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Publikováno v:
Mendeleev Communications. 18:153-155
The addition of dialkyl acetylenedicarboxylate and 1,2-dibenzoylacetylene to trans-(1R,2R)-diaminocyclohexane afforded quinoxaline derivatives. The reaction of trans-(1R,2R)-N,N’-diisopropyldiaminocyclohexane with dimethyl acetylenedicarboxylate ga