11-[(3RS,4RS)-3-ethyl-7-hydroxy-3-(4-hydroxyphenyl)chroman-4-yl]-2-(7,7,8,8,8-pentafluorooctyl)-undecanoic acid → 10-[(3RS,4RS)-3-ethyl-7-hydroxy-3-(4-hydroxyphenyl)chroman-4-yl]-2-(6,6,7,7,7-pentafluoroheptyl)decanoic acid

Beteiligte Stoffe

Reaktionsschritte

Starting with the allyl compound prepared in Example 21 and the ethyl 2-(6,6,7,7,7-pentafluoroheptyl)-8-nonenoate prepared in Example 11, the same procedure as shown in Example 21 was repeated to give 10-[(3RS,4RS)-3-ethyl-7-hydroxy-3-(4-hydroxyphenyl)chroman-4-yl]-2-(6,6,7,7,7-pentafluoroheptyl)decanoic acid.

Herkunft & Nachweise