1917
DOI: 10.1002/cber.19170500115
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Stereochemie der Rhodanine. I

Abstract: hol Krystalle voni Schrnp. G 2 O liefert. Diese Substanz ist identisch rnit den1 bekannten 1-P h e u y 1-3.5-din1 e t h p 1-4-b e n z o l a z o-p p r azol]). E;s entsteht auch beirn Kochen des Phenylhydrazons mit essigsaurern Phenylhydraziu 2, und auch aus Benzolazo-acetylacetonamio heirn Erhitzen rnit Phenylhydrazln im 6lbade auf 130° oder Erwiirmen mit essigsnureni Ph~nylhydraziu. 13. S t e n Kallenberg: Stereochemie der Rhodanine. I. (Eingcgangcu am 6. Noveinbar 1916.) Der erste Vertreter der Rhodnnine wurd… Show more

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Cited by 11 publications
(2 citation statements)
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“…In the rhodanine series, the reaction of active di-( -carboxyethyl) trithiocarbonate with ammonia (312) produces inactive 5-methylrhodanine; with aniline (346) it yields inactive 5-methyl-3-phenyIrhodanine, while Z-bromosuccinamidic acid and ammonium phenyldithiocarbamate form inactive 5-carboxamidomethyl-3-phenylrhodanine. Lack of optical activity in the cyclized product was attributed to the rapid establishment of equilibrium between the tautomeric forms.…”
Section: B Infrared Spectramentioning
confidence: 99%
“…In the rhodanine series, the reaction of active di-( -carboxyethyl) trithiocarbonate with ammonia (312) produces inactive 5-methylrhodanine; with aniline (346) it yields inactive 5-methyl-3-phenyIrhodanine, while Z-bromosuccinamidic acid and ammonium phenyldithiocarbamate form inactive 5-carboxamidomethyl-3-phenylrhodanine. Lack of optical activity in the cyclized product was attributed to the rapid establishment of equilibrium between the tautomeric forms.…”
Section: B Infrared Spectramentioning
confidence: 99%
“…Confirmation of structure was obtained from the nmr spectrum (values in ppm, downfield from TMS) in CDCI3, which shows two peaks of equal intensity, at 4.22 ppm (CH2) (calculated for (8) Melting points were observed in open glass capillary tubes in a stirred silicone bath, and the readings are corrected. Elemental analyses were performed at the Department of Chemistry, University of Virginia, Charlottesville, Va., except the analysis of 3,4,5-triiodobenzyl bromide, which was^performed by Galbraith Laboratories, Inc., Knoxville, Tenn.…”
mentioning
confidence: 94%