¹⁷O and ¹³C NMR Studies of Isobenzopyrylium Salts

Adama Saba Laboratoire de Chimie Organique, Structure et Réactivité Faculté des Sciences et Techniques, Université de Ouagadougou, 03 BP7021, Ouagadougou, 03, Burkina-Faso

Faustin Sie Sib Laboratoire de Chimie Organique, Structure et Réactivité Faculté des Sciences et Techniques, Université de Ouagadougou, 03 BP7021, Ouagadougou, 03, Burkina-Faso

Jean-Pierre Aycard Laboratoire de Physique des Interactions Ioniques et Moléculaires URA CNRS 773, Case 542, Université de Provence, 13397, Marseille Cedex, 13, France

Abstract

¹³C and ¹⁷O NMR chemical shifts for a series of isobenzopyrylium salts are reported. The oxygen signal range from 300 to 270 ppm as a double bonded carboxylic oxygen, From the ¹⁷O and ¹³C data valuable informations on the conjugative and substituent effects of isobenzopyrylium salts were obtained.

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17O and 13C NMR Studies of Isobenzopyrylium Salts

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¹⁷O and ¹³C NMR Studies of Isobenzopyrylium Salts