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The reaction of 2,3-dichloro-1,4-naphthoquinone with potassium cyanate yields the appropriate quinonyl monoisocyanate. When the reaction is performed in the presence of alcohol, the corresponding novel N-quinonyl carbamates are obtained.

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2002quinones quinones (naphthalene compounds) Q 0910 -121N,N-Bis(quinonyl)amines; Synthesis and X-Ray Structure.-A new general route for the preparation of both symmetrical and nonsymmetrical bis(quinonyl) derivatives is found. Primary or secondary amino quinones react with various haloquinones or with unsubstituted quinines under very mild conditions to afford the appropriate bis(quinoyl)amines in good yields. The new compounds are characterized using common spectroscopic methods as well as X-ray crystallography. -(BITTNER, SHMUEL; MEENAKSHI,

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