Triton-B/CS2 system has been discussed. The protocol described is an easy, efficient, nature-friendly method using cheap, easily available, less toxic reagents at room temperature. The synthesis involves the reaction between substituted thiourea in toluene and oxalyl chloride at room temperature using phase transfer catalyst Triton-B/CS2 system.
讨论了使用 Triton-B/CS2 系统从取代
硫脲合成
硫代
咪唑烷-4,5-二酮 (1-15) 的简单、温和且有效的方案。所描述的协议是一种简单、高效、自然友好的方法,在室温下使用廉价、容易获得、毒性较小的试剂。该合成涉及
甲苯中的取代
硫脲与
草酰氯在室温下使用相转移催化剂Triton-B/CS2系统进行反应。