Journal
ORGANIC LETTERS
Volume 24, Issue 16, Pages 3003-3008Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.2c00912
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Funding
- National Natural Science Foundation of China [22161022]
- Natural Science Foundation of Jiangxi Province [20202ACBL203006]
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The Rh-catalyzed reactions of N-pyridinyl enaminones with internal alkynes leading to the synthesis of iminopyranes via C-H bond activation and subsequent tautomeric O-H bond cleavage are reported. The pyridine ring in the amino group acts as an auxiliary monodentate site and can be easily removed by hydrolysis to afford pyranones.
The Rh-catalyzed reactions of N-pyridinyl enaminones with internal alkynes leading to the synthesis of iminopyranes via a key C-H bond activation and subsequent tautomeric O-H bond cleavage are reported. Moreover, the pyridine ring in the amino group acts as an auxiliary monodentate site for this annulation and can be easily removed by a simple hydrolysis to afford pyranones.
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