Triethylamine → HCID 86677809, compound
Reaction equation
[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH:12]([C:14]3[CH:21]=[C:20]([Cl:22])[C:17]([C:18]#[N:19])=[C:16]([CH:23]4[CH2:26][NH:25][CH2:24]4)[C:15]=3[O:27][CH3:28])[CH3:13])[N:9]=[C:10]([CH3:11])[C:3]=12.[CH2:29]([N:31]([CH2:34]C)[CH2:32]C)C.ClC(OC1C=CC([N+]([O-])=O)=CC=1)=[O:38]>CN(C)C=O.CO>[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH:12]([C:14]3[C:15]([O:27][CH3:28])=[C:16]([CH:23]4[CH2:24][N:25]([C:29]([N:31]([CH3:34])[CH3:32])=[O:38])[CH2:26]4)[C:17]([C:18]#[N:19])=[C:20]([Cl:22])[CH:21]=3)[CH3:13])[N:9]=[C:10]([CH3:11])[C:3]=12Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 2
Procedure
A solution of 4-[1-(4-amino-3-methyl-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl]-2-azetidin-3-yl-6-chloro-3-methoxybenzonitrile (chiral intermediate from Example 261) (40 mg, 0.10 mmol) in N,N-dimethylformamide (2 mL) was treated with triethylamine (40 μL, 0.29 mmol) followed by p-nitrophenyl chloroformate (23 pt, 0.13 mmol) and stirred at room temperature for 1 h. The reaction mixture was diluted with methanol and purified by preparative LCMS (XBridge C18 column, eluting with a gradient of acetonitrile/water containing 0.1% ammonium hydroxide, at flow rate of 60 mL/min) to give the desired product that was used immediately. A solution of the p-nitrophenyl carbamate intermediate in tetrahydrofuran (1 mL) was treated with triethylamine (15 μL, 0.11 mmol) followed by a solution of 1.0 M dimethylamine in tetrahydrofuran (150 μL, 0.15 mmol) and heated in a sealed tube at 60° C. for 2 h. The reaction mixture was concentrated, diluted with methanol and purified by preparative LCMS (XBridge C18 column, eluting with a gradient of acetonitrile/water containing 0.1% ammonium hydroxide, at flow rate of 60 mL/min) to give the desired product (13 mg, 28%). The product was isolated as a single enantiomer. 1H NMR (300 MHz, DMSO-d6) δ 8.11 (s, 1H), 7.49 (s, 1H), 7.36 (br s, 2H), 6.25 (q, J=7.0 Hz, 1H), 4.44-4.23 (m, 3H), 4.22-4.10 (m, 2H), 3.69 (s, 3H), 2.76 (s, 6H), 2.55 (s, 3H), 1.73 (d, J=7.1 Hz, 3H). LCMS for C22H26ClN8O2 (M+H)+: m/z=469.2; Found: 469.1.
Workup
- custompurified by preparative LCMS (XBridge C18 column
- washeluting with a gradient of acetonitrile/water containing 0.1% ammonium hydroxide, at flow rate of 60 mL/min)
Sources & evidence
- ORD record
- ord-b70d4f40858f4348b292bf593345458a
- Source dataset
- uspto-grants-2015_12
- Patent number
- US09199982B2
Reaction notes
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