Aminocyclohexyl Esters 3993 wave lengths. However, it is noteworthy that the oxidation-reduction potential of pheohemin a which has no formyl side chain was found to be more positive than that of spirographishemin.Pheohemin b has been found to have a more positive oxidation-reduction potential than pheohemin a and also to be more effective as an oxida-tive catalyst. These results suggest that this difference in catalytic activity may be due to the presence of the formyl group which may also account for the high oxidative activity of cytochrome oxidase.
Chicago, Illinois
The authors wish to express their thanks and gratitude to Messrs P. Sadtler and Son, Inc., Research Laboratories, Philadelphia, U.S.A., for kindly carrying out the infrared spectrograms. The infrared ABBASSIA, CAIRO, EGYPT measurements of Ia were also carried out by l l r , Nagib Doss, Chemistry Department, Ohio State University, E.S.A., t o whom we are highly indebted.A\minophen>-lethanuls of the types I and 11, and the corresponding halides were required as svnthetic intermediates. The alcohols of the type I were prepared by condensation of styrene oxide and secondary amines, while the alcohols of the type I1 were prepared by amination of 2-bromo-2-phenylethanol. Treatment of the alcohols I or 11 with thionyl chloride in ether afforded the identical chloride which in the instance of the isomeric pyrrolidino alcohols proved to be 1-(2-chloro-2-phenJ-lethyl)-pyrrolidine hydrochloride.
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