1919
DOI: 10.1002/cber.19190520816
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Über die Umwandlung der Aniline in Cyclohexylamine und die Isomerie dieser Basen

Abstract: A. Skita und W. Berendt: a e r die Urnwandlung der Aniline in Cyclohexylamine and die Isomerie dieeer Baaen').[bus dem Chem. Inistitut der Universitiit Freiburg i. Br.] (Eingegangen am 8. Juli 1919.) J. H o u b e n und A. Pfaua) bemerken in ihrer Abhandlung iiber die katalytische Wnsserstoff-AnlaRerung an oxyund Amino-henzoesluren, daB diese Reduktionsmethode Weder beim Anilin, noch beim Phenol zufriedenstellende Resultate erglbe, da unter partieller Ammoniak-bezw. Wasser-Abspaltung neben dem Cyclohexylamiu un… Show more

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Cited by 27 publications
(6 citation statements)
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“…The Pt catalyst (Ptcolloidal) system was first introduced by Skita's group in 1919 as an efficient catalyst for the hydrogenation of anilines. 142 One year later, Skita and Keil published the amination of aldehydes and ketones with aqueous NH 3 using the same colloidal Pt solution as a catalyst (Scheme 74B). 143 Highermolecular-weight aldehydes (citral and heptanal) led to the formation of secondary amines, while the use of lowermolecular-weight aldehydes (acetaldehyde and propionaldehyde) led to the formation of tertiary amines.…”
Section: Reductive Amination Using Heteregeneous Transition Metal Cat...mentioning
confidence: 99%
See 1 more Smart Citation
“…The Pt catalyst (Ptcolloidal) system was first introduced by Skita's group in 1919 as an efficient catalyst for the hydrogenation of anilines. 142 One year later, Skita and Keil published the amination of aldehydes and ketones with aqueous NH 3 using the same colloidal Pt solution as a catalyst (Scheme 74B). 143 Highermolecular-weight aldehydes (citral and heptanal) led to the formation of secondary amines, while the use of lowermolecular-weight aldehydes (acetaldehyde and propionaldehyde) led to the formation of tertiary amines.…”
Section: Reductive Amination Using Heteregeneous Transition Metal Cat...mentioning
confidence: 99%
“…The reactions were carried out in ethanol at room temperature. The Pt catalyst (Pt-colloidal) system was first introduced by Skita’s group in 1919 as an efficient catalyst for the hydrogenation of anilines …”
Section: Reductive Amination Using Heteregeneous Transition Metal Cat...mentioning
confidence: 99%
“…6 The tertiary amines used in this work were either obtained commercially or prepared by the method of Clarke, et al (2), except in the case of tropine, which was obtained by the hydrolysis of atropine. 8 A generous sample of this material was kindly supplied by the Rohm & Haas Chemical Co. 7 A slight modification of this procedure is described in literature supplied by the Rohm & Haas Chemical Co. Upon recrystallization from ether an intermediate product was obtained which had m.p.…”
Section: Secondary Amines Obtained In the Potassium Ferricyanidementioning
confidence: 99%
“…180-181°( crystallized from ethyl acetate). 1,8, (II). The methylation of 11.2 g. of 2,6-dimethylpiperidine (b.p.…”
mentioning
confidence: 99%
“…Sabatier and Mailhe (23) prepared cyclohexylamine and dicyclohexylamine in 1912 by reacting cyclohexanol with ammonia fas, using thorium dioxide as a dehydrating agent. In 1919 kita and Berendt (26) used colloidal platinum as a catalyst and hydrogenated aniline in acetic acid solution, controlling the ratio of cyclohexylamine to dicyclohexylamine by adding hydrochloric acid to the catalyst. Mailhe (21) prepared the amines in 1922 by refluxing hydrazine hydrate and cyclohexanone and hydrogenating the resulting mixture of hydrazones and ketazines.…”
mentioning
confidence: 99%