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CAS No.: | 119141-88-7 |
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Name: | Esomeprazole |
Article Data: | 94 |
Molecular Structure: | |
Formula: | C17H19N3O3S |
Molecular Weight: | 345.422 |
Synonyms: | 1H-Benzimidazole,5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-, (S)-;(-)-Omeprazole;(S)-(-)-Omeprazole;(S)-5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole;(S)-Esomeprazole;(S)-Omeprazole;Escz;Esofag;IZRA 40;Nexiam; |
EINECS: | 201-212-8 |
Density: | 1.371 g/cm3 |
Boiling Point: | 599.991 °C at 760 mmHg |
Flash Point: | 316.663 °C |
PSA: | 96.31000 |
LogP: | 3.76540 |
omeprazole sulfide
esomeprazole
Conditions | Yield |
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Stage #1: omeprazole sulfide With titanium(IV) isopropylate; diethyl (2S,3S)-tartrate In water; toluene at 65 - 70℃; for 0.833333h; Stage #2: With Cumene hydroperoxide; N-ethyl-N,N-diisopropylamine In water; toluene at 2 - 5℃; | 99.2% |
With C23H48NO(1+)*2H(1+)*O40PW12(3-); dihydrogen peroxide; sodium hydrogencarbonate; (1S,2S)-cyclohexane-1,2-diammonium 2,3-dihydroxysuccinate In water; acetone at 28℃; for 15h; Temperature; | 95.6% |
With dihydrogen peroxide In water at 25℃; for 3h; Solvent; | 95% |
esomeprazole
Conditions | Yield |
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With sodium hydroxide In water; toluene pH=11.5 - 12.0; Product distribution / selectivity; | 99% |
With sodium hydroxide In tert-butyl methyl ether; water pH=11.3; Product distribution / selectivity; | 99% |
With sodium hydroxide; water In toluene pH=11.5 - 12; Product distribution / selectivity; | 99% |
Conditions | Yield |
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With hydrogenchloride In ethanol; water at 0℃; for 1h; pH=3 - 3.5; Product distribution / selectivity; | A 99% B n/a |
esomeprazole
Conditions | Yield |
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Stage #1: (S)-5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole [(S)-1,1,2-triphenyl-1,2-ethanediol]2 With sodium hydroxide In water; toluene at 80℃; Stage #2: With acetic acid In water; toluene at 0℃; for 2h; Product distribution / selectivity; | 98% |
Stage #1: (S)-5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole [(S)-1,1,2-triphenyl-1,2-ethanediol]2 With potassium hydroxide In water; toluene at 80℃; Stage #2: With acetic acid In water; toluene at 0℃; for 2h; Product distribution / selectivity; | 95% |
Stage #1: (S)-5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole [(S)-1,1,2-triphenyl-1,2-ethanediol]2 With sodium hydroxide In dichloromethane; water Heating / reflux; Stage #2: With acetic acid In dichloromethane; water at 0℃; for 1h; Product distribution / selectivity; | 84% |
Conditions | Yield |
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Stage #1: (S)-5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole [(S)-1,1,2-triphenyl-1,2-ethanediol]2 With sodium hydroxide In dichloromethane; water Heating / reflux; Stage #2: With ammonium acetate In dichloromethane; water at 0℃; for 2h; Product distribution / selectivity; | A n/a B 96% |
esomeprazole
Conditions | Yield |
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In tetrahydrofuran at -5 - 5℃; for 3h; Temperature; | 92.3% |
In tetrahydrofuran at -5 - 0℃; for 3h; Temperature; | 733.2 g |
(chloromethyl)-4-methoxy-3,5-dimethylpyridine
esomeprazole
Conditions | Yield |
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Stage #1: (chloromethyl)-4-methoxy-3,5-dimethylpyridine With iodine; magnesium In tetrahydrofuran at 30℃; for 5h; Inert atmosphere; Stage #2: (S)-5-methoxy-1H-benzimidazole-2-sulfinic acid-(S)-1-phenyl-ethylester In tetrahydrofuran at -5 - 0℃; for 3h; stereoselective reaction; | 92.3% |
esomeprazole
Conditions | Yield |
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In tetrahydrofuran at -5 - 0℃; Reagent/catalyst; Temperature; | 92.3% |
esomeprazole
Conditions | Yield |
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In tetrahydrofuran at -15 - 0℃; for 1h; stereoselective reaction; | 90.2% |
esomeprazole
Conditions | Yield |
---|---|
Stage #1: omeprazole sodium With titanium(IV) isopropylate; diethyl (2S,3S)-tartrate; water; triethylamine In acetone at 35 - 40℃; Large scale; Stage #2: With (S)-Mandelic acid In acetone at 35 - 40℃; for 2h; Large scale; Stage #3: With sodium hydrogencarbonate In dichloromethane; water for 0.5h; Large scale; | 78% |
The Esomeprazole, with the CAS registry number 119141-88-7, is also known as (S)-Omeprazole. This chemical's molecular formula is C17H19N3O3S and molecular weight is 345.42. What's more, its systematic name is 6-Methoxy-2-{(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl}-1H-benzimidazole. Its classification codes are: (1)Anti-ulcer Agents; (2)Enzyme Inhibitors; (3)Gastrointestinal Agents. This chemical is a proton pump inhibitor (brand name Nexium) developed and marketed by AstraZeneca which is used in the treatment of dyspepsia, peptic ulcer disease (PUD), gastroesophageal reflux disease (GORD/GERD) and Zollinger-Ellison syndrome. The primary uses of Esomeprazole are gastroesophageal reflux disease, treatment of duodenal ulcers caused by H. pylori, preventing of gastric ulcers in those on chronic NSAID therapy, and treatment of gastrointestinal ulcers associated with Crohn's disease.
Physical properties of Esomeprazole are: (1)ACD/LogP: 2.173; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.11; (4)ACD/LogD (pH 7.4): 2.16; (5)ACD/BCF (pH 5.5): 22.79; (6)ACD/BCF (pH 7.4): 25.53; (7)ACD/KOC (pH 5.5): 312.84; (8)ACD/KOC (pH 7.4): 350.52; (9)#H bond acceptors: 6; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 96.31 Å2; (13)Index of Refraction: 1.669; (14)Molar Refractivity: 94.021 cm3; (15)Molar Volume: 251.869 cm3; (16)Polarizability: 37.273×10-24cm3; (17)Surface Tension: 75.18 dyne/cm; (18)Density: 1.371 g/cm3; (19)Flash Point: 316.663 °C; (20)Enthalpy of Vaporization: 89.315 kJ/mol; (21)Boiling Point: 599.991 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)SMILES: O=S(c2nc1ccc(OC)cc1n2)Cc3ncc(c(OC)c3C)C
(2)Std. InChI: InChI=1S/C17H19N3O3S/c1-10-8-18-15(11(2)16(10)23-4)9-24(21)17-19-13-6-5-12(22-3)7-14(13)20-17/h5-8H,9H2,1-4H3,(H,19,20)/t24-/m0/s1
(3)Std. InChIKey: SUBDBMMJDZJVOS-DEOSSOPVSA-N