Croatica Chemica Acta, Vol. 67 No. 4, 1994.
Original scientific paper
Ferrocene Compounds. XXI. Synthesis of Some β-Aryl-β-ferrocenylpropionic Acids and β,β-(1 ,1'-Ferrocenylene)bis(β-arylpropionic Acids)
Srđan Lisac
; Faculty of Food Technology and Biotechnology, University of Zagreb, 41000 Zagreb, Croatia
Vladimir Rapić
; Faculty of Food Technology and Biotechnology, University of Zagreb, 41000 Zagreb, Croatia
Spomenka Kovač
; Faculty of Food Technology, University of Osijek, 54000 Osijek, Croatia
Abstract
Reaction of several a-substituted ferrocenylmethanols 1 with diethyl malonate gave condensation products 3, which were hydrolized and decar- boxylated to p-ferrocenylbutyric acid (6a) and p-aryl-p-ferrocenylpropionic acids (6b-6e). Similarly, starting from a,a'-disubstituted l,l'-ferrocenylene- bismethanols 2 p,p-(l,l'-ferrocenylene)bis(butyric acid) (11a) and P,P-(1,1'- ferrocenylene)bis(p-arylpropionic acids) (llb-lle) have been obtained via 8 and 9. The mechanism of these condensation reactions which includes transesterification of diethyl malonate with carbinols 1 and 2 has been proposed.
Keywords
Hrčak ID:
136775
URI
Publication date:
1.12.1994.
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