The acetylation of aryl ethers using acetic anhydride in the presence of zeolites under modest conditions in a solvent-free system gave the corresponding para-acetylated products in high yields. The zeolite can be recovered, regenerated and reused to give almost the
Journal of chromatography. A, 1210(2), 222-228 (2008-10-18)
A headspace solid-phase microextraction (HS-SPME) method for the determination of 12 haloanisoles in wine and spirit samples using gas chromatography with atomic emission detection (GC-AED) was developed. The different factors affecting the efficiency of the extraction were carefully optimized. The
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