## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthesis of Dibenzo-18-crown-6-bridged Dihydroxamic Acids.
✍ Scribed by Hongbo Li; Wei Zeng; Shengying Qin
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 56 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The synthesis and characterization of novel Schiff base liquid crystalline crown ethers prepared from the intermediates 4‐(4′‐alkoxylbiphenyl‐4‐carbonyl) benzaldehyde, __cis‐__ and __trans__‐4,4′‐diaminodibenzo‐18‐crown‐6 are described. The structure of these compounds have been well ch
## Abstract This study represents a facile synthesis of building blocks (**1–3**) of crown ethers and amine precoursers (**4a‐d**). The study also involves synthesis of mono and dibenzo __N, N__‐disubstituted diaza 18‐crown‐6 derivatives with high yield without chromatographic purification and high