Synthesis of terminal-biradical compounds consisting of two N-oxyl groups connected with conjugated π-systems

Tetrahedron Letters

Volumn 38, Issue 42, 1997, Pages 7391-7394

  Torii, Sigeru ^a   Hase, Tomoyuki ^a   Kuroboshi, Manabu ^a   Amatore, Christian ^b   Jutand, Anny ^b   Kawafuchi, Hiroyuki ^b  

^a OKAYAMA UNIVERSITY   (Japan)

^b ECOLE NORMALE SUPÉRIEURE   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ACETYLENE DERIVATIVE; RADICAL;

ARTICLE; DRUG STRUCTURE; DRUG SYNTHESIS; IN VITRO STUDY; REACTION ANALYSIS;

EID: 0030820322     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)01732-2     Document Type: Article

References (12)

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3. c) Yoshioka, N.; Lahti, P. M.; Kaneko, T.; Kuzumaki, Y.; Tsuchida, E.; Nishide, H. J. Org. Chem. 1994, 59, 4272.
4. d) Kanno, F.; Inoue, K.; Koga, N.; Iwamura, H. J. Am. Chem. Soc. 1993, 115, 847.
5. e) Inoue, K.; Koga, N.; Iwamura, H. J. Am. Chem. Soc. 1991, 113, 9803. and references cited therein.
6. 2 (0 °C, 5 h, 3b, 98%).
7. 3 at room temperature. However, no desired 4a could be obtained from cross-coupling with p-dibromobenzene.
8. 2)) did not proceed at all.
9. Ritter, K. Synthesis 1993, 735.
10. Scott, W. J.; Crisp, G. T.; Stille, J. K. J. Am. Chem. Soc. 1984, 106, 4630.
11. Rossi, R.; Carpita, A.; Bigelli, C. Tetrahedron Lett. 1985, 26, 523.
12. Korshak, Y. V.; Medvedeva, T. V.; Ovchinnikov, A. A.; Specktor, V. N. Nature 1987, 326, 370.