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Mass spectra of organometallic compounds–XII: Tetraphenylcyclobutadiene derivatives
Author(s) -
King R. B.,
Efraty A.
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.1210031003
Subject(s) - mass spectrum , chemistry , ion , group 2 organometallic chemistry , ring (chemistry) , spectral line , organometallic chemistry , sequence (biology) , stereochemistry , medicinal chemistry , crystallography , molecule , organic chemistry , crystal structure , physics , biochemistry , astronomy
The mass spectra of the tetraphenylcyclobutadiene complexes (C 6 H 5 ) 4 C 4 Fe(CO) 3 , C 5 H 5 CoC 4 (C 6 H 5 ) 4 and C 9 H 7 CoC 4 (C 4 H 5 ) 4 are reported. Evidence is presented for the loss of the tetraphenylcyclobutadiene ring by a two‐step sequence involving successive losses of two (C 6 H 5 ) 2 C 2 fragments. Significant differences are observed in the fragmentations of the monopositive and dipositive molecular ions of C 9 H 7 CoC 4 (C 6 H 5 ) 4 .
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