Bisphosphonic Compounds. Part 3. Preparation and Identification of Tetraalkyl Methylene- and (α-Halomethylene)bisphosphonates by Mass Spectrometry, NMR Spectroscopy and X-Ray Crystallography

DOI: 10.1039/P29920000835

Source and publish data:

Journal of the Chemical Society. Perkin transactions II p. 835 - 842 (1992)

Update date:2022-08-11

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Authors:

Vepsaelaeinen, Jouko

Nupponen, Heikki

Pohjala, Esko

Ahlgren, Markku

Vainiotalo, Pirjo

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Article abstract of DOI:10.1039/P29920000835

The preparation and identification of tetraalkyl methylenebisphosphonates (XYC2; X = Y = H, Cl or Br and R = alkyl) have been studied.Detailed procedures are given for the synthesis of XYC2 (X = Y = H; R = hexyl; X = Y = Cl or Br and R = Me). 1H, 13C and 31P NMR data are reported including 1J_CH, 2J_CP', 3J_CP and 2J_PP coupling constants.The fragmentation of 19 XYC2 has been studied in the gas phase.The solid state structures are given for two compounds (X = Y = Cl, R = Prⁱ and X = Y = Br, R = Me).

Full text of DOI:10.1039/P29920000835

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