4-[(4-methylphenyl)sulfonyl]-1-(triphenylphosphoranylidene)-2- butanone and its dianion as versatile tools in organic synthesis

Tetrahedron Letters

Volumn 39, Issue 14, 1998, Pages 1973-1976

  Barco, Achille ^a   Benetti, Simonetta ^a   De Risi, Carmela ^a   Marchetti, Paolo ^a   Pollini, Gian P ^a   Zanirato, Vinicio ^a  

^a UNIVERSITY OF FERRARA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ALKANONE;

ARTICLE; CHEMICAL STRUCTURE; CYCLIZATION; MOLECULAR INTERACTION; REACTION ANALYSIS; SYNTHESIS;

EID: 0032473892     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)00108-7     Document Type: Article

References (8)

1. 1. Tietze, F. L., Chem Rev., 1996, 96, 115-136.
2. 2. Barco, A.; Benetti, S.; De Risi, C.; Pollini, G. P.; Romagnoli, R.; Spalluto, G.; Zanirato, V., Tetrahedron , 1994, 50, 2583-2590.
3. 3) δ: 2.42 (s, 3H), 2.69-2.77 (m, 2H), 3.42-3.50 (m, 2H), 3.72 (d, 1H, J = 24), 7.26-7.80 (m, 19H)], by treatment with sodium hydroxide in methanol and subsequent precipitation with water. (formula presented)
4. 4. Albertini, E.; Barco, A.; Benetti, S.; De Risi, C.; Pollini, G. P.; Romagnoli, R.; Zanirato, V., Tetrahedron Lett., 1994, 35, 9297-9300.
5. 5. Szántay, C.; Kardos-Balogh, Z.; Moldvai, I.; Szántay Jr., C.; Temesvári-Major, E.; Blaskó, G., Tetrahedron, 1996, 52, 11053-11062.
6. 6. Achmatowicz, B.; Baranowska, E.; Daniewski, A. R.; Pankowski, J.; Wicha, J., Tetrahedron, 1988, 44, 4989-4998.
7. 7. Barco, A.; Benetti, S.; De Risi, C.; Pollini, G. P.; Zanirato, V., Tetrahedron, 1995, 51, 7721-7726 and references cited thereir.
8. 8. Fayos, S.; Clardy, J.; Dolby, L. J.; Farnham, T., J. Org. Chem., 1977, 42, 1349-1352.