水相中催化分子氧氧化制备次磺酰胺类橡胶硫化促进剂的方法

• Format: Patent
• Language: Chinese
• Published: 23.11.2018
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

本发明涉及种催化分子氧氧化制备次磺酰胺类橡胶促进剂的方法，该方法以水溶性过渡金属酞菁化合物为催化剂，使2-巯基苯并噻唑在水相中于氧气（或空气）压力0.01-1MPa、温度40-100℃的条件下，与胺（叔丁胺或环己胺）发生氧化交叉偶联反应1-30小时，生成次磺酰胺类橡胶促进剂。本发明制备方法的反应在水相中进行，无需添加其它有机溶剂，催化剂活性高，反应效率高，可多次利用，合成工艺简捷，产物选择性高，副产物少，废物少，环境友好，具有较强的工业应用前景。 The invention relates to a method for preparing sulfenamide thiofide by catalyzing oxidation of molecular oxygen in a water phase. According to the method, a water-soluble transition metal phthalocyanine compound is utilized as a catalyst, and 2-mercaptobenzothiazole generates oxidation cross coupling reaction with amine (tert-butylamine or cyclohexane) for 1 to 30 hours to generate sulfenamide thiofide in the water phase under the conditions that oxygen (or air) pressure is 0,01 to 1MPa, and temperature is 40 to 100 DEG C. Reaction of the preparation method disclosed by the invention is performed in the water phase, other organic solvents are prevented from being added, catalyst activity is high, reaction efficiency is high, the catalyst can be used repeatedly, a synthesizing technology