期刊
CHEMICAL SOCIETY REVIEWS
卷 45, 期 16, 页码 4448-4458出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cs00887e
关键词
-
资金
- NSF [CHE-1301343]
The two main strategies of gold-catalysed oxidative cyclisation are discussed in this tutorial. The first one employs nucleophilic oxidants as either internal or external nucleophiles. The inherently weak O-heteroatom bond in the oxidant enables the versatile reactivities of the initial gold-promoted adduct of the oxidant to alkyne, including its fragmentation into a highly reactive alpha-oxo gold carbene intermediate. The second features external oxidant-powered Au(I)/Au(III) catalysis, where the metal oxidation state changes during the catalytic cycle. These strategies have been applied toward the development of a variety of valuable synthetic transformations.
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