THE SYNTHESIS OF A SERIES OF 3,5-DISUBSTITUTED TETRAHYDRO- 1 H -IMIDAZOLE-2,4-DIONES UTILIZING LITHIUM ALUMINUM HYDRIDE
✍ Scribed by Sanders, M. Lee; Donkor, I. O.
- Book ID
- 126522816
- Publisher
- Taylor and Francis Group
- Year
- 2002
- Tongue
- English
- Weight
- 105 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0039-7911
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Tic palladium-catalyzed intramolecular cyclization of l-butyl-l(o-iodobenzyl)-3-pheaylurea 1 at gO°C m the Ixesence of carbon monoxide at atmospheric pressure gives the corresl~nding 2,3,4,5-teWahydro-IH-2,4benzodiazepine-1,3-dione derivative 2 in 91% yield. Yield and selectivity are strongly affect