期刊
NEW JOURNAL OF CHEMISTRY
卷 32, 期 8, 页码 1354-1358出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b808694j
关键词
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A novel application of a cinchona-modified supported Pd catalyst is presented. The key step in the asymmetric synthesis of the cockroach attractant methyl (+)-tetrahydro-2H-pyran-3-carboxylate was the enantioselective hydrogenation of 5,6-dihydro-2H-pyran-3-carboxylic acid over 5% Pd/Al(2)O(3) modified by cinchonidine, which afforded the saturated product in up to 89% optical purity.
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