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Synthesis of a series of chiral aza crown ethers ((S,S)-1, 5-bis (4-alkyl-5-hydroxy- 2-oxo-3-azapentyl)-1, 5-diazacyclooctane) are described.
Synthesis of a series of chiral aza crown ethers ((S, S) -1, 5-bis (4-alkyl-5-hydroxy- 2 -oxo-3-azapentyl) -1,5-diazacyclooctane) are described.