Structure of 92001-52-0
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 92001-52-0 |
Formula : | C6H5ClN4 |
M.W : | 168.58 |
SMILES Code : | CC1=NC2=C(N1)N=CN=C2Cl |
MDL No. : | MFCD00234163 |
InChI Key : | MZYQXIIORWCBHF-UHFFFAOYSA-N |
Pubchem ID : | 5408998 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
6% | Step 1: 6-chloro-8-methyl-9H-purine A solution of N-(4-amino-6-oxo-1,6-dihydropyrimidin-5-yl)acetamide (330 mg, 1.92 mmol, 1.00 equiv, 98%) in phosphorus oxychloride (5 mL) was refluxed overnight. The resulting mixture was concentrated under vacuum. The residue was redissolved in 10 mL of ethyl acetate, washed with 10 mL of saturated aqueous sodium bicarbonate solution, 1×10 mL of water and 1×10 mL of brine. The organic layer was dried over anhydrous sodium sulfate and concentrated under vacuum to give 20 mg (6%) of 6-chloro-8-methyl-9H-purine as a yellow solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
30% | With N-ethyl-N,N-diisopropylamine; In butan-1-ol; at 130.0℃; | Step 2: A solution of (1S)-1-(1-phenyl-1H-1,3-benzodiazol-2-yl)ethan-1-amine from Example 4 (150 mg, 0.62 mmol, 1.00 equiv, 98%), <strong>[92001-52-0]6-chloro-8-methyl-9H-purine</strong> (150 mg, 0.87 mmol, 1.41 equiv) and ethylbis(propan-2-yl)amine (0.3 mL, 98%) in butan-1-ol (6 mL) was stirred overnight at 130 C. The resulting mixture was concentrated under vacuum. The residue was purified on a C18 column eluted with water/acetonitrile to give 75 mg (30%) of 158 as a white solid. LC-MS (ES, m/z) 370 [M+H]+. H-NMR (300 MHz CD3OD, ppm) delta 8.04 (s, 1H), 7.69 (d, 1H), 7.55 (m, 5H), 7.30 (m, 2H), 7.11 (d, 1H), 5.63 (s, 1H), 2.55 (s, 3H), 1.71 (d, 3H) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
52% | at 120.0℃; | Step 2: A solution of 6-chloropyrimidine-4,5 -diamine (432 mg, 3.0 mmol) in acetic anhydride (5 mL) was heated to 120 C for overnight. The reaction mixture was concentrated and water was added, and then extracted with EtOAc. The organic layer was separated and washed with water and brine, dried over Na2S04 and concentrated. The residue was suspended in POCI3 (10 mL) and heated to 120 C for overnight. The reaction was concentrated and diluted with EtOAc and sat. NaHC03 solution. The organic layer was separated and washed with water and brine, dried over Na2S04 and concentrated. Purified by a flash column chromatography (0-30% EtOAc in petroleum ether) to give the desired product 6-chloro-8-methyl-9H-purine (263 mg, 52% yield). LC-MS: m/z 169 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 80.0℃; | 6-Chloro-7H-purine (5 g, 32.35 mmol) was added morpholine60 mL and heated to 80 C overnight. The mixture was concentratedin vacuum. The residue was purified by silica gel (CH2Cl2/MeOH 20:1) to obtain the product 48 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine; In acetonitrile; at 120.0℃; | General procedure: 6-Chloro-4,5-diaminopyrimidine (5 g, 35 mmol), ethyl orthopropionate49 mL and triethylamine 48 mL were dissolved in50 mL acetonitrile and stirred at 120 C overnight. The mixturewas concentrated in vacuum to yield the crude product 61 (5 g). |
A238634 [7602-01-9]
N-(6-Chloro-7H-purin-2-yl)acetamide
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