Ortho  effects in organic molecules on electron impact. 14—Concerted and stepwise ejections of SO 2  and N 2  from  N ‐arylidene 2‐nitrobenzenesulphenamides | Zendy

Ramana D. V. | Zendy; Sundaram N. | Zendy; George M. | Zendy

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Ortho effects in organic molecules on electron impact. 14—Concerted and stepwise ejections of SO 2 and N 2 from N ‐arylidene 2‐nitrobenzenesulphenamides

Author(s) -

Ramana D. V.,

Sundaram N.,

George M.

Publication year - 1987

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.1210220305

Subject(s) - substituent , mass spectrum , ion , chemistry , electron ionization , molecule , nitro , medicinal chemistry , organic chemistry , alkyl , ionization

Unexpected ortho interaction of the nitro group has been noticed during the mass spectral fragmentations of N ‐arylidene 2‐nitrobenzenesulphenamides, where the molecular ions expel SO 2 and N 2 both in concerted and stepwise processes. Loss of a hydrogen or the substituent from this fragment leads to a very abundant ion in all the compounds studied. Based on chemical evidence and linked‐scan studies, a 1,2‐phenylenetropylium cation structure has been postulated for the [M–SO 2 –N 2 –H/substituent] + ion.

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