4-substituted and 7-substituted indoles, benzofurans, benzothiophenes, benzimidazoles, benzoxazoles, and benzothiazoles and methods for making same
申请人:The Research Foundation of State University of New York
公开号:US07816536B2
公开(公告)日:2010-10-19
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.
本发明涉及4-取代和7-取代吲哚、苯并呋喃、苯并噻吩、苯并咪唑、苯并噁唑和苯并噻唑。同时,本发明还涉及制备4-取代和7-取代吲哚、苯并呋喃、苯并噻吩、苯并咪唑、苯并噁唑和苯并噻唑的方法,包括具有以下式的方法。该方法包括将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基重氮化合物在二铑催化剂的存在下接触。