期刊
ORGANIC LETTERS
卷 17, 期 10, 页码 2434-2437出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b00938
关键词
-
资金
- National Basic Research Program of China (973 Program) [2011CB808600]
- National Natural Science Foundation of China [21322203, 21272238, 21472194]
The first Re-catalyzed [4 + 1] annulation of azobenzenes with aldehydes was developed to furnish 2H-indazoles via isolable and characterized cyclic Re-I-complexes. For the first time, the acetate-acceleration effect is showcased in Re-catalyzed C-H activation reactions. Remarkably, mechanistic studies revealed an irreversible aldehyde-insertion step, which is in sharp contrast to those of previous Rh- and Co-systems.
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