Studies in sulphur heterocyles. 2The13C NMR spectra of thienocoumarins

Norman M.D. Brown,Asish De,John S. A. Brunskill,Howard Jeffrey

Magnetic Resonance in Chemistry（1982）

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摘要

13C NMR spectra of 3- substituted thieno[2,3-h][1]benzopyran-2-ones and 8-substituted thieno[3,2-f]-[1]benzopyran-7-ones are reported and the substituent dependence of certain 13C chemical shifts is noted.

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