1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 3-[(3R,4S)-3-hydroxytetrahydro-2H-pyran-4-yl]-6-[(6-isopropenylpyridin-3-yl)methyl]benzo[h]quinazolin-4(3H)-one

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Reaction Steps

3-[(3R,4S)-3-Hydroxytetrahydro-2H-pyran-4-yl]-6-[(6-isopropenylpyridin-3-yl)methyl]benzo[h]quinazolin-4(3H)-one was prepared by the procedure described for the synthesis of 3-[(3R,4S)-3-Hydroxytetrahydro-2H-pyran-4-yl]-6-{[6-(1-methyl-1H-pyrazol-4-yl)pyridine-3-yl]methyl}benzo[h]quinazolin-4(3H)-one in Example 4, substituting isopropenylboronic acid pinacol ester for 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole.

Provenance & Evidence