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  • Title: Synthesis and characterisation of macrocyclic diamino chiral crown ethers.
    Author: Correa WH, Scott JL.
    Journal: Molecules; 2004 May 31; 9(6):513-9. PubMed ID: 18007450.
    Abstract:
    A benign and efficient synthesis of chiral macrocyclic 'aza-crown' ethers of varying ring size is reported. The synthesis involves a Schiff base condensation of ether linked dialdehydes of varying chain length and (1R,2R)-(-)-1,2-diaminocyclohexane under mild conditions to yield the macrocycles, which are subsequently reduced to yield the diamino analogues.
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