1-Octyne → HCID 25222178, compound
Reaction equation
[CH3:1][C:2]1[N:7]=[CH:6][N:5]=[C:4](OS(C2C=CC(C)=CC=2)(=O)=O)[CH:3]=1.[CH:19]#[C:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25]C.[CH3:27]CCCCCC.CCOC(C)=O>>[CH3:27][C:4]1[CH:3]=[C:2]([C:1]#[C:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH3:25])[N:7]=[CH:6][N:5]=1Participants
4
Procedure
This product was prepared from toluene-4-sulfonic acid 6-methyl-pyrimidin-4-yl ester and 1-octyne following the general procedure for the Sonogashira cross-coupling reaction described above. Chromatography eluent: heptane/EtOAc 8:2; yield (37.6 mg, 40%); 1H NMR δ (CDCl3): 9.01 (s, 1H), 7.21 (s, 1H), 2.52 (s, 3H), 2.48 (t, J=7.23 Hz, 2H), 1.63 (p, J=7.17 Hz, 2H), 1.50-1.30 (m, 6H), 0.91 (t, J=7.25 Hz, 3H); LCMS m/z: 188.
Workup
- customfor the Sonogashira cross-coupling reaction
- customyield (37.6 mg, 40%)
Sources & evidence
- ORD record
- ord-9528867b28894cea9286cbc4579f496f
- Source dataset
- uspto-grants-2013_04
- Patent number
- US08420812B2
Reaction notes
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