期刊
CHINESE JOURNAL OF CHEMISTRY
卷 41, 期 16, 页码 1957-1962出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.202300015
关键词
C-H activation; Cross dehydrogenative coupling; Rhodium catalysis; Iridium catalysis; Alkenylation; Amaidiation; Heteroarylation
In this study, a Rh(III)-catalyzed C-H activation strategy of N-nitrosoanilines and iodonium ylides was developed to construct novel tetralydrocarbzol-4-one scaffolds, providing valuable templates for sequential C-H functionalization at the C-5 position. Gram-scale synthesis and further transformations of tetralhydrocarbzol-4-one derivatives demonstrated the utility of this protocol in the concise and diverse construction of biologically active molecules.
Herein, we have developed a strategy of Rh(III)-catalyzed C-H activation of N-nitrosoanilines and iodonium ylides to construct novel tetralydrocarbzol-4-one scaffolds, which provided valuable templates for sequential C-H functionalization such as alkylation, alkenylation, amidation and (hetero)arylation at C-5-position of tetralydrocarbzol-4-one with different coupling partners. Gram-scale synthesis and further transformations of tetralydrocarbzol-4-one derivatives to Ondansetron and its analogues demonstrated the utility of this protocol, which enabled the concise and diverse construction of biologically active molecules.
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