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Crown ether ammonium ion based rotaxane type hydrogen bonded complexes two threads linking two rings.

Crown ether appended porphyrins and meso-meso linked porphyin dimers.

Crown ether arborols reported by Shinkai et al.

Crown ether coinplexation of a range of cationic guests .

Crown ether complexes.

Crown ether cyclophane binds squaraine dye only in the presence of sodium cations

Crown ether hosts used as second-sphere ligands for transition metal complex guests

Crown Ether Modification of Poly 10

Crown ether phthalocyanine 117 with redox-active tetrathiafulvalene groups

Crown ether phthalocyanines 114 with different substituents in the central core

Crown ether phthalocyanines 118 as sensor materials for NQ2

Crown ether, 36-crown-12

Crown ether-catalyzed asymmetric epoxidation.

Crown ether-catalyzed Darzens condensation.

Crown ether-cation binding modes multiple cations.

Crown ether-decorated carbosilane

Crown ether-induced asymmetric Michael addition of 2-nitropropane to chalcones.

Crown ether-induced asymmetric Michael addition of a glycine enolate.

Crown ethers

Crown ethers a hexaoxaoctadecane complex of dicyclohexyl-18-crown-6 with potassium salt.

Crown ethers and related compounds reported prior to 1960

Crown ethers identified by chemical ionization mass spectroscopy for EO THF polymerization using Nafion perfluorosulfonic acid resin as catalyst.

Crown fade in untreated control trees used in SPLAT Verb pilot study.

Crown formation during polymerization

Crown gall on a tomato shoot .



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