CAS: 77472-71-0 2-Oxo-4-Phenyl-1-Pyrrolidineacetic Acid Hydrazide Phenylpiracetam hydrazine

N-formyl derivative 4 nwetara site na reflux nke 2 na formic acid maka awa 5 na nnukwu mkpụrụ.Acetic acid N'-[2- (7-hydroxy-2-oxo-2 H-chromen-4-yl) -acetyl] -hydrazide (5) nwetara site na reflux acetylation nke 2 na acetic acid na mkpụrụ dị mma.A na-enwetakwa ngwakọta 6 site na refluxing 2 na 3- (2-bromoacetyl) -4-hydroxy-2 H-chromen-2-otu na ethanol.Ngwakọta 2 na-emeghachi omume na phenyl isothiocyanate na ethanol na ụlọ okpomọkụ iji nweta 4-phenyl-1- (7-hydroxy-2-oxo-2 H-chromen-4-acetyl -) - thiosemicarbazide (7).
3-{2-[2-(7-hydroxy-2-oxo-2 H-chromen-4-yl)-acetyl]hydrazono}butanoate (8) ethyl ester (8), 3-{2-[2-( 7-hydroxy-2-oxo-2 H-Chromen-4-yl) -acetyl] Hydrazono} Butanoate (8), Mkpụrụ bụ 48% (Nhọrọ 2).Ekpebiri nhazi nke ogige 4-8 site na data nyocha ha yana ụdị IR na 1 H-NMR ha.Ntinye infrared n'ihi ọrụ NH, OH na C = O na-egosi na 3450-3000 na 1728-1610cm-1, n'otu n'otu.Njikọ absorption jikọtara ya na ọnụnọ nke otu ndị ọzọ na-arụ ọrụ dị na mpaghara a na-atụ anya ya.Ụdị 1 H-NMR nke ogige ahụ na-egosi otu ọnụ ọgụgụ kasị elu na mpaghara 8.03-10.58ppm kwekọrọ na NH na OH protons.Ngwakọta 4-8