Rational synthesis of regioregular oligothiophenes via palladium catalyzed coupling reactions

Tetrahedron Letters

Volumn 43, Issue 37, 2002, Pages 6541-6544

  Loire, Guillaume ^a,c   Prim, Damien ^b   Andrioletti, Bruno ^a   Rose, Eric ^a   Persoons, André ^c   Sioncke, Sonja ^c   Vaissermann, Jacqueline ^a  

^a SORBONNE UNIVERSITÉ   (France)

^b LABORATOIRE DES SCIENCES DU CLIMAT ET DE L ENVIRONNEMENT   (France)

^c UNIVERSITY OF LEUVEN   (Belgium)

Author keywords

[No Author keywords available]

Indexed keywords

PALLADIUM; THIOPHENE DERIVATIVE;

ARTICLE; BROMINATION; CATALYSIS; CATALYST; CHEMICAL REACTION; CHEMICAL STRUCTURE; STILLE REACTION; SYNTHESIS; VALIDATION PROCESS; X RAY CRYSTALLOGRAPHY;

EID: 0037048467     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(02)01464-8     Document Type: Article

References (17)

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12. 4 before being concentrated under reduced pressure. The crude oil was then purified on a silica gel column chromatography and eluted with an increasing amount of dichloromethane in cyclohexane affording the bis-coupled compounds in 50-73% yield as orange solids.
13. α radiation (λ=0.71069 Å) at room temperature. The structure was refined on F to R=0.0553, Rw=0.0736 (2045 reflections with I>3σ(I)), and a goodness of fit=1.01 for 182 refined parameters. The molecule lies on a crystallographic inversion center. CCDC-188181 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB21EZ, UK; fax: (+44)1223-336-033; or deposit@ccdc.cam.ac.uk).
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17. max (ε)=411 (27 292).