1893
DOI: 10.1039/ct8936301395
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CII.—The oxidation of paratoluidine

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Cited by 5 publications
(17 citation statements)
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“…Hydrolysis of the trimer 1 to the dimer 3 has already been reported by Green 11 and we verified this. Treatment of the trimer 1 with p-toluidine hydrochloride in refluxing MeOH for 2 h or with p-toluidine hydrochloride and K 2 Cr 2 O 7 in H 2 O gave none of the tetramer 2.…”
Section: Discussionsupporting
confidence: 88%
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“…Hydrolysis of the trimer 1 to the dimer 3 has already been reported by Green 11 and we verified this. Treatment of the trimer 1 with p-toluidine hydrochloride in refluxing MeOH for 2 h or with p-toluidine hydrochloride and K 2 Cr 2 O 7 in H 2 O gave none of the tetramer 2.…”
Section: Discussionsupporting
confidence: 88%
“…1). 11 Perkin performed this reaction at room temperature and obtained trimer 1 and some tetramer 2. 1 However, the oxidation of p-toluidine in dilute sulfuric acid with K 2 Cr 2 O 7 at 60 °C gives a different less polar product (entry 3).…”
Section: Discussionmentioning
confidence: 99%
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“…KMnO 4 , used originally byBarsilowsky,48 gives only a trimer 35, whereas K 2 Cr 2 O 7 , used by Perkin,15 and Green,49 can give almost exclusively a trimer 35, just a tetramer 36, or a mixture of both (Scheme 13).To help clear up any confusion in the literature we characterised the trimer 35 and tetramer 36 by X-ray single crystal structure determinations(Fig. 7).Cr 2 O 7 /H + /H 2 O/acetone Scheme 13 The trimer 35 and tetramer 36 formed by the oxidation of p-toluidine.…”
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confidence: 99%