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Science 14 December 1979:
Vol. 206. no. 4424, pp. 1309 - 1311
DOI: 10.1126/science.316186
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Articles

Science, Vol 206, Issue 4424, 1309-1311
Copyright © 1979 by American Association for the Advancement of Science

articles

Benzo(a)pyrene-7,8-dihydrodiol 9,10-oxide adenosine and deoxyadenosine adducts: structure and stereochemistry

AM Jeffrey, K Grzeskowiak, IB Weinstein, K Nakanishi, P Roller, and RG Harvey

The structure and absolute stereoconfigurations of four adenosine adducts with (+/-)-7 alpha,8 beta-dihydroxy-9 beta, 10 beta-epoxy-7,8,9,10-tetrahydrobenzo(a)pyrene (BPDE) and their deoxyadenosine analogs have been determined. They result from both cis and trans addition of the N6 amino group of ademine to the 10 position of both enantiomers of BDPE. This was determined from studies of the nuclear magnetic resonance spectra, mass spectra, and circular dichroism spectra, as well as from their pKa values and chemical reactivities.


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