Mass Spectral Studies of Aza- and Diazabenzobicycloalkanes. II. Some Aspects of Mass Spectrometry of 1,3-Bridged 1,2,3,4-Tetrahydronaphthalenes, 2,4-Bridged 1,2,3,4-Tetrahydroisoquinolines and 1,3-Bridged 1,2,3,4-Tetrahydroquinolines

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概要

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• The mass spectra of 1,3-bridged 1,2,3,4-tetrahydronaphthalenes (I, I', II, III and IV), 2,4-bridged 1,2,3,4-tetrahydroisoquinolines (VI, VII and VII') and 1,3-bridged 1,2,3,4-tetrahydroquinolines (VIII and IX) were examined. Fragmentation pathways of these compounds are discussed. The compounds I-V undergo two major fragmentations ; fission of the B-ring to give fragment ions of C-ring and A-ring, and formation of naphthalene and small nitrogen-containing fragment ions. While, the compounds VI-IX decompose to form quinoline- or isoquinoline-type fragment ions by loss of C-ring moiety. The position of nitrogen atom plays a dominant role in determining the predominance of the fragmentation.

• 公益社団法人日本薬学会の論文
• 1972-09-25

著者

• 三橋 監物

  Faculty of Pharmaceutical Sciences, University of Toyama

• 塩谷 俊作

  Toyama Technical College

• 塩谷 俊作

  Toyama National College Of Technology

• 三橋 監物

  Faculty Of Pharmaceutical Sciences Josai University

関連論文

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