4-Substituted and 7-substituted indoles, benzofurans, benzothiophenes, benzimidazoles, benzoxazoles, and benzothiazoles and methods for making same
申请人:Davies M. L. Huw
公开号:US20070004787A1
公开(公告)日:2007-01-04
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.
揭示了4-取代和7-取代的吲哚、苯并呋喃、苯并噻吩、苯并咪唑、苯并噁唑和苯并噻唑。还揭示了制备4-取代和7-取代的吲哚、苯并呋喃、苯并噻吩、苯并咪唑、苯并噁唑和苯并噻唑的方法,包括具有下列式的化合物。该方法包括在双铑催化剂存在下将4-取代-6,7-二氢吲哚、苯并呋喃、苯并噻吩、苯并咪唑、苯并噁唑或苯并噻唑化合物或7-取代-4,5-二氢吲哚、苯并呋喃、苯并噻吩、苯并咪唑、苯并噁唑或苯并噻唑化合物与乙烯双重氮化合物接触。