THE MASS-SPECTRA OF 10,10-DIMETHYL-9,10-DIHYDRO-10-SILA-2-AZAANTHRACENES WITH HETEROCYCLIC SUBSTITUENTS AT C-9

被引：0

作者：

SHEVTSOV, VK ^{[1
]}

POSHIVALOV, SG ^{[1
]}

MIKAYA, AI ^{[1
]}

VARLAMOV, AV ^{[1
]}

PROSTAKOVA, NS ^{[1
]}

机构：

[1] PATRICE LUMUMBA PEOPLES FRIENDSHIP UNIV,MOSCOW,USSR

来源：

BULLETIN OF THE ACADEMY OF SCIENCES OF THE USSR DIVISION OF CHEMICAL SCIENCE | 1990年 / 39卷 / 05期

关键词：

D O I：

10.1007/BF00961719

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The major pathways for the fragmentation of dihydrosilaazaanthracenes, containing an azetidine substituent, spiro-beta-lactam ring, or spirotetrahydrofuryl residue at C-9 upon electron impact are related to the presence of these rings. The azetidine ring may be eliminated as a radical or by splitting "in half" to give [M - Me]+ ions. Splitting of the spiro-beta-lactam ring "in half" leads to the two strongest ions M+.. The loss of the tetrahydrofuryl ring leads to ions of 9-methylene- and 9-oxosilaazaanthracenes. The dimethylsilyl group loses a methyl radical at various stages of the decomposition.

引用

页码：1063 / 1066

页数：4

共 47 条

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