1,3-(4,4'-dipyridinium disulfonic acid)propane dimethanesulfonate as an effective double-functional catalyst in preparing N,N′-Methylene bisamides, Tetrahydrochromeno-chromenes, and Pyrido-dipyrimidines
Titel:
1,3-(4,4'-dipyridinium disulfonic acid)propane dimethanesulfonate as an effective double-functional catalyst in preparing N,N′-Methylene bisamides, Tetrahydrochromeno-chromenes, and Pyrido-dipyrimidines
Auteur:
Saleh, Ebraheem Abdu Musad Abdullah, Bashar Mudhaffar Mohammed, Hala Kh. Kassem, Asmaa F. Sapaev, I. B. Ghildiyal, Pallavi Hamoody, Abdul-hameed. M. Alawadi, Ahmed Altimari, Usama S. Nejad, Maryam Sadat Ghorayshi