Mass spectrometric studies of organophosphorus compounds: III —Remarkable migration of chalcogen on electron impact of organophosphorus compounds | Zendy

Keck Helmut | Zendy; Kuchen Wilhelm | Zendy; Mahler Hans F. | Zendy

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Mass spectrometric studies of organophosphorus compounds: III —Remarkable migration of chalcogen on electron impact of organophosphorus compounds

Author(s) -

Keck Helmut,

Kuchen Wilhelm,

Mahler Hans F.

Publication year - 1980

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210151110

Subject(s) - chalcogen , cleavage (geology) , mass spectrum , chemistry , ion , ring (chemistry) , electron , phosphorus , mass spectrometry , electron ionization , crystallography , medicinal chemistry , organic chemistry , materials science , chromatography , ionization , physics , quantum mechanics , fracture (geology) , composite material

The mass spectra of several dibenzo ( d.f )‐1,3,2,‐dioxaphosphorepines of the typewhere X=0, S, Se and R=2,2′‐biphenylylene, have been studied. Dibenzochalcogen ions [RX] + ˙ stemming directly from [M] + ˙ were observed with high intensities, indicating specific migration of X from phosphorus to carbon with simultaneous destruction of the dioxaphosphorepine ring. Simple cleavage of PY as usually observed in similar organophosphorus compounds is not a common process here.

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