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- Title
Sulfonic acid-functionalized polyallylamine (sevelamer) as an efficient reusable strong solid acid catalyst for the synthesis of xanthenes derivatives.
- Authors
Zhao, Xian-Liang; Shelton, Makombe; Yang, Ke-Fang
- Abstract
Sevelamer (polyallyamine resin)-supported sulfonic acid (S-SO3H) has been prepared from the reaction of sevelamer with chlorosulfonic acid and characterized using FT-IR spectroscopy, scanning electronmicroscopy (SEM) and thermogravimetric analysis (TGA). The catalytic activity of S-SO3H was investigated in the synthesis of 1,8-dioxo-octahydroxanthene derivatives. All of the reactions were fast and gave excellent yields. The catalyst was easily recovered and reused for 5 runs without significant loss of its catalytic activity.
- Subjects
SULFONIC acids; SPECTROMETRY; CHLOROSULFONIC acid; THERMOGRAVIMETRY; SCANNING electron microscopy
- Publication
BMC Chemistry, 2019, Vol 13, Issue 1, pN.PAG
- ISSN
2661-801X
- Publication type
Article
- DOI
10.1186/s13065-019-0609-4