Azidotrimethylsilane → Hydrochloric Acid
Reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[N:9]=[C:10]([NH:18][C:19]3[CH:24]=[CH:23][C:22]([CH2:25][C:26]#[N:27])=[CH:21][CH:20]=3)[C:11]3[S:17][CH2:16][CH2:15][CH2:14][C:12]=3[N:13]=2)[CH:5]=[CH:6][CH:7]=1.[N:28]([Si](C)(C)C)=[N+:29]=[N-:30].O.[F-].C([N+](CCCC)(CCCC)CCCC)CCC>>[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[N:9]=[C:10]([NH:18][C:19]3[CH:24]=[CH:23][C:22]([CH2:25][C:26]4[N:28]=[N:29][NH:30][N:27]=4)=[CH:21][CH:20]=3)[C:11]3[S:17][CH2:16][CH2:15][CH2:14][C:12]=3[N:13]=2)[CH:5]=[CH:6][CH:7]=1.[ClH:1]Participants
Reactant 3
Product 2
Conditions
- Temperature
- 110 °C
Procedure
A 8-mL vial was charged with 2-[4-[[2-(3-chlorophenyl)-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidin-4-yl]amino]phenyl]acetonitrile (32 mg, 0.081 mmol, 1 eq.), azido(trimethyl)silane (0.2 ml, excess) and tetrabutylammonium fluoride hydrate (50 mg, 0.19 mmol, 2.3 eq.). The mixture was stirred at 110° C. overnight. After cooling to room temperature, the mixture was partitioned between dichloromethane (4 ml) and 2N HCl (4 ml). The solid was collected by filtration and washed with water (10 ml) followed dichloromethane (10 ml). After drying, the title compound was obtained as HCl salt (25 mg, 65% yield).). MW/HCl=472.39. 1H NMR (400 MHz, DMSO-D6) δ 8.6 (brs, 1H), 8.16 (s, 1H), 8.11 (d, J=7.2 Hz, 1H), 7.64 (d, J=8.4 Hz, 2H), 7.53 (m, 2H), 7.29 (d, J=8.4 Hz, 2H), 4.31 (s, 2H), 3.21 (d, J=5.6 Hz, 2H), 2.94 (d, J=6.4 Hz, 2H), 2.19 (m, 2H).
Workup
- temperatureAfter cooling to room temperature
- customthe mixture was partitioned between dichloromethane (4 ml) and 2N HCl (4 ml)
- filtrationThe solid was collected by filtration
- washwashed with water (10 ml)
- customAfter drying
Sources & evidence
- ORD record
- ord-50f2a371968f4f9aa9c1a022ee240771
- Source dataset
- uspto-grants-2015_12
- Patent number
- US09221843B2
Reaction notes
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