Journal
ORGANIC LETTERS
Volume 17, Issue 4, Pages 924-927Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b00028
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Funding
- Ministry of Science and Technology of the Republic of China [MOST-103-2633-M-007-001]
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An external-oxidant-free process to access the isoquinolone motif via cross-coupling/cyclization of benzhydroxamic acid with alkynes is described. The reaction features a regioselective cleavage of a C-H bond on the benzhydroxamic acid coupling partner as well as a regioselective alkyne insertion. Mechanistic studies point out the important involvement of a N-O bond as a tool for C-N bond formation and catalyst turnover.
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