The mass spectra of phenothiaphosphine derivatives | Zendy

Granoth I. | Zendy; Kalir A. | Zendy; Pelah Z. | Zendy; Bergmann E. D. | Zendy

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The mass spectra of phenothiaphosphine derivatives

Author(s) -

Granoth I.,

Kalir A.,

Pelah Z.,

Bergmann E. D.

Publication year - 1970

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.1210031103

Subject(s) - fragmentation (computing) , phosphine , mass spectrum , chemistry , aryl , ring (chemistry) , polyatomic ion , phosphorus , ion , medicinal chemistry , atom (system on chip) , stereochemistry , organic chemistry , catalysis , alkyl , embedded system , computer science , operating system

The molecular ion of the phenothiaphosphine derivatives is fairly stable. Under electronimpact, the phenothiaphosphines (I) and phenothiaphosphinic acids (IV, R = H) undergo a one‐step elimination of the phosphorus atom together with the groups attached to it. Substitutents in the aromatic rings, as well as on the phosphorus, influence the fragmentation pattern; ring methyl, e.g. leads to tropylium structures. Phosphine oxides of type V lose RO˙, probably after a rearrangement, when R = aryl, but R˙ if it is methyl.

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