University of St Andrews, School of Chemistry and Centre for Biomolecular Sciences, North Haugh, St Andrews, Fife, KY16 9ST, UK.
Chem Commun (Camb). 2011 Aug 7;47(29):8265-7. doi: 10.1039/c1cc13016a. Epub 2011 Jun 28.
Preparation of the all-syn isomer of 1,2,3,4-tetrafluorocyclohexane is reported; X-ray structural studies shows a conformation with two of the C-F bonds oriented 1,3-diaxial to each other and (19)F-NMR reveals a through space diaxial (4)J(FF) coupling constant of 29 Hz.
全顺式 1,2,3,4-四氟环己烷的制备得到了报道；X 射线结构研究表明，其构象中两个 C-F 键彼此 1,3-二轴向取向，并且 (19)F-NMR 揭示了一个通过空间二轴向 (4)J(FF)耦合常数为 29 Hz。
