1977
DOI: 10.1002/chin.197701221
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ChemInform Abstract: SYNTHESIS OF AROMATIC BIS(O‐CYANO)DIAMINES

Abstract: Aus den Dioximen (I) entstehen unter der Einwirkung von Tosylchlorid in siedendem Dioxan durch eine Beckmann‐ Umlagerung 2. Ordnung die Dicyandiamine (II) (H‐NMR‐Spektren), daneben auch geringe Mengen der N‐Tosyl‐Derivate (Ausbeute 7‐11%).

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“…Under Beckmann rearrangement conditions, O-tosyl oximes furnish the cyanoanilines 219 , while the parent oxime gives the intermediate 2-cyanophenylisocyanate 220 . When the O-acetyl oximes are reacted with sodium azide, cyanoanilines are also produced 221 .…”
Section: Scheme 49mentioning
confidence: 99%
“…Under Beckmann rearrangement conditions, O-tosyl oximes furnish the cyanoanilines 219 , while the parent oxime gives the intermediate 2-cyanophenylisocyanate 220 . When the O-acetyl oximes are reacted with sodium azide, cyanoanilines are also produced 221 .…”
Section: Scheme 49mentioning
confidence: 99%