木聚糖类半纤维素固体酸在催化1,3-偶极环加成反应中的应用

来源 :中国化学会第30届学术年会 | 被引量 : 0次 | 上传用户:nkxrb
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  生物质碳基固体酸(Sulfonation of carbonized biomass,CB-SO3H)是以生物质为原料进行不完全碳化后,经磺化处理而负载上酸性基团的催化材料,具有较高的催化性能.CB-SO3H是一种不可溶的、稳定的、廉价的新型催化剂.近年来在烷基化、酯化、聚合、缩合、加成和异构化等反应中展现出较好的催化效果.与传统的液体酸催化剂相比,CB-SO3H催化剂能通过沉降或过滤轻易地从液相产物中分离,避免了液体酸在催化过程中产生大量废液废渣、腐蚀设备及在工艺上难以实现连续生产等缺点.
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