Substituent Effects on the Populations of Rotational Isomers in 9-(Aryloxymethyl)-1,4-dimethyltriptycenes. Implications for the Presence of CH3...O Hydrogen Bond

DOI: 10.1246/cl.1986.1619

Source and publish data:

Chemistry Letters p. 1619 - 1622 (1986)

Update date:2022-09-26

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Authors:

Tamura, Yoshio

Yamamoto, Gaku

Oki, Michinori

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Article abstract of DOI:10.1246/cl.1986.1619

The population ratios +/-sc/ap in 9-(aryloxymethyl)-1,4-dimethyltriptycenes were determined by (1)H NMR spectroscopy.Whereas electron-withdrawing substituents favor the ap rotamer , electron-donating substituents favor the +/-sc rotamer in a relative sens

Full text of DOI:10.1246/cl.1986.1619

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