ELECTRON-IMPACT MASS-SPECTRA OF SOME ACRIDONES SUBSTITUTED WITH HYDROXYL, METHOXYL, ALKYL AND ALKENYL GROUPS

被引：3

作者：

LIN, ST ^{[1
]}

WU, TS ^{[1
]}

FURUKAWA, H ^{[1
]}

机构：

[1] MEIJO UNIV,FAC PHARM,NAGOYA,AICHI 468,JAPAN

来源：

ORGANIC MASS SPECTROMETRY | 1992年 / 27卷 / 02期

关键词：

D O I：

10.1002/oms.1210270209

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Forty-four acridones were examined by mass spectrometry. The fragmentations were studied, and included cleavage of the carbon-oxygen bond of methoxyl groups, cleavage of the carbon-carbon bonds of gamma,gamma-dimethylpyranyl groups, cleavage of isoprenyl groups and the formation of doubly charged molecular ions and daughter ions. The tendency for fission of carbon-oxygen bond in the methoxyl group for acridones is about 300:200:8:1 for the C(2), C(4), C(5) and C(6) positions, respectively. The isoprenyl group is very sensitive to its position in fragmentation, and mass spectrometry can be a powerful aid in distinguishing between C(2)- and C(4)-isoprenyl isomers.

引用

页码：116 / 120

页数：5

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