FERROCENE COMPOUNDS .24. SYNTHESIS AND REACTIONS OF SOME OMEGA,OMEGA'-(1,1'-FERROCENYLENE)BIS(THIAALIPHATIC ACIDS)

Citation
S. Lisac et al., FERROCENE COMPOUNDS .24. SYNTHESIS AND REACTIONS OF SOME OMEGA,OMEGA'-(1,1'-FERROCENYLENE)BIS(THIAALIPHATIC ACIDS), Croatica chemica acta, 70(4), 1997, pp. 1021-1037
Citations number
14
Categorie Soggetti
Chemistry
Journal title
ISSN journal
00111643
Volume
70
Issue
4
Year of publication
1997
Pages
1021 - 1037
Database
ISI
SICI code
0011-1643(1997)70:4<1021:FC.SAR>2.0.ZU;2-N
Abstract
Condensations of several alpha,alpha'-disubstituted 1,1'-ferrocenylene biscarbinals (1) with mercaptoethanoic acid, 3-mercaptopropanoic acid or 3-acetylthio-2-methylpropanoic acid in the presence of trifluoroace tic acid have given the corresponding 1,1'-ferrocenylenebisthiaaliphat ic acids (2-4) in 49-90% yields. Reactions of acids 2-4 with trifluoro acetic anhydride yielded 15-29% of trans-2-oxa[3]ferrocenophanes (tran s-8), 7-13% of [2,2]ferrocenophanes (9) and 8-15% of the ethanoferroce nylene oligomers (10). The mechanism of the reactions is discussed.