4-methoxy-2,5-dihydro-1H-pyrrol-2-one → 6-cyano-3,4-dihydro-2,2-dimethyl-trans-3-hydroxy-4-(4-methoxy-2-oxo-3-pyrrolin-1-yl)-2H-1-benzopyran

Beteiligte Stoffe

Reaktionsschritte

Similarly, optionally replacing 6-cyano-3,4-dihydro-2,2-dimethyl-3,4-epoxy-2H-1-benzopyran with the appropriate compound of formula (2), and optionally replacing 4-methoxy-3-pyrrolin-2-one with the appropriate compound of formula (3), the following compounds of formula (I) are prepared:

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