A stereoselective access to functional dienes containing a trifluoromethyl group via stille cross coupling of ethyl 4,4,4-trifluoro-3-iodobutenoate

Synlett

Volumn , Issue 8, 1998, Pages 839-840

  Prié, Gildas ^b   Thibonnet, Jérôme ^b   Abarbri, Mohamed ^b   Duchêne, Alain ^b   Parrain, Jean Luc ^a  

^a AIX MARSEILLE UNIVERSITY   (France)

^b UNIVERSITÉ DE TOURS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 26844508544     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1998-1787     Document Type: Article

References (33)

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17. 4), 2 (11.8 g, 0.04 mol, 80%) is pure enough and can be used without purification.
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22. C-F for carbon 2 of compounds 3a-f are up to 5.1 Hz. This strongly supports the Z stereochemistry of the double bond (ref. 14b).
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31. 3COOH as external standard, upfield positive): -9.85 (3b), -9.75 (3c), -9.45 (3d), -4.85 (3d), -9.45 (3g), -5.55 (3h), -9.45 (3d′), -4.85 (3e′)
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33. 2JC-F = 28Hz), 143.5, 165.2; MS (70 eV): m/z = 251 (M-Me, 1), 237 (15), 174(23), 146(38), 129(11), 81 (13), 79 (15), 77 (56), 75 (78), 73 (100), 59 (10), 45 (19), 43 (13)