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CAS No 27491-70-9 , Phosphonic acid,P-(diazomethyl)-, dimethyl ester

  • Name: Phosphonic acid,P-(diazomethyl)-, dimethyl ester
  • Synonyms: Phosphonic acid,P-(diazomethyl)-, dimethyl ester; Seyferth-Gilbert reagent; Dimethyl(diazomethyl)phosphonate; NSC 294729;Phosphonicacid, (diazomethyl)-, dimethyl ester (8CI,9CI); Reagents, Seyferth-Gilbert; Methyl diazomethylphosphonate; Dimethylphosphonodiazomethane;
  • CAS Registry Number:
  • Molecular Weight: 151.0804
  • InChI: InChI=1/C3H8N2O3P/c1-7-9(6,8-2)3-5-4/h3-4H,1-2H3/q+1
  • Molecular Formula: C3H7 N2 O3 P
  • Molecular Structure:CAS No:27491-70-9 Phosphonic acid,P-(diazomethyl)-, dimethyl ester

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27491-70-9 Diazomethylphoshonic acid dimethyl ester

  • Diazomethylphoshonic acid dimethyl ester
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27491-70-9 DIMETHYL DIAZOMETHYLPHOSPHONATE

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References of Phosphonic acid,P-(diazomethyl)-, dimethyl ester
Title: Seyferth-Gilbert Reagent
CAS Registry Number: 27491-70-9
CAS Name: (Diazomethyl)phosphonic acid dimethyl ester
Synonyms: dimethyl diazomethylphosphonate
Molecular Formula: C3H7N2O3P
Molecular Weight: 150.07
Percent Composition: C 24.01%, H 4.70%, N 18.67%, O 31.98%, P 20.64%
Literature References: Divalent carbon transfer reagent. Prepn: D. Seyferth, R. S. Marmor, Tetrahedron Lett. 11, 2493 (1970); and applications in organophosphorus syntheses: D. Seyferth et al., J. Org. Chem. 36, 1379 (1971). Reactions with aldehydes and aryl ketones to form alkynes: J. C. Gilbert, U. Weerasooriya, ibid. 47, 1837 (1982). Improved prepn: D. G. Brown et al., ibid. 61, 2540 (1996).
Properties: Distillable yellow liquid, bp0.42 59°. nD25 1.4585.
Boiling point: bp0.42 59°
Index of refraction: nD25 1.4585
Use: Reagent for one-carbon homologation of aldehydes and ketones to alkynes.