利用氧化反应合成3—羟基—4—芳基—5—(1—苯基—5—甲基—1,2,3—三唑—4—基)—1,2,4—三唑衍生物的新方法 |
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引用本文: | 褚长虎,张自义,李之春,廖仁安. 利用氧化反应合成3—羟基—4—芳基—5—(1—苯基—5—甲基—1,2,3—三唑—4—基)—1,2,4—三唑衍生物的新方法[J]. 兰州大学学报(自然科学版), 2001, 37(4): 64-67 |
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作者姓名: | 褚长虎 张自义 李之春 廖仁安 |
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作者单位: | 1. 兰州大学应用有机国家重点实验室,甘肃,兰州,730000 2. 南开大学元素有机化学国家重点实验室,天津,300071 |
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摘 要: | 采用不同的氧化剂对ω[5-(1-苯基-5-甲基-1,2,3-三唑-4-基)-4-芳基-1,2,4-三唑-3-硫基]-ω-(1H-1,2,4-三唑-1-基)苯乙酮进行了氧化,结果发现KMnO4作为氧化剂时,氧化产物十分复杂,难于分离,而H2O2-AcOH及间氯过氧苯甲酸(MCPBA)又不能将其氧化,最后采用NaIO4作为氧化剂时没有得到相应的砜或亚砜而意外得到3-羟基-4-芳基-5-(1-苯基-5-甲基-1,2,3-三唑-4-基)-1,2,4-三唑衍生物,化合物的结构经元素分析和波谱确证,并对其生成机理作了初步讨论。
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关 键 词: | 氧化反应 合成 反应机理 氧化剂 -4-基(-1 2 4-三唑衍生物 3-羟基-4-芳基-5-)1-苯基-5-(1-苯基-5-甲基-1 2 3-三唑 |
文章编号: | 0455-2059(2001)04-0064-04 |
修稿时间: | 2000-04-17 |
A New Method for Synthesizing 3-Hydroxy-4-aryl-5-(1-phenyl-5-methyl-1,2,3-triazol-3-yl)-1,2,4-triazole Derivatives by Oxidation Reaction |
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Abstract: | A new method for synthesizing 3 hydroxy 4 aryl 5 (1 phenyl 5 methyl 1,2,3 triazol 4 yl) 1,2,4 triazole derivatives was described. When KMnO 4 was used as an oxidant, the oxidation products were so complex that they can not be separated. On the other hand, both H 2O 2 AcOH and MCPBA can not react with the sulfur ether. While NaIO 4 was used as an oxidant, no correspondent sulfones and sulfoxides were obtained but the title compounds. Elemental analysis and spectral data confirmed the structures of the new compounds. Mechanism of the oxidation reaction was also discussed. |
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Keywords: | hydroxy 1 2 4 triazole 1 2 3 triazole synthesis oxidation mechanism |
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