HCID 9950430, compound → HCID 19813412, compound

Participants

Reaction Steps

The procedure of reaction, treatment and purification of Example 5 were repeated except that 7.6 g (0.02 mol) of 3,5-diisopropoxycarbonyl-1,4-dihydro-2,6-dimethyl-4-(3-ethynylphenyl)pyridine obtained in Example was employed instead of 3,5-diethoxycarbonyl-1,4-dihydro-2,6-dimethyl-4-(3-ethynylphenyl)pyridine employed in Example 5 to give 1.4 g of the desired compound (yield: 20%).

Provenance & Evidence