Studies on Methylglyoxal Bis (guanylhydrazone) 1 Analogs. III. Trifluoromethylglyoxal Bis (guanylhydrazone) 2 and 1, 2-Bis (guanidinoamino) propane3, 4
EG Podrebarac, CC Cheng
文献索引：Podrebarac,E.G.; Cheng,C.C. J. Med. Chem., 1964 , vol. 7, p. 806 - 808
I11 IV v salt. The sulfate of I1 was similarly prepared from I11 and aminoguanidine sulfate. Both products were difficult to purify. The ultraviolet absorption maxima for the two were identical (A::: 304 mp), yet quite different from the characteristic absorption for I and its homologs (A&:: 283 mp). 5 In view of the analytical difficulties and the" abnormal" ultraviolet absorption, an attempt was made to determine whether the products in the foregoing ...
