pyridine; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide in N,N-dimethyl-formamide
Ambient temperature;
参考文献
Kaminski, J. M.; Bauer, L.; Mack, S. R.; Anderson, R. A.; Waller, D. P.; Zaneveld, L. J. D.
Journal of Medicinal Chemistry, 1986 , vol. 29, # 4 p. 514 - 519
