Five 2 methyl 5 nitroimidazol derivatives were synthesized primarily from oxalaldehyde,ethanal via cyclization,nitration,esterification.The strutures of these compounds have been examined and confirmed by IR, 1H NMR,U...Five 2 methyl 5 nitroimidazol derivatives were synthesized primarily from oxalaldehyde,ethanal via cyclization,nitration,esterification.The strutures of these compounds have been examined and confirmed by IR, 1H NMR,UV spectra as well as elementary analysis.展开更多
Six title compounds were synthesized by the reaction of salicylic acid and 4 substituted phenylenediamine in the presence of pyridine and POCl 3 by microwave irradiation.The reactions took place easily with good yields.
文摘Five 2 methyl 5 nitroimidazol derivatives were synthesized primarily from oxalaldehyde,ethanal via cyclization,nitration,esterification.The strutures of these compounds have been examined and confirmed by IR, 1H NMR,UV spectra as well as elementary analysis.
文摘Six title compounds were synthesized by the reaction of salicylic acid and 4 substituted phenylenediamine in the presence of pyridine and POCl 3 by microwave irradiation.The reactions took place easily with good yields.