.12 , pp. 259-261
    • Horner, L.1    Lindel, H.2
  • 20
    • 85030201625 scopus 로고    scopus 로고
    • note
    • C-F=278.7 Hz), 125.91, 127.42, 128.27, 133.11, 135.87, 163.75, 186.1 ppm (m, C=O).
  • 21
    • 85030205281 scopus 로고    scopus 로고
    • note
    • 31P-NMR and mass spectra) are in accordance with the structure depicted in the paper.
  • 22
    • 0011968293 scopus 로고
    • 4 followed by meta-chloroperbenzoic acid, ozone-methanol-0°C, ozone-trifluoroethanol-0°C or -40°C, ozone-triphenylphosphite at -78°C and room temperature; see: a) Mikolajczyk, M.; Luczak, J. Chem. & Ind. 1974, 701-702.
    • (1974) Chem. & Ind. , pp. 701-702
    • Mikolajczyk, M.1    Luczak, J.2
  • 27
  • 30
    • 85030202821 scopus 로고    scopus 로고
    • note
    • 2 group.
  • 39
    • 85030207535 scopus 로고    scopus 로고
    • note
    • 3P=S).
  • 40
    • 85030203041 scopus 로고    scopus 로고
    • note
    • 15. The analysis was carried out by mineralisation of the sulfur with hydrogen peroxide in the presence of UV radiations and subsequent quantification as sulfate anion.
  • 41
    • 85030199890 scopus 로고    scopus 로고
    • note
    • 16. For convenience, these intermediates have been collectively referred to as " phosphorous oxythionate"; see reference 8b for a discussion on this subject.
  • 42
    • 85030201850 scopus 로고    scopus 로고
    • note
    • 17. Work carried out in this laboratory has shown the lithium salt of dibenzyl 1,1-difluoromethylphosphonate to be too unstable to be alkylated in a synthetically useful manner; Halazy, S., private communication.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.