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General method for the synthesis of oxindoles

โœ Scribed by Gassman, Paul G.; Van Bergen, T. J.

Book ID
121279161
Publisher
American Chemical Society
Year
1973
Tongue
English
Weight
237 KB
Volume
95
Category
Article
ISSN
0002-7863

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Oxindoles. New, general method of synthe
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โœ Gassman, Paul G.; Van Bergen, T. J. ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› American Chemical Society ๐ŸŒ English โš– 664 KB

and dried over anhydrous mtlgnesium sulfate. The drying agent was removed by filtration, and the solvent was evaporated to give 10.50 g (84% yield) of 61 as a light yellow oil: ir (neat) 3380 (enamine NH), 3050-2850 (CH), 1735 (ester C=O), 1670 (C==N), and 1615 (C==C) cm-l; pmr (CCI,) 2.80-3.50 (4 H