Synthesis of aryl(difluoromethylenephosphonates) via electrophilic fluorination of α-carbanions of benzylic phosphonates with N- fluorobenzenesulfonimide.

Tetrahedron

Volumn 54, Issue 9, 1998, Pages 1691-1714

  Taylor, Scott D ^a   Kotoris, Christopher C ^a   Dinaut, A Nicole ^a   Chen, Mei Jin ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

PHOSPHONIC ACID DERIVATIVE;

ARTICLE; CHEMICAL REACTION; FLUORINATION; PRIORITY JOURNAL; SYNTHESIS;

EID: 0032567871     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4020(97)10395-7     Document Type: Article

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38. 31P NMR's to those that we obtained for 34 itself and found that our sample of 34 did not contain any methyl ester or any other contaminant. These results indicate that 34 undergoes a methyl transfer reaction (probably an intermolecular methyl transfer from the phosphate methyl ester to the carbon acid) in the mass spectrometer itself.