| 摘要 |
<p>A novel composition for scavenging acylation reagents and/or aldehyde and/or ketone, comprising amino functionalized silica gel of formula (I) wherein R is C1 to C10 linear, branched or cyclic alkyl and has at least one primary or secondary amino group, and said acylation reagents being selected from one or more members of the group consisting of isocyanates and thioisocyanates, is useful for obtaining a purified compound.</p> |
