The Behavior of (cyclic‐alkylidene)hydrazinecarbothioamides in Cyclization with Dimethyl acetylenedicarboxylate
作者:Alaa A. Hassan、Shaaban K. Mohamed、Nasr K. Mohamed、Kamal M. A. El‐Shaieb、Ahmed T. Abdel‐Aziz、Joel T. Mague、Mehmet Akkurt
DOI:10.1002/jhet.2803
日期:2017.5
din‐5‐ylidene)‐acetate derivatives were synthesized via condensation alkylidene‐N‐substituted hydrazinecarbothioamides with dimethyl acetylenedicarboxylate. The synthesized compounds were characterized by using different spectroscopic methods and confirmed by single crystal X‐ray analysis. The behavior of (cyclic‐alkylidene) hydrazinecarbothioamides in cyclization was presented. The mechanism of transformation
通过缩合亚烷基-N-取代的肼基甲硫基酰胺与乙酰化乙二酸二甲酯合成了一系列(Z)-甲基2(Z)-3-取代的2-(环亚烷基氢偶氮基)-4-氧噻唑啉-5-亚烷基)-乙酸酯衍生物。通过使用不同的光谱方法对合成的化合物进行表征,并通过单晶X射线分析对其进行确认。介绍了环化亚烷基(环亚烷基)肼基硫代酰胺的行为。(Z)-甲基2-((Z)-3-(环亚戊基亚氨基)-4-氧代-2-(苯基亚氨基)噻唑烷-5-亚基)乙酸酯(14)转变为更稳定的(Z)-的机理甲基2-[(Z讨论并确认了)-2-(环亚戊基叠氮基)-4-氧代-3-苯基噻唑烷定-5-亚基]乙酸酯(5a)。