tert-Butyl 8-bromooctanoate → 3-{3-[3-(7-tert-butoxycarbonylheptyloxy)-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl]-4-methoxyphenyl}acrylic Acid

Participants

Reaction Steps

In a manner similar to that of Example 1(a), by reaction of 3.82 g (9.34 mmol) of ethyl 3-[3-(3-hydroxy-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl]-4-methoxyphenyl}acrylate obtained in Example 13(f) with 3 g (10.7 mmol) of tert-butyl 8-bromooctanoate obtained above, 4.36 g (77%) of the expected compound were obtained in the form of a yellow oil.

Provenance & Evidence