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Mass spectra of 1-aryl-2, 2-dibromocyclopropanes

✍ Scribed by Shaw-Tao Lin; Mei-Ling Lin; Wen-Chung Lin


Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
305 KB
Volume
25
Category
Article
ISSN
1076-5174

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✦ Synopsis


The electron impact (EI) mass spectra of sixteen l-aryl-2,2dibromocyclopropanes give an ion at m/z 115, the structure of which is proposed to be the indenium ion based on a collision-activated decomposition experiment.


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Table 1. The EI mass spectra, showing peaks of >5% relative abundance (RA), of compounds 1-10, using 70 eV electrons Compound m/z (% RA) 1 315(M, 55) 314(10) 161(10) 160(89) 159(13) 107(12) 106(100) 105(11) 104(9) 91(33) 77(22) 65(15) a 2 345(M, 4) 316(7) 315(19) 314(100) 190(11) 175(7) 172(5) 160(1

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