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Structure of 15862-94-9
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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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Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
CAS No. : | 15862-94-9 |
Formula : | C9H10ClNO4 |
M.W : | 231.63 |
SMILES Code : | O=[N+]([O-])C1=CC(OC)=C(C=C1CCl)OC |
MDL No. : | MFCD11639225 |
Boiling Point : | No data available |
InChI Key : | VRHNUGLFVZJARZ-UHFFFAOYSA-N |
Pubchem ID : | 13449288 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H314-H410-H290 |
Precautionary Statements: | P501-P273-P260-P234-P264-P280-P390-P391-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P406-P405 |
Class: | 8 |
UN#: | 3261 |
Packing Group: | Ⅱ |
* 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 |
---|---|---|
98% | With thionyl chloride; triethylamine; In dichloromethane; at 0 - 20℃; for 12h; | Step (b): To a solution of (4,5-dimethoxy-2-nitrophenyl)methanol (19.5 g, 91 mmol) in CH2Cl2 (55 mL) was added a few drops of triethylamine, and SOCl2 (1.3 mL, 18 mmol) at 0 C. After stirring overnight at room temperature, the reaction was quenched by addition of EtOH. The organic layer was washed with water and brine, dried over Na2SO4, filtered off and concentrated under reduced pressure. After purification by column chromatography on silica gel (Cyclohexane/EtOAc 7:3), the pure product 1 (20.7 g, 90 mmol) was obtained as a yellow solid. Yield, 98%. m.p: 59.9 C. 1H NMR (250 MHz, CDCl3) δ 7.68 (s, 1H), 7.09 (s, 1H), 5.00 (s, 2H), 4.00 (s, 3H), 3.96 (s, 3H). 13C NMR (100 MHz, CDCl3) δ 153.5, 148.8, 140.4, 127.3, 112.9, 108.5, 56.6, 56.5, 43.7. |
86.4% | With thionyl chloride; In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; | Preparation of 2-nitro-4,5-dimethoxybenzyl chloride 570 g of 2-nitro-4,5-dimethoxybenzyl alcohol was added over 1 hour to 733 ml of thionyl chloride at 0 C. The solution was heated to 25 C. over 2 hours and to 50-56 C. for 2 hours. The solution was cooled to 5 C. and the mixture was poured onto 12 l of ice water with stirring. The supernatant was poured off and the solid washed with water. The oily solid was blended with ice and water, filtered, and dried in a 40 C. vacuum oven to yield 535 g, 86.4% yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35% | General procedure: All materials were dried for one day at 120 C. Chloride and carbonyl derivatives were introduced into a Schlenk of 30 mL. Products were put in vacuo, then under nitrogen. An appropriate volume of anhydrous DMF was added after 10 min of nitrogen bubbling. The solution was vigorously stirred for 20 min at -20 C. TDAE was added slowly under inert atmosphere. The reaction was stirred for one hour. The second reaction phase was performed at rt or at temperature according to procedure of synthesis. The reaction was hydrolysed with distilled water after TLC analysis clearly showed that the chloride 1 had been totally consumed. The aqueous solution was extracted with dichloromethane and the combined organic layers washed with brine then dried on MgSO4. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Reference Example 94 Preparation of 3-amino-6,7-dimethoxy-3,4-dihydrocarbostyril hydrochloride Using 2-nitro-4,5-dimethoxybenzyl chloride, the captioned compound was obtained in accordance with a method described in J. Med. Chem. 1972, 15, 325. NMR(270 MHz, DMSO6)δppm:10.49(1H, s), 8.52(3H, s), 6.92(1H, s), 6.56(1H, s), 4.06-4.16(1H, m), 3.72(3H, s), 3.70(3H, s), 3.12(1H, dd, J=14,7 Hz), 2.98(1H, t, J=14Hz) |