New<i>N</i>-(Aryl)-5-((quinolin-8-yloxy)methyl)-1,3,4-oxa/Thiadiazol-2-amines and 4-Aryl-5-((quinolin-8-yloxy)methyl)-2<i>H</i>-1,2,4-triazole-3(4<i>H</i>)-thiones, Synthesis and Characterization
作者:Aamer Saeed、Naeem Abbas、Aliya Ibrar、Michael Bolte
DOI:10.1002/jhet.1817
日期:2014.9
intramolecular cyclization led to N‐(aryl)‐5‐((quinolin‐8‐yloxy)methyl)‐1,3,4‐oxa/thiadiazol‐2‐amines (5a, 5b, 5c, 5d, 5e, 5f, 5g) and 4‐aryl‐5‐((quinolin‐8‐yloxy)methyl)‐2H‐1,2,4‐triazole‐3(4H)‐thiones (6a, 6b, 6c, 6d, 6e, 6f, 6g), respectively. All the synthesized compounds were characterized by spectroscopic techniques and elemental analyses. The thiosemicarbazide (4c) was also confirmed by X‐ray crystallography
在这项研究中,将8-羟基喹啉(1)与氯乙酸甲酯反应得到的2-甲基(喹啉-8-基氧基)乙酸甲酯(2)与水合肼缩合,得到碳酰肼(3)。通过用取代的苯基异/硫代异氰酸酯处理3,获得硫代/氨基脲化合物(4a,4b,4c,4d,4e,4f,4g)。在图4a,图4b,图4c,图4d,图4e,4f中,4克酸性和碱性分子内环化反应导致N-(芳基)-5-((喹啉-8-基氧基)甲基)-1,3,4-氧杂/噻二唑-2-胺(5a,5b,5c,5d,5e,5f,5g)和4-芳基-5-(((喹啉-8氧基)甲基)-2 H -1,2,4-三唑-3(4 H)-硫酮(6a,6b,6c,6d,6e,6f,6g)。所有合成的化合物都通过光谱技术和元素分析进行了表征。硫代氨基脲(X射线晶体学也证实了4c)。