A novel and efficient synthesis of 5-substituted and 5,6-disubstituted 4-methylcoumarins using organocerium(III) reagents
| Autor: | Nagasawa, Kazuo, Kanbara, Hajime, Matsushita, Kazuya, Ito, Keiichi |
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| Zdroj: | Tetrahedron Letters; January 1985, Vol. 26 Issue: 52 p6477-6480, 4p |
| Abstrakt: | Addition of organocerium(III) reagent, Cl2CeCH2COOt-Bu, to the appropriate ortho-methoxymethoxyacetophenones followed by acid-treatment gives 5-substituted and 5,6-disubstituted 4-methylcoumarins in excellent yields. |
| Databáze: | Supplemental Index |
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