Journal
ORGANIC LETTERS
Volume 19, Issue 12, Pages 3319-3322Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b01492
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Funding
- National Natural Science Foundation of China [21472056, 21602070]
- Fundamental Research Funds for the Central Universities [CCNU15ZX002, CCNU16A05002]
- 111 Project [B17019]
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A novel iodine-promoted oxidative cross-coupling/cyclization of 2-(pyridin-2-yl)acetate derivatives and methyl ketones via the cleavage of multiple (CspH)-H-3 bonds has been developed, which also achieved efficient cleavage of a CC bond in the 2-(pyridin-2-yl)acetate derivatives. This protocol represents an elegant molecular fragment assembly of diverse 3-(pyridin-2-yl)indolizines via a formal [3 + 1 + 1] annulation. Notably, the pyridine derivatives serve two pivotal roles to provide two fragments to construct 3-(pyridin-2-yl)indolizine skeletons, rather than the single role in building common indolizines.
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