The application of unsymmetrical vinylogous iminium salts and related synthons to the preparation of monosubstituted triazolo [1, 5-a]pyrimidines
作者:Scott A. Petrich、Zhenrong Qian、Lisa M. Santiago、John T. Gupton、James A. Sikorski
DOI:10.1016/s0040-4020(01)89564-8
日期:1994.1
The reaction of vinylogous iminiumsalts and related analogs with 3-amino-1,2,4-triazole to yield 7-substituted and 5-substituted triazolo [1,5-a]pyrimidines is described.
The application of vinylogous iminium salts and related synthons to the preparation of trisubstituted pyridines
作者:Scott A. Petrich、Fred A. Hicks、Doug R. Wilkinson、James G. Tarrant、Steve M. Bruno、Marian Vargas、Kirsten N. Hosein、John T. Gupton、James A. Sikorski
DOI:10.1016/0040-4020(94)01039-3
日期:1995.2
The reaction of unsymmetrical vinylogous iminum salts and related analogs with β-aminocrotononitrile to yield 2,3,6-trisubstituted pyridines with regioselective control is described.