v. Walther, Journal fur praktische Chemie (Leipzig 1954), 1903, vol. <2> 67, p. 447
作者:v. Walther
DOI:——
日期:——
Cyclotrimerization of Nitriles Catalyzed by SmI<sub>2</sub>/Amines: Synthesis of 2,4,6-Trisubstituted-S-Triazines
作者:Fan Xu、Jian-Hua Sun、Hai-Bin Yan、Qi Shen
DOI:10.1080/00397910008087119
日期:2000.3
SmI2 has been found to catalyze a reaction of cyclotrimerization of nitriles in the presence of amine as cocatalyst to give 2,4,6-trisubstituted-s-triazines effectively under mild reaction conditions. The yield depends on the structure of nitriles.
CONDENSATIONS OF NITRILES HAVING α-HYDROGEN TO FORM β-IMINONITRILES, CYCLIC TRIMERS, AND SUBSTITUTED 2-HYDROXY-4-AMINOPYRIDINES<sup>1</sup>
作者:GEORGE A. REYNOLDS、WILBERT J. HUMPHLETT、FREDERIC W. SWAMER、CHARLES R. HAUSER
DOI:10.1021/jo01142a001
日期:1951.2
Atkinson; Thorpe, Journal of the Chemical Society, 1906, vol. 89, p. 1922