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Fast atom bombardment mass spectra of iodonium salts

✍ Scribed by Helen H. Schurz; Kenneth L. Busch

Publisher: John Wiley and Sons
Year: 1992
Tongue: English
Weight: 421 KB
Volume: 27
Category: Article
ISSN: 1076-5174
DOI: 10.1002/oms.1210270511

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✦ Synopsis

Positive-ion fast atom bombardment mass spectra and linked-scan tandem mass spectra were measured for aromatic iodonium salts. The mass spectra usually contain the intact cation of the iodonium salt as the base peak, fragment ions of lower abundance resulting from simple cleavages or rearrangements, and a characteristic loss of atomic iodine. Higb-level semiempirical calculations suggest that an obtuse ring-I+-ring angle facilitates loss of atomic iodine through concomitant ring-to-ring bond formation.

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