期刊
ORGANIC LETTERS
卷 11, 期 22, 页码 5330-5333出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol902173g
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资金
- National Institutes of Health
Synthesis of an advanced welwitindolinone intermediate via an alkylation/cyclization reaction Is reported. The key step involves a one pot Lewis acid-mediated alkylation of a silylketene aminal with a furan alcohol followed by an intramolecular cyclization. The reaction is stereoselective and takes place at low temperature. The cycloadduct was highly functionalized and contains the welwitindolinone core structure.
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