AN ANTIMALARIAL ALKALOID FROM HYDRANGEA. XV. SYNTHESIS OF 5-, 6-, 7-, AND 8-DERIVATIVES WITH TWO IDENTICAL SUBSTITUENTS
作者:B. R. BAKER、ROBERT E. SCHAUB、JOSEPH P. JOSEPH、FRANCIS J. McEVOY、JAMES H. WILLIAMS
DOI:10.1021/jo01135a015
日期:1952.1
New Synthesis of 2-Oxoalkanamide Oximes
作者:S. N. Mantrov、Yu. M. Lapina、E. A. Shukhtina
DOI:10.1134/s1070428019040201
日期:2019.4
Reactions of α-halocarboxylic acid amides with 3 equiv of hydroxylamine hydrochloride in the presence of bases involves formation of products of nucleophilicsubstitution of the halogen atom and their subsequent oxidation to the corresponding oximes. This one-pot transformation can be accomplished in various aproticsolvents or ethanol at 80°C. Dimethyl sulfoxide as solvent ensures the highest selectivity
A modified Sandmeyer methodology and the synthesis of (±)-convolutamydine A
作者:Simon J. Garden、JoséC. Torres、Alexandre A. Ferreira、Rosangela B. Silva、Angelo C. Pinto
DOI:10.1016/s0040-4039(97)00140-8
日期:1997.3
(±)-Convolutamydine A (5) has been prepared by a concise synthesis form 3,5-dibromoaniline using a modified Sandmeyer methodology. The modified Sandmeyer methodology has also been found to be beneficial for the synthesis of other α-isonitrosoacetanilides. The 4,6-dibromohydrocyoxindole nucleus was further confirmed by comparison with the isomeric 5,7-dibromohydroxyoxindole.