3-(4-Tert-butyl-phenyl)-4-cyano-5-trifluoromethyl-thiophene-2-carboxylic acid methyl ester → 4-Cyano-3-(2'-methylsulfanyl-biphenyl-4-yl)-5-trifluoromethyl-thiophene-2-carboxylic acid ethyl ester
Reaction equation
COC(C1SC([C:22]([F:25])([F:24])[F:23])=C(C#N)C=1C1C=CC(C(C)(C)C)=CC=1)=O.[CH2:26]([O:28][C:29]([C:31]1[S:32][C:33](I)=[C:34]([C:50]#[N:51])[C:35]=1[C:36]1[CH:41]=[CH:40][C:39]([C:42]2[CH:47]=[CH:46][CH:45]=[CH:44][C:43]=2[S:48][CH3:49])=[CH:38][CH:37]=1)=[O:30])[CH3:27]>>[CH2:26]([O:28][C:29]([C:31]1[S:32][C:33]([C:22]([F:25])([F:24])[F:23])=[C:34]([C:50]#[N:51])[C:35]=1[C:36]1[CH:41]=[CH:40][C:39]([C:42]2[CH:47]=[CH:46][CH:45]=[CH:44][C:43]=2[S:48][CH3:49])=[CH:38][CH:37]=1)=[O:30])[CH3:27]Participants
3
Reactant 2
Product 1
Procedure
Using a method substantially in accordance with the method of 3-(4-tert-butyl-phenyl)-4-cyano-5-trifluoromethyl-thiophene-2-carboxylic acid methyl ester starting with the compound, 4-cyano-5-iodo-3-(2′-methylsulfanyl-biphenyl-4-yl)-thiophene-2-carboxylic acid ethyl ester gives the title compound: 1H NMR (400 MHz, CDCl3) δ 7.82-7.47 (m, 8H), 4.27 (q, 2H, J=7.2 Hz), 2.38 (s, 3H), 1.22 (t, 3H, J=7.3 Hz).
Sources & evidence
- ORD record
- ord-e6cff1e3cf804fbfb3315926df4b0d43
- Source dataset
- uspto-grants-2010_01
- Patent number
- US07642361B2
Reaction notes
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