Dibenzyl Phosphite
Structural Formula Vector Image
Title: Dibenzyl Phosphite
CAS Registry Number: 17176-77-1
CAS Name: Phosphonic acid bis(phenylmethyl) ester
Additional Names: dibenzyl hydrogen phosphite; benzyl phosphite
Molecular Formula: C14H15O3P
Molecular Weight: 262.24
Percent Composition: C 64.12%, H 5.77%, O 18.30%, P 11.81%
Line Formula: (HO)P(OCH2C6H5)2
Literature References: Prepd by adding dropwise a mixture of dimethylaniline and benzyl alc to a soln of phosphorus trichloride in benzene: Atherton et al., J. Chem. Soc. 1945, 382; US 2490573 (1949 to Hoffmann-La Roche).
Properties: Liquid. mp 0 to 5°. bp0.1 160-164°; (decompn); bp0.01 110-120°; also reported as bp0.001 120-130°. nD18 1.5521.
Melting point: mp 0 to 5°
Boiling point: bp0.1 160-164°; bp0.01 110-120°; bp0.001 120-130°
Index of refraction: nD18 1.5521
Use: In preparation of N-phosphorylated amines.

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