Mass spectra of 2,2′-bridged biphenyls w
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Basil A. Behnam; D. Muriel Hall
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Article
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1980
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John Wiley and Sons
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English
⚖ 418 KB
## Abstract Mass spectra of four tetrahydrotetrabenzo[__b,d,h,j__] [1,6]diazacyclododecines are reported. Loss of phenan‐threne gives 2,2′‐diaminobiphenyl or the appropriate substituted diamine as the base peak in three cases. Substituents __ortho__ to the biphenyl link substantially modify the fra