HCID 86750886, compound → HCID 70303321, compound

Participants

Reaction Steps

By following the procedure of Example ZA-6A and substituting methyl (E)-6-(1,3-dihydro-4-hydroxy-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl) 2,4-dimethyl-4-hexenoate with ethyl (E)-6-(1,3-dihydro-4-hydroxy-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl)-3-methoxy-4-methyl-4-hexenoate and the corresponding compounds of Formula I-ZA-M1 prepared as described in Part A above, there are obtained (E)-6-(1,3-dihydro-4-hydroxy-6-methoxy-7-methyl-3-oxoisobenzofuran-5-yl)-3-methoxy-4-methyl-4-hexenoic acid, m.p. 133°-135° C. (hexane/methylene chloride) and the corresponding compounds of Formula I-ZA-M2 as identified in the following table.

Provenance & Evidence