Methyl 5-bromo-2,2-dimethylpentanoate → rac-(E)-5-[2-(3-Methoxy-3-oxo-1-propenyl)-3-[6-[(tetrahydro-2H-pyran-2-yl)oxy]-1-hexynyl]phenoxy]-2,2-dimethylpentanoic Acid Methyl Ester

Participants

Reaction Steps

Using the procedure of example 122, rac-(E)-3-[2-hydroxy-6-[6-[(tetrahydro-2H-pyran-2-yl)oxy]-1-hexynyl]phenyl]-2-propenoic acid methyl ester (example 121) was alkylated with methyl 5-bromo-2,2-dimethylpentanoate giving the title compound, in 92% yield, as a colorless oil.

Provenance & Evidence