Pseudoesters and derivatives xxxvi. reactions of enolates of 5-ethylthiofuran-2(5h)-ones with aromatic aldehydes: A synthesis of losigamone

Heterocycles

Volumn 43, Issue 1, 1996, Pages 191-198

  Rosario Martin, M ^a   Victoria Martin, M ^b   De Guereñu, Ana Martinez ^b   Luis Ortego, J ^b  

^a UNIVERSIDAD AUTÓNOMA DE MADRID   (Spain)

^b INSTITUTO DE QUÍMICA ORGÁNICA GENERAL   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 2742593674     PISSN: 03855414     EISSN: None     Source Type: Journal    
DOI: 10.3987/com-95-7258     Document Type: Article

References (14)

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3. c) G. Köhr and U. Heinemann, Neurosci Lett., 1990, 112, 43;
4. d) C.L. Zhang, S.S. Chatterjee, U, Stein, and U, Heinemann, Naunyn-Schmiedeberg's Arch. Pharmacol., 1992, 345, 85.
5. S.S. Chatterjee and K. Klessing, Ger. Offen., 3615157 (1987) (Chem. Abstr., 1988, 108, 112212a).
6. B. De Ancos, F. Farina, M.C. Maestro, M.R. Martín, and M. Vicioso, Tetrahedron, 1991, 47, 3171.
7. F. Fariña, M.V. Martín, R.M. Martín-Aranda, and A.M. Martínez de Guereñu, Synth. Commun., 1993, 23, 459.
8. 13C nmr spectra displayed signals assignable to C-5 quaternary carbons.
9. 4
10. The Raney nickel was provided by Aldrich Chemical Co. Inc., as aqueous suspension of Ph 9-10, and was used wet without any further purification.
11. 2.
12. A. Pelter, R.I.H. Al-Bayati, M.T. Ayoub, W. Lewis, and P. Pardasani, J. Chem. Soc., Perkin Trans I, 1987, 717.
13. 1H nmr spectra of these compounds lacked resonances corresponding to the olefinic proton at C-3, but exhibited signals assignable to the acetal-type at C-5.
14. T. Honda, T. Hayakawa, H. Kondoh, A. Okuyama, and M. Tsubuki, Chem. Lett., 1991, 1861.