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On Ferrocene Derivatives. XXI. Elucidation of the Structures of Various Acetylated Derivatives of Ferrocene by Infrared Spectroscopy

A. Perjéssy and Š. Toma

Department of Organic Chemistry, Faculty of Natural Sciences, Komenský University, Bratislava 1

 

Abstract: The investigation of 77 ferrocene derivatives by infrared spectroscopy showed that the rule of Rosenblum is valid for all monosubstituted and l,l'-disubstituted derivatives. When acetyl group is one of the substituents in an l,l'-disubstituted compound, a moderately intense absorption band appears in the 1113—1122 cm-1 region. The presence of this band could be used as a proof of the l,l'-disubstitution in ferrocene, even when an additional ferrocene radical possessing one ring unsubstituted is a part of the molecule. In such cases the rule of Rosenblum does not enable to distinguish 1,1'-, 1,2- or 1,3-dispositions of substituents of a monoacetyl derivative.

Full paper in Portable Document Format: 237a533.pdf

 

Chemical Papers 23 (7) 533–539 (1969)

Tuesday, October 20, 2020

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