A facile access to indigodianiles
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Christiane KΓΌhn; Rainer Beckert; Manfred Friedrich; Helmar GΓΆrls
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Article
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2006
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Journal of Heterocyclic Chemistry
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English
β 379 KB
## Abstract magnified image __Bis__βimidoylchlorides derived from oxalic acid can easily be transformed into the corresponding __bis__βimino benzotriazoles. The fact that benzotriazole is a wellβestablished leaving group has been exploited for an improved synthesis of indigodianiles. Employing met