A novel one-step synthesis of 4H-furo[3,
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MartΓn, Nazario ;Segura, JosΓ© L. ;Seoane, Carlos ;Soto, JosΓ© L. ;Morales, Margar
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Article
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1991
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John Wiley and Sons
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English
β 293 KB
π 1 views
## Abstract A simple oneβstep synthesis of 2βaminoβ4βarylβ5βoxoβ4__H__βfuro[3,4β__b__]pyranβ3βcarbonitriles 7 is described. It involves reaction of 2,4(3__H__,5__H__)βfurandione (Ξ²βtetronic acid) (5) with arylmethylenemalononitriles 4 in basic medium. Some substituent effects are noted and the assi