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Iodine-Catalyzed Synthesis of Spiro[1,3,4-benzotriazepine-2,3′-indole]-2′,5(1 H ,1′ H )-diones under Mild Conditions

✍ Scribed by Alizadeh, Abdolali; Mokhtari, Javad

Book ID
125484201
Publisher
John Wiley and Sons
Year
2014
Tongue
German
Weight
179 KB
Volume
97
Category
Article
ISSN
0018-019X

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## Abstract An auto oxidation‐rearrangement product 4 was isolated from a high dilution reaction of ninhydrin with 3,4,5‐trimethoxyaniline in water. A general synthesis of this compound and its derivatives 4–6 was devised by oxidation of tetrahydroindeno[1,2‐__b__]indol‐10‐ones 1–3 with sodium peri