Structure of 630128-01-7
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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'.
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CAS No. : | 630128-01-7 |
Formula : | C19H25NO7 |
M.W : | 379.40 |
SMILES Code : | O=C(OCC1=CC=CC=C1)[C@@H](NC(OC(C)(C)C)=O)CC(CC(OC)=O)=O |
MDL No. : | MFCD30470618 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-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 |
---|---|---|
71.5% | In toluene; at 70℃; for 16h;Large scale; | Into a 50 L reactor, anhydrous toluene (20 L) was added. Compound 3 (6.95 kg, 15.46 mol) was added. Anhydrous methanol (6.26 L, 154.6 mol) was added under stirring. The internal temperature of the reactor was controlled at 70 C. and the feed liquid was stirred for 16 h. Sampling test was performed by TLC (PE:EtOAc=1:1). After completion of the reaction, the reaction solution was concentrated under reduced pressure to give a red brown viscous liquid. The crude product was dissolved in 6 L EtOH and 10 L petroleum ether. The solution was stirred at 13 C. for 30 minutes with a white solid to be precipitated. After stirring for 2 hours, the solution was allowed to stand overnight and filtered, and the solid was washed three times with petroleum ether (5 L) and then dried to give compound 4 as a product (4.2 kg, 11.07 mol), with a yield of 71.5% and purity of 98%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
66% | With sodium hydrogencarbonate; In N,N-dimethyl-formamide; at 60℃; for 4h;Inert atmosphere; | Step 1 (Synthesis of 177-4) (0846) Compound 177-1 (3.86 g, 26.36 mmol, 1.0 eq.), 177-2 (10.0 g, 26.36 mmol, 1.0 eq.), 177-3 (4.31 g, 26.36 mmol, 1.0 eq.) were dissolved in anhydrous DMF (100 mL), and at 20 C. was added NaHCO3 (8.86 g, 105.44 mmol, 4.00 eq). After the addition, the reaction mixture was swept with nitrogen for 3 times, the mixture was warmed to 60 C., and stirred for 4 hours. The reaction mixture was cooled to room temperature, and filtered. The filtrate was concentrated under reduced pressure. The residue was dissolved in EtOAc, washed with water (100 mL), and then extracted with EtOAc (100 mL) for 3 times. (0847) The organic phases were washed with saturated brine, dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure. The residue was purified by column chromatograph with an eluent system of DCM/MeOH=20/1, 10/1, to obtain 11 g product as yellow oil, yield: 66%. (0848) LCMS (ESI) m/z: 527.1 [M+H+]. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-methyl-morpholine; In tetrahydrofuran; at 60℃; for 20h;Large scale; | Compound 4 (1140 g, 3 mol) and anhydrous THF(7.5 L) were added to a 30 L jacketed reaction flask and stirred. Compound 6 (566 g, 3.45 mol), Compound 7 (502 g,1.1 mol) and NMM (760 g, 7.5 mol) were added. The reaction was refluxed (60 C.) for 20 h. The content of the intermediate carboxylic acid was monitored by HPLC and the temperature was cooled to 5-10 C. The isobutyl chloroformate (492 g, 3.6 mol, dissolved in 500 mE THF) was added dropwise and reacted at 5-10 C. for 1 h. TEC and HPEC showed that the intermediate carboxylic acid of the reaction was reacted completely. The reaction was quenched by the addition of H20 (3 E), and extracted with EtOAc (9 E), and the organic solvent was washed once with H20 (3 E) and concentrated to give 2.2 kg of mother liquor. The mother liquor was dissolved in EtOAc (3 E), THF (500 mE) was added, n-heptane (about 9 E) was slowly added dropwise and the mixture was stirred at 15 C. overnight with a solid precipitated, and filtered to give a crude solid with a purity of 95%, De=85%. Recrystallization of the crude product:The solid was dissolved in THF/EtOAc (100 g in 500/500 mE) at 50 C., added dropwise with n-heptane (1 E) and stirred for 1 h, then gradually cooled to 25 C. and stirred overnight, filtered to give Compound 9A as a white solid (500 g, purity: 96%, De>96%, yield: 27%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
4.8 kg | In methanol; toluene; at 70℃;Large scale; | Anhydrous toluene (20 L) was added into a 50 Lreaction kettle, and Compound 3 (6.95 kg, 15.46 mol) was added. Under mechanical stirring, anhydrous MeOH (6.26154.6 mol) was added. The reaction solution was stirred for 16 h with the internal temperature controlled at 70 C., and then sampled for detection. TLC (PE:EtOAc=1 :1) and LCMS detection showed the reaction was completed. The reaction solution was concentrated under reduced pressuregive a reddish brown viscous liquid. The crude product was dissolved in 6 L EtOH and 10 L petroleum ether. The solution was stirred at 13 C. for 30 minutes and a white solid was precipitated. The mixture was stirred for 2 hours, allowed to stand overnight and filtered. The solid was washed with petroleum ether (5 L) for three times and air dried to give a white product (4.2 kg, 11.07 mol). The filtrate was cooled to -11 C. and filtered to give a white product (600 g, 1.58 mol). The total separated weight was 4.8 kg, the separated yield after the two steps was 81.7%, and the purity was 98%. ‘H NMR (400 MHz, CHLOROFORM-0 ppm 1.439H) 3.07-3.16 (m, 1H) 3.22-3.33 (m, 1H) 3.44 (s, 2H) 3.72 (s, 3H) 4.51-4.62 (m, 1H) 5.16 (s, 2H) 5.48 (d, J=8.03 Hz, 1H) 7.29-7.40 (m, 5H) LCMS: mlz: 402.1 [M+Na] |