8-Bromo-2,6-dimethyloct-2-ene → 3-{6-[2-(4-methoxycarbonylphenyl)-ethinyl]-3-[(3RS)-3,7-dimethyl-6-octenyloxy]-2-pyridyl}-propionic acid methyl ester

Beteiligte Stoffe

Reaktionsschritte

Under the conditions of example 1 D, 500 mg of 3-{3-hydroxy-6-[2-(4-methoxycarbonylphenyl)-ethinyl]-2-pyridyl}-propionic acid methyl ester is reacted with 354 mg of 1-bromo-(3RS)-3,7-dimethyl-6-octene, worked up, and the crude product is chromatographed on silica gel with hexane/0-10% ethyl acetate. 522 mg of 3-{6-[2-(4-methoxycarbonylphenyl)-ethinyl]-3-[(3RS)-3,7-dimethyl-6-octenyloxy]-2-pyridyl}-propionic acid methyl ester is obtained as yellow oil.

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