Structure of 115595-27-2
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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. : | 115595-27-2 |
Formula : | C11H12O3 |
M.W : | 192.21 |
SMILES Code : | O=C(O)C1=CC=C(OCCC=C)C=C1 |
MDL No. : | MFCD00191325 |
InChI Key : | QXZIOUAINSTHGI-UHFFFAOYSA-N |
Pubchem ID : | 544452 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P233-P260-P261-P264-P271-P280-P302+P352-P304-P304+P340-P305+P351+P338-P312-P321-P332+P313-P337+P313-P340-P362-P403-P403+P233-P405-P501 |
* 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 |
---|---|---|
General procedure: Ethyl 4-(5-hexenyloxy)benzoate (1.2 g, 0.0048 mol) was added to a solution of sodium hydroxide (1.2 g, 0.030 mol) in 90 % methanol (30 mL). The solution was heated to reflux for 3 h. The solution was cooled and poured into 10 mL of 6 N HCl and the solution was then extracted with 30 mL of dichloromethane. The extraction solution was dried over anhydrous magnesium sulfate. Following removal of the solvent by evaporation under reduced pressure, the residue was purified by recrystallization from ethanol to yield 1.00 g (95 %) of white crystal. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With dicyclohexyl-carbodiimide;dmap; In dichloromethane; at 20℃; | Example 10; Ethyl 8-(4-[4-(but-3-en-l-yloxy)bezoyloxy]phenyl)-2-(4-piperidinophenyl)-2-phenyl-2-H- naphtho[l,2-6]pyran-5-carboxylate (IUk) was prepared by the following procedure. Ethyl 8-(4-hydroxyphenyl)-2-(4-piperidinophenyl)-2-phenyl)-2-H-naphtho[l,2-6]pyran-5- carboxylate (obtained from ethyl 8-bromo-2-(4-piperidinophenyl)-2-phenyl)-2-H- naphtho[l,2-6]pyran-5-carboxylate and 4-hydroxyphenylboronic acid in the manner described for Example 1) 0.4g (0.69 mmol) and 4-(but-3-en-l-yloxy)benzoic acid 0.145 g (0.75 mmol) were dissolved in methylene chloride (30 ml). Dicyclohexyldiimide (DCC) 0.156g (0.75 mmol) and catalytic amount of dimethylaminopyridine (DMAP) were added. The reaction mixture was stirred at room temperature overnight. The reaction mixture was filtered, the solvent was removed and the residue was flash chromatographed using petroleum ether - ethyl acetate (95-5) on silica gel. Recrystallization from ethyl acetate and hexane gave the title compound (m.p. 1000C; S=O.703). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | With dmap; dicyclohexyl-carbodiimide; In dichloromethane; at 20℃; for 24h;Inert atmosphere; | General procedure: 4-(5-Hexenyloxy)benzoic acid (8) (1.6 g, 0.0081 mol) and 4-methoxyphenol (1 g, 0.0081 mol) dissolved in dry dichloromethane (100 mL), N,N-dicyclohexylcarbodiimide (DCC, 2.0 g, 0.0097 mol) and 4-(N,N-dimethylamino)pyridine (DMAP, 0.2 g) were added to react under nitrogen. The reaction mixture was stirred for 24 h at room temperature. The solution was filtered. After removal of the solvent by evaporation under reduced pressure, the residue was purified by recrystallization from ethanol to yield 1.74 g (66 %) of white crystal. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86 g | With dmap; diisopropyl-carbodiimide; In dichloromethane; at 3 - 20℃; for 12h;Inert atmosphere; | Next, 60 g of the obtained compound (S-1-2), 73 g of the compound of (S-1-3)5.0 g of 4,4-dimethylaminopyridine was dissolved in 1,000 ml of dichloromethane and cooled to 3 C. under a nitrogen atmosphere.40 g of diisopropylcarbodiimide diluted with 200 ml of dichloromethane was added dropwise,After completion of the dropwise addition, the mixture was stirred at room temperature for 12 hours. After completion of stirring, the organic layer was washed with 10% hydrochloric acid,After washing with saturated brine, dichloromethane was distilled off under reduced pressure to obtain 140 g of crude product of (S-1-4).This was purified by column chromatography (silica gel, dichloromethane / ethyl acetate),And purified by recrystallization from methanol to give 86 g of the compound of (S-1-4). |
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