ChemicalBook--->CAS DataBase List--->27491-70-9

27491-70-9

27491-70-9 Structure

27491-70-9 Structure
IdentificationBack Directory
[Name]

Nsc294729
[CAS]

27491-70-9
[Synonyms]

Nsc294729
Seyferth-Gilbert Reagent
DiMethylphosphonodiazoMethane
Dimethyl Diazomethylphosphonate
P-(DiazoMethyl)phosphonic Acid DiMethyl Ester
Phosphonic acid,P-(diazomethyl)-, dimethyl ester
[Molecular Formula]

C3H7N2O3P
[MOL File]

27491-70-9.mol
[Molecular Weight]

150.073
Chemical PropertiesBack Directory
[Boiling point ]

bp0.42 59°
[refractive index ]

nD25 1.4585
[storage temp. ]

-20°C Freezer, Under Inert Atmosphere
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Oil
[color ]

Light Yellow to Very Dark Yellow
[Stability:]

Moisture Sensitive
Hazard InformationBack Directory
[Chemical Properties]

Yellow Oil
[Uses]

Reagent for one-carbon homologation of aldehydes and ketones to alkynes.
[Uses]

Seyferth-Gilbert Reagent
[Preparation]

Nsc294729 has been prepared by the method of Seyferth, a convenient three-step sequence beginning with commercially available N-(bromomethyl)phthalimide.
[storage]

Nsc294729 is stable indefinitely when stored at 4 °C under argon. Caution: All distillations should be carried out behind a blast shield.
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