The trans,anti,trans- and trans,syn,trans-isomers of dicyclohexyl-18-crown-6 and their complexes
β Scribed by Burden, Ian J.; Coxon, Andrew C.; Stoddart, J. Fraser; Wheatley, Colin M.
- Book ID
- 120227513
- Publisher
- Royal Society of Chemistry
- Year
- 1977
- Weight
- 963 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1472-7781
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π SIMILAR VOLUMES
Stereocontrolled asymmetric synthesis and transannular Diels-Alder (TADA) reaction of a 14-membered transcis-cis (TCC) macrocyclic trienone with an activated dienophile leading to an A.B.C [6.6.6] tricycle having one angular methyl group is reported. The results of thermal and Lewis acid catalyzed T
Stereospecific syntheses of the cis-trans-isomer of dicyclohexano-18-crown-6 allows the K + complexation behavior of all five dicyclohexano-18-crown-6 isomers to be compared.
Chiral trans-anti-trans-dicyclohexano-18-crown-6 isomers are synthesized via a lipase-catalyzed reaction. The solidstate structure of the (S)-enantiomer is determined and compared with those reported for 18-crown-6 and trans-syn-trans-dicyclohexano-18-crown-6.