发明授权
US07816536B2 4-substituted and 7-substituted indoles, benzofurans, benzothiophenes, benzimidazoles, benzoxazoles, and benzothiazoles and methods for making same 失效
4-取代和7-取代的吲哚,苯并呋喃,苯并噻吩,苯并咪唑,苯并恶唑和苯并噻唑及其制备方法

4-substituted and 7-substituted indoles, benzofurans, benzothiophenes, benzimidazoles, benzoxazoles, and benzothiazoles and methods for making same
摘要:
Disclosed are 4-substituted and 7-substituted indoles, benzofurans, benzothiophenes, benzimidazoles, benzoxazoles, and benzothiazoles. Also disclosed are methods for making 4-substituted and 7-substituted indoles, benzofurans, benzothiophenes, benzimidazoles, benzoxazoles, and benzothiazoles, including those having the formulae. The methods include contacting a 4-substituted-6,7-dihydro indole, benzofuran, benzothiophene, benzimidazole, benzoxazole, or benzothiazole compound or a 7-substituted-4,5-dihydro indole, benzofuran, benzothiophene, benzimidazole, benzoxazole, or benzothiazole compound with a vinyldiazo compound in the presence of a dirhodium catalyst.
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