摘要 |
<p>A process is provided for removing one or more metals from liquids. Also provided is a process for the synthesis of aP2 inhibiting compounds having the formula (I) wherein R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, HET, and X-Z are as described herein, which process comprising the step of removing one or more metals from a solution of the compound of formula I or an intermediate or precursor thereof. The processes for removing metal comprise the step of contacting the liquid with a solid extractant comprising a metal-binding functionality.</p> |