Formic Acid → HCID 117665878, compound
Reaction equation
[CH3:1][N:2]1[CH2:7][CH2:6][N:5]([CH2:8][CH2:9][C:10]2[N:14]3[CH:15]=[C:16]([O:19][C@H:20]4[C:29]5[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=5)[C@@H:23]([NH2:30])[CH2:22][CH2:21]4)[CH:17]=[CH:18][C:13]3=[N:12][N:11]=2)[CH2:4][CH2:3]1.ClC(Cl)(Cl)C[O:34][C:35](=[O:53])[NH:36][C:37]1[N:38]([C:46]2[CH:51]=[CH:50][C:49]([CH3:52])=[CH:48][CH:47]=2)[N:39]=[C:40]([C:42]([CH3:45])([CH3:44])[CH3:43])[CH:41]=1.CCN(C(C)C)C(C)C.C(O)=O>O1CCOCC1>[CH:35]([OH:53])=[O:34].[C:42]([C:40]1[CH:41]=[C:37]([NH:36][C:35]([NH:30][C@@H:23]2[C:24]3[C:29](=[CH:28][CH:27]=[CH:26][CH:25]=3)[C@H:20]([O:19][C:16]3[CH:17]=[CH:18][C:13]4[N:14]([C:10]([CH2:9][CH2:8][N:5]5[CH2:4][CH2:3][N:2]([CH3:1])[CH2:7][CH2:6]5)=[N:11][N:12]=4)[CH:15]=3)[CH2:21][CH2:22]2)=[O:34])[N:38]([C:46]2[CH:51]=[CH:50][C:49]([CH3:52])=[CH:48][CH:47]=2)[N:39]=1)([CH3:45])([CH3:43])[CH3:44]Participants
Conditions
- Temperature
- 60 °C
Procedure
Intermediate 2c (85.0 mg, 0.21 mmol) was dissolved in 1,4-dioxane (2 mL) and (5-tert-butyl-2-p-tolyl-2H-pyrazol-3-yl)-carbamic acid 2,2,2-trichloro-ethyl ester (Synthetic Communications, 2009, 39, 3999-4009, which is incorporated herein by reference in its entirety; 96.0 mg, 0.24 mmol) and DIPEA (75.0 μl, 0.43 mmol) were added. The reaction was heated to 60° C. for 18 h. After cooling, the mixture was partitioned between EtOAc (50 mL) and water (50 mL), and extracted into EtOAc (3×). The combined organic layers were washed with brine, dried (MgSO4) and evaporated in vacuo. The residue was purified by FCC, using 0-10% [2M NH3 in MeOH] in DCM, then further purified by HPLC (C18 X-select column, 10-40% MeCN in H2O, 0.1% formic acid) to give the title compound mainly as formic acid salt (43.0 mg, 0.065 mmol, 31%). LCMS (Method 5) Rt 3.54 mins, m/z 662 [MH+]. 1H NMR (400 MHz, d4-MeOD): 1.30 (9H, s), 1.90-2.05 (2H, m), 2.06-2.15 (1H, m), 2.20-2.30 (1H, m), 2.38 (3H, s), 2.40 (3H, s), 2.55-2.75 (8H, br s), 2.90-2.95 (2H, t, J 7.4), 3.29-3.32 (2H, t, J 7.4), 4.86-4.92 (1H, dd, J 8.8, 5.6), 5.43-5.47 (1H, t, J 4.2), 6.33 (1H, s), 7.21-7.35 (11H, m), 7.60-7.64 (1H, d, J 9.9), 8.07-8.09 (1H, d, J 1.9), 8.40-8.50 (0.4H, br s, formate).
Workup
- temperatureAfter cooling
- customthe mixture was partitioned between EtOAc (50 mL) and water (50 mL)
- extractionextracted into EtOAc (3×)
- washThe combined organic layers were washed with brine
- dry with materialdried (MgSO4)
- customevaporated in vacuo
- customThe residue was purified by FCC
- customfurther purified by HPLC (C18 X-select column, 10-40% MeCN in H2O, 0.1% formic acid)
Sources & evidence
- ORD record
- ord-088a677c96bf42fea446c548aa996843
- Source dataset
- uspto-grants-2015_09
- Patent number
- US09145413B2
Reaction notes
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