Heterocyclic Compounds
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ChemInform Abstract: trans-Fused Crown Ethers from 2,5-O-Methylene-D-mannitol: Synthesis, X- Ray Diffraction Structure and Full Nuclear Magnetic Resonance Spectroscopic Data of 1,6-Diazido-1,6-dideoxy-2,5-O-methylene-3,4-O- naphthalene-2,3-diylbis(oxyethyleneoxyethylene)-D-mannitol and 3,4-Di- O-acetyl-1,6-diazido-1,6-dideoxy-2,5-O-methylene-D-mannitol.
First published: March 12, 1996
Abstract
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ChemInform Abstract
The title compound (I), prepared from D-mannitol in 6 steps, exists in a distorted chair conformation. The anomalous lack of complexing abilities of (I) and most related macrocycles towards phenylglycine methyl ester perchlorates can be explained by the rigidity of the dioxepane framework around the C-3/C-4 axis of D-mannitol.
