5-Methylthiophene-2-carboxylic acid → HCID 57385114, compound
Reaction equation
[CH3:1][C:2]1[S:6][C:5]([C:7]([OH:9])=O)=[CH:4][CH:3]=1.[CH3:10][C:11]1[C:12]([NH2:26])=[N:13][C:14]2([C:24]3[C:19](=[CH:20][CH:21]=[C:22]([NH2:25])[CH:23]=3)[O:18][CH2:17][CH2:16]2)[N:15]=1>>[NH2:26][C:12]1[C:11]([CH3:10])=[N:15][C:14]2([C:24]3[C:19](=[CH:20][CH:21]=[C:22]([NH:25][C:7]([C:5]4[S:6][C:2]([CH3:1])=[CH:3][CH:4]=4)=[O:9])[CH:23]=3)[O:18][CH2:17][CH2:16]2)[N:13]=1Participants
3
Procedure
The title compound (45.5 mg, 57% yield) was prepared as described for Example 13a starting from 5-methylthiophene-2-carboxylic acid (32.1 mg, 0.23 mmol) and 5′-methylspiro[chroman-4,2′-imidazole]-4′,6-diamine (Intermediate 30, 52 mg, 0.23 mmol): 1H NMR (500 MHz, DMSO-d6) δ ppm 1.91 (m, 2H), 2.23 (s, 3H), 2.47 (s, 3H), 4.39 (m, 2H), 6.55 (s, 2H), 6.73 (d, 1H), 6.78 (d, 1H), 6.86 (dd, 1H), 7.50 (dd, 1H), 7.73 (d, 1H), 9.86 (s, 1H); MS (ES+) m/z 355 [M+H]+.
Sources & evidence
- ORD record
- ord-87e83b320138485abcdd14c4b4ab020f
- Source dataset
- uspto-grants-2016_02
- Patent number
- US09248129B2
Reaction notes
Loading…