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13C NMR spectra of tricyclo[4.2.1.02,5]nonanes and tetracyclo[5.4.1.02,6.08,11]dodecanes

✍ Scribed by Yasutaka Ishii; Toshimitsu Noda; Masakazu Kawahara; Masaya Ogawa

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
230 KB
Volume
22
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

The ^13^C NMR spectra of tricyclo[4.2.1.0^2,5^]nonanes and tetracyclo[5.4.1.0^2,6^.0^8,11^]dodecanes and their dimethyl derivatives were measured to demonstrate the four‐membered ring annelation effects on the bicyclo[2.2.1]heptane skeleton, and the steric δ‐syn effects of the methyl groups attached to the four‐membered ring on the bridge carbons in these systems.

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