Preparation and thermal behavior of 3,3,4,4-tetrafluorocyclobutane-1,2-diols: A new family of cyclobutane-1,2-diols

Chemistry Letters

Volumn , Issue 12, 2000, Pages 1366-1367

  Kobayashi, Satoru ^a   Yamamoto, Youko ^a   Amii, Hideki ^a   Uneyama, Kenji ^a  

^a OKAYAMA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0034561767     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2000.1366     Document Type: Article

References (14)

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4. E. E. Lewis and M. A. Naylor, J. Am. Chem. Soc., 69, 1968 (1947).
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6. G. Fuller and J. C. Tatlow, J. Chem. Soc., 1961, 3198.
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8. K. Uneyama, G. Mizutani, K. Maeda, and T. Kato, J. Org. Chem., 64, 6717 (1999).
9. H. Amii, T. Kobayashi, Y. Hatamoto, and K. Uneyama, Chem. Commun., 1999, 1323.
10. Generally, intermolecular [2+2] cycloaddition of α,α-difluoroolefins occurs when heating at 100-700 °C, see ref 1.
11. 3, 188 MHz) of cis-3a: δ (ppm) 41.1 (2 F, d, J = 217 Hz), 42.4 (2 F, d, J = 217 Hz).
12. w = 0.0620. These structures were solved and refined with teXsan program package.
13. 3, 188 MHz) of cis-4a: δ (ppm) 35.2 (2 F, d, J = 218 Hz), 40.2 (2 F, d, J = 218 Hz).
14. We have found that ketone 5 was also obtained from 2,2-difluoro enol silyl ethers 2 by oxidative dimerization.