Synthesis and Study of Catalytic Perspectives of DABCO Based Ionic Liquid for the Synthesis of 2,3-Dihydro-1,5-Benzothiazepines and 2-Phenylbenzothiazoles
作者:Priyanka Pinate、Sangita Makone
DOI:10.1007/s10562-022-04033-z
日期:2023.4
DABCO based ionic liquids through the comparison of [H2-DABCO][HSO4]2, [H2-DABCO][H2PO4]2, [H2-DABCO][ClO4]2, and [C4H10-DABCO][HSO4]2. The proposed method displayed several advantages over prior methods, including use of non-metal and inexpensive catalyst, shorter reaction times, green solvent media, moderate to excellent product yields, easy work-up, and recyclability of the ionic liquid for subsequent
本研究合成、表征了一种新型 DABCO 基双阳离子酸性离子液体 [C 4 H 10 -DABCO][HSO 4 ] 2 ,并将其作为一种环保且可重复使用的催化剂成功应用于合成 2,3-二氢-1,5-苯并噻氮和 2-苯基苯并噻唑衍生物。本工作通过比较[H 2 -DABCO ][HSO 4 ] 2 , [H 2 -DABCO][H 2 PO 4 ]显示了阳离子和阴离子对基于DABCO的离子液体的催化适用性和防潮性能的影响] 2 , [H 2 -DABCO][ClO 4 ]2和[C 4 H 10 -DABCO][HSO 4 ] 2。所提出的方法显示出与现有方法相比的几个优点,包括使用非金属和廉价催化剂、反应时间更短、绿色溶剂介质、中等至优异的产品收率、易于后处理以及离子液体可回收用于后续反应而无需活动大大减少。 图形概要