## Abstract The chromatographically pure products, gained on the suppression of polymerisation of __p__‐tolyl or 4‐cyclohexylphenyl methacrylates (**1, 2**) by a great excess of 2‐cyano‐2‐propyl radicals, could be isolated in a total yield of 95 to 100%. The structure of these products was establis
Zur struktur der produkte der reaktion von 2-cyano-2-propylradikalen mit 1,4-benzochinon
✍ Scribed by Gleixner, Günther ;Breitenbach, Johann Wolfgang ;Olaj, Oskar Friedrich
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1978
- Weight
- 267 KB
- Volume
- 179
- Category
- Article
- ISSN
- 0025-116X
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✦ Synopsis
Abstract
The products of the reaction of 2‐cyano‐2‐propyl radicals with 1,4‐benzoquinone in toluene solution have been investigated by ^1^H NMR spectroscopy and mass spectroscopy. In agreement with the findings of Bickel and Waters the main reaction products are the hydroquinone monoether 1 and the hydroquinone diether 2. In addition two ringsubstituted products, 5 and 6, have been obtained. The structures 3 and 4, which have been proposed for the main products by Yassin and Rizk, are shown to be in error.
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## Abstract Aus 3‐Acetyl‐2,5‐dianilino‐1,4‐benzochinon **(1a)** und N^1^‐Phenylbenzamidin **(2a)** entsteht als Hauptprodukt 4,6‐Dianilino‐2‐phenylchinolin‐5,8‐chinon **(3a)**, daneben in geringer Menge 4,8‐Dianilino‐2‐phenylchinolin‐5,6‐chinon **(4)**, 4‐Acetyl‐6‐anilino‐5‐hydroxy‐2‐phenylbenzoxaz
## Abstract Die 1.2.4‐Triazine **4a** – **c**, **e** – **j**, die in 5‐Stellung unsubstituiert und eventuell in 3‐ und/oder 6‐Stellung durch Alkyl‐ oder Arylgruppen substituiert sind, werden durch Perbenzoesäure zu 1.2.4‐Triazinonen‐(5) (**5a** – **c, 5e** – **j**) oxidiert. Die 1.2.4‐Triazine **4e