Synthesis of dithienothiophenes, cyclopentadithiophene and silacyclopentadithiophenes using palladium catalyzed cyclization

Tetrahedron Letters

Volumn 38, Issue 26, 1997, Pages 4581-4582

  Iyoda, Masahiko ^a   Miura, Mami ^a   Sasaki, Shigeru ^a   Kabir, S M Humayun ^a   Kuwatani, Yoshiyuki ^a   Yoshida, Masato ^a  

^a TOKYO METROPOLITAN UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

THIOPHENE DERIVATIVE;

ARTICLE; CYCLIZATION; DRUG SYNTHESIS; REACTION ANALYSIS;

EID: 0030913553     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)00979-9     Document Type: Article

References (12)

1. a) Yui, K.; Ishida, H.; Aso, Y.; Otsubo, T.; Ogura, F. Chem. Lett. 1987, 2339; Mazaki, Y.; Hayashi, N.; Kobayashi, K. J. Chem. Soc., Chem. Commun. 1992, 1381; Brisset, H.; Thobie-Gautier, C.; Jubault, M.; Gorgnes, A.; Roncali, J. ibid. 1994, 1765.
2. a) Yui, K.; Ishida, H.; Aso, Y.; Otsubo, T.; Ogura, F. Chem. Lett. 1987, 2339; Mazaki, Y.; Hayashi, N.; Kobayashi, K. J. Chem. Soc., Chem. Commun. 1992, 1381; Brisset, H.; Thobie-Gautier, C.; Jubault, M.; Gorgnes, A.; Roncali, J. ibid. 1994, 1765.
3. a) Yui, K.; Ishida, H.; Aso, Y.; Otsubo, T.; Ogura, F. Chem. Lett. 1987, 2339; Mazaki, Y.; Hayashi, N.; Kobayashi, K. J. Chem. Soc., Chem. Commun. 1992, 1381; Brisset, H.; Thobie-Gautier, C.; Jubault, M.; Gorgnes, A.; Roncali, J. ibid. 1994, 1765.
4. b) Hayashi, N.; Mazaki, Y.; Kobayashi, K. Tetrahedron Lett. 1994, 35, 5883.
5. Taliani, C.; Ruani, G.; Zanboni, R. Synth. Met. 1989, 28, C 507; Siekierski, M.; Przyluski, J.; Plocharski, J. ibid. 1993, 61, 217; Catellani, M.; Caronna, T.; Meille, S. V. J. Chem. Soc., Chem. Commun. 1994, 1911.
6. Taliani, C.; Ruani, G.; Zanboni, R. Synth. Met. 1989, 28, C 507; Siekierski, M.; Przyluski, J.; Plocharski, J. ibid. 1993, 61, 217; Catellani, M.; Caronna, T.; Meille, S. V. J. Chem. Soc., Chem. Commun. 1994, 1911.
7. Taliani, C.; Ruani, G.; Zanboni, R. Synth. Met. 1989, 28, C 507; Siekierski, M.; Przyluski, J.; Plocharski, J. ibid. 1993, 61, 217; Catellani, M.; Caronna, T.; Meille, S. V. J. Chem. Soc., Chem. Commun. 1994, 1911.
8. de Jong, F.; Janssen, M. J. J. Org. Chem. 1971, 36, 1645.
9. Kelly, T. R.; Li, Q.; Bhushan, V. Tetrahedron Lett. 1991, 31, 161; Mori, M.; Kaneta, N.; Shibasaki, M. J. Org. Chem. 1991, 56, 3486, and references cited therein.
10. Kelly, T. R.; Li, Q.; Bhushan, V. Tetrahedron Lett. 1991, 31, 161; Mori, M.; Kaneta, N.; Shibasaki, M. J. Org. Chem. 1991, 56, 3486, and references cited therein.
11. 2 (0.5 equiv.).
12. 2) δ 148.2, 147.8, 131.8, 116.1, -1.1.