The conformation of some estrane acetals

Journal of Chemical Research

Volumn , Issue 11, 2005, Pages 685-688

  Yamamoto, Chishou ^a   Matsumoto, Taisuke ^a   Matsumoto, Tomohiro ^a   Watanabe, Masataka ^a   Morais, Goreti ^a,b   Mataka, Shuntaro ^a   Thiemann, Thies ^a  

^a KYUSHU UNIVERSITY   (Japan)

^b UNIVERSITY OF COIMBRA   (Portugal)

Author keywords

6 keto; Acetals; Estranes; X ray crystallography

Indexed keywords

EID: 28944448756     PISSN: 03082342     EISSN: None     Source Type: Journal    
DOI: 10.3184/030823405774909388     Document Type: Article

References (10)

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3. E. Modica, G. Bombieri, D. Colombo, N. Marchini, F. Ronchetti, A. Scala and L. Toma, Eur. J. Org. Chem., 2003, 2964.
4. The ring analyses were carried with help of PLATON software (A.L. Spek, J. Appl. Cryst., 2003, 36, 7)
5. using ring puckering analysis by Cremer and Pople: D. Cremer and J.A. Pople, J. Am. Chem. Soc., 1975, 97, 1354
6. with the percentages of half chair and envelope conformations according to G.G. Evans and J.A. Boeyens, Acta Cryst., 1989, B45, 581.
7. R.A.W. Johnstone and M.E. Rose, Tetrahedron, 1979, 35, 2169.
8. E.J. Parish, S. Chitrakorn and T.Y. Wei, Synth. Commun., 1986, 16, 1371.
9. M. Rosenberger, D. Andrews, F. DiMaria, A.J. Duggan and G. Saucy, Helv. Chim. Acta, 1972, 55, 249.
10. CrystalStructure. Version 3.6.0. Rigaku/MSC, 9009 New Trails Drive, The Woodlands, TX 77381-5209, USA, 1999.