1992
DOI: 10.1002/jlac.199219920160
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Oxidationen an Thiourethanen, 10. Synthese, Kristallstruktur, Oxidation und Photochemie der Thion‐S‐oxide cyclischer Dithiourethane und Dithiocarbazate

Abstract: Oxidations of Thiourethanes, 1Orl1. -Synthesis, Crystal Structure, Oxidation and Photochemistry of Thione S-Oxides of Cyclic Dithiourethanes and DithiocarbazatesSeveral cyclic dithiocarbamates and dithiocarbazates (2 -4) responding 0x0 as well as the thioxo derivatives. The isolation have been oxidised with mCPBA to give the corresponding of both the 0x0 and the thioxo derivatives is reported here for thione S-oxides 5 -7 . The sulfine structure was confirmed by the first time, it provides an other evidence fo… Show more

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Cited by 15 publications
(2 citation statements)
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“…The 1 H NMR spectrum of the mixture of the two geometric isomers of 4d indicated two singlets at 8.16 and 6.91 ppm with a ratio of 2 to 1, for their olefinic protons of their Z and E isomers, respectively. The olefinic proton of Z isomer appeared at higher frequency (8.16 ppm) that of the E isomer (6.91 ppm) as reported previously [25,26]. It could be due to the anisotropy effect of the carbonyl group with the vicinal proton in Z-geometry.…”
Section: Resultssupporting
confidence: 78%
“…The 1 H NMR spectrum of the mixture of the two geometric isomers of 4d indicated two singlets at 8.16 and 6.91 ppm with a ratio of 2 to 1, for their olefinic protons of their Z and E isomers, respectively. The olefinic proton of Z isomer appeared at higher frequency (8.16 ppm) that of the E isomer (6.91 ppm) as reported previously [25,26]. It could be due to the anisotropy effect of the carbonyl group with the vicinal proton in Z-geometry.…”
Section: Resultssupporting
confidence: 78%
“…Considerable attention has been drawn to the condensation reaction between 3‐aminothiazolidine‐2‐thion‐4‐one (3‐aminorhodanine, 16 ) and both aldehydes and ketones to give 3‐alkylidene and/or arylidene rhodanines . The reaction of 1 with 16 afforded the condensation product 2‐(3‐amino‐4‐oxo‐2‐thioxothiadi‐azolidine‐5‐ylidene)‐1,3‐indanedione 17 via a nucleophilic attack of the rhodanine methylene function on the dicyanomethylene carbon atom of 1 , followed by elimination of a molecule of malononitrile (Scheme ) .…”
Section: Reactions Of 2‐dicyanomethylene‐13‐indandionementioning
confidence: 99%