A Novel Ring Transformation of Nitrobenzocrown Ethers as a Route to Nitrobenzoazacrown Compounds

Abstract

A method for the synthesis of previously unknown nitro derivatives of benzoazacrown compounds in which nitrogen is conjugated with the benzene ring, based on readily available benzocrown ethers used as synthons, has been developed. This approach can serve as a useful tool in the synthesis of diverse benzoazacrown derivatives.

ring opening - crown compounds - podands - ring closure - nitrobenzoazacrown compounds

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