2',3'-Difluoro-4'-(5,5,6,6,7,7,8,8,8-nonafluoro-octyloxy)-biphenyl-4-carboxylic acid → 2',3'-Difluoro-4'-(7,7,8,8,9,9,10,10,10-nonafluoro-decyloxy)-biphenyl-4-carboxylic Acid

Beteiligte Stoffe

Reaktionsschritte

2′,3′-Difluoro-4′-(7,7,8,8,9,9,10,10,10-nonafluoro-decyloxy)-biphenyl-4-carboxylic acid (14B) was prepared from 2′,3′-difluoro-4′-(7,7,8,8,9,9,10,10,10-nonafluoro-decyloxy)-biphenyl-4-carboxylic acid ethyl ester (13B) as described in the preparation 2′,3′-difluoro-4′-(5,5,6,6,7,7,8,8,8-nonafluoro-octyloxy)-biphenyl-4-carboxylic acid (14 A) yielding 2′,3′-difluoro-4′-(7,7,8,8,9,9,10,10,10-nonafluoro-decyloxy)-biphenyl-4-carboxylic acid (14B) as a white solid (88%).

Herkunft & Nachweise