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An unusual substitution reaction of an aromatic sulfonic group based on 3-carbonyl-4-phenolsulfonic acid

✍ Scribed by Wang, Yun-Ming; Tang, Bing-Tao; Ma, Wei; Zhang, Shu-Fen; Zhao, De-Feng


Book ID
121503398
Publisher
Chinese Electronic Periodical Services
Year
2013
Tongue
English
Weight
537 KB
Volume
24
Category
Article
ISSN
1001-8417

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## Abstract The 1 : 1 imine intermediate **7** generated by the addition of a primary amine **2** to chloroacetone (**1**) is trapped by (isocyanoimino)triphenylphosphorane (**4**) in the presence of an aromatic carboxylic acid **3** and leads to the formation of the corresponding iminophosphorane