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8444246857
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note
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Unimolecular elimination of the N-acyl-pyridinium salt to form an acylium ion is also conceivable but this process would be expected to be more significant for the initial acyl donor (Scheme 6).
-
-
-
-
38
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8444251466
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note
-
The intervention of a ketene pathway during 4-(dialkylamino)pyridine- catalyzed esterification has been proposed but not substantiated.[15,17]
-
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41
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8444234411
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3[37] and do not provide clear-cut evidence in favor of general base catalysis.
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3.[37]
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44
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0001723891
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