Mass Spectra of 9H-Xanthene and 9H-Thioxanthene Derivatives
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概要
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The mass spectra (MS) of 9-(1H-benzimidazol-2-ylmethyl)-9H-xanthene (1), 9-(1H-benzimidazol-2-ylmethyl)-9H-thioxanthene derivatives (2), and the 10-oxide (3) and 10,10-dioxide (4) derivatives of 2 were measured by electron ionization.The MS of 1 and 2 showed a peak corresponding to the loss of the substituent at the 9-position and a peak at m/z 152. The MS of 3 showed peaks corresponding to the loss of OH radical, the 1H-benzimidazol-2-ylmethyl group at the 9-position, and the oxygen atom. The MS of 4 showed peaks corresponding to the loss of OH radical, the 1H-benzimidazol-2-ylmethyl group at the 9-position, and SO_2.
- 公益社団法人日本薬学会の論文
- 1989-04-25
著者
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加藤 旭
Niigata College of Pharmacy
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岡林 一蔵
Niigata College of Pharmacy
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藤原 英俊
Niigata College Of Pharmacy
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