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An X-ray study of a 12-crown-4 host-guest complex. Crystal structure of the 4∶6 complex between 12-crown-4 and aminosulfuric acid

✍ Scribed by Yurii A. Simonov; Marina S. Fonari; Alexander A. Dvorkin; Tadeush I. Malinovski; Janusz Lipkowski; Edward V. Ganin

Publisher: Springer Netherlands
Year: 1993
Tongue: English
Weight: 614 KB
Volume: 16
Category: Article
ISSN: 0923-0750
DOI: 10.1007/bf00708712

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## Abstract A series of monoaza‐15‐crown‐5 ethers (2b‐2h) having 4′‐hydroxy‐3′,5′‐disubstituted benzyl groups have been prepared by the Mannich reaction of 2,6‐disubstituted phenols with the corresponding __N__‐methoxymethylmonoaza‐crown ethers. Competitive transport through a chloroform membrane b