Several furo[3,2-c]coumarins are produced efficiently and regioselectively by a formal [3+2] cycloaddition of 3-diazo-4-hydroxycoumarin and oxygenated alkenes, presumably via the intermediacy of rhodium carbenoid.
Rhodium(II) Catalysed Decomposition of 3-Diazo-4-hydroxycoumarin. An Easy Access to Furocoumarin Ring System
GIOVENZANA, Giovanni Battista;
2000-01-01
Abstract
Several furo[3,2-c]coumarins are produced efficiently and regioselectively by a formal [3+2] cycloaddition of 3-diazo-4-hydroxycoumarin and oxygenated alkenes, presumably via the intermediacy of rhodium carbenoid.File in questo prodotto:
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