作者:Ahmed A. Al-Amiery、Ahmed Y. Musa、Abdul Amir H. Kadhum、Abu Bakar Mohamad
DOI:10.3390/molecules16086833
日期:——
New coumarin derivatives, namely 7-[(5-amino-1,3,4-thiadiazol-2-yl)methoxy]-2H-chromen-2-one (4), 5-[(2-oxo-2H-chromen-7-yloxy)methyl]-1,3,4-thiadiazol-2(3H)-one (5), 2-[2-(2-oxo-2H-chromen-7-yloxy)acetyl]-N-phenylhydrazinecarbothioamide (7), 7-[(5-(phenylamino)-1,3,4-thiadiazol-2-yl)methoxy]-2H-chromen-2-one (8) and 7-[(5-mercapto-4-phenyl-4H-1,2,4-triazol-3-yl)methoxy]-2H-chromen-2-one (9) were prepared starting from the natural compound umbelliferone (1). The newly synthesized compounds were characterized by elemental analysis and spectral studies (IR, 1H-NMR and 13C-NMR).
新合成的香豆素衍生物,即7-[(5-氨基-1,3,4-噻二唑-2-基)甲氧基]-2H-色烯-2-酮(4)、5-[(2-氧代-2H-色烯-7-基氧基)甲基]-1,3,4-噻二唑-2(3H)-酮(5)、2-[2-(2-氧代-2H-色烯-7-基氧基)乙酰基]-N-苯基酰肼硫代酰胺(7)、7-[(5-(苯胺基)-1,3,4-噻二唑-2-基)甲氧基]-2H-色烯-2-酮(8)和7-[(5-巯基-4-苯基-4H-1,2,4-三唑-3-基)甲氧基]-2H-色烯-2-酮(9),均由天然化合物伞形酮(1)出发制备。新合成化合物通过元素分析和光谱研究(IR、1H-NMR和13C-NMR)进行表征。