期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 8, 期 10, 页码 2427-2432出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0968-0896(00)00175-9
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A practical synthesis of the 3-phenolic precursor of MDL 100907, a selective 5-HT2A receptor antagonist, is described. The route was also applied to the enantiomeric series, thus affording the direct precursors of both 3-[C-11]MDL 100907 and its enantiomer as ligands for positron emission tomography. Similar methodology was developed for the direct synthesis of MDL 100907 and its enantiomer, MDL 100009. The routes utilized classical optical resolution of the N-nor intermediates in at least 98% enantiomeric excess and easily afforded multigram amounts of the chiral precursors of a variety of N- and 3-O-substituted enantiomers. (C) 2000 Elsevier Science Ltd. All rights reserved.
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