HCID 67690831, compound → HCID 9926785, compound

Participants

Reaction Steps

Using the procedure of Example 2G with methanol as solvent at room temperature, the compound of step A (700 mg, 2.16 mmole) was reduced and the trans isomer 4-hydroxy-3-phenylmethyl-2H-1-benzopyran-7-propionic acid methyl ester saponified using the procedure of Example 2I to give the title compound (210 mg), 30% yield.

Provenance & Evidence