DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:113806-05-6
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiryUnique advantages of Olopatadine Cas 113806-05-6 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:Cool dry place Package:25kg/
Cas:113806-05-6
Min.Order:1 Kilogram
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent
Cas:113806-05-6
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
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inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
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inquiryOlopatadine CAS:113806-05-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediate
Cas:113806-05-6
Min.Order:1 Gram
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquirySuperiority We can customize and synthesize products that other suppliers may not be able to provide. Advantage cof, mof ligand manufacturer Product Detail
Cas:113806-05-6
Min.Order:100 Kilogram
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:113806-05-6
Min.Order:4 Kilogram
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:113806-05-6
Min.Order:10 Gram
FOB Price: $100.0
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inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and
Cas:113806-05-6
Min.Order:1 Metric Ton
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Product Name: Olopatadine CAS: 113806-05-6 MF: C21H23NO3 MW: 337.41 EINECS: Mol File: 113806-05-6.mol Olopatadine Structure Olopatadine Chemical Properties Melting point 188-189.5° CAS DataBase Reference 113806-05-6(C
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:113806-05-6
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FOB Price: $18.0 / 20.0
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inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:113806-05-6
Min.Order:1 Gram
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:113806-05-6
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:Active Pharmaceutical I
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:113806-05-6
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inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:113806-05-6
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inquiry(Z)-11-(3-dimethylaminopropylidene)-6,11-dihydro-dibenz-[b,e]oxepine-2-acetic acid hydrobromide
olopatadine
Conditions | Yield |
---|---|
With sodium hydroxide In water at 5 - 25℃; for 20 - 21.0833h; pH=6.8 - 7.2; Product distribution / selectivity; | 96.09% |
In water at 20 - 25℃; for 16h; pH=6.8 - 7.2; Product distribution / selectivity; Alkaline conditions; | 92.3% |
Stage #1: (Z)-11-(3-dimethylaminopropylidene)-6,11-dihydro-dibenz-[b,e]oxepine-2-acetic acid hydrobromide With sodium hydroxide In water; toluene at 20 - 25℃; pH=> 12; Stage #2: With hydrogenchloride In water at 20 - 25℃; pH=6.8 - 7.2; | 90% |
(Z)-11-<3-(dimethylamino)propylidene>-6,11-dihydrodibenzoxepin-2-acetic acid methyl ester
olopatadine
Conditions | Yield |
---|---|
Stage #1: (Z)-11-<3-(dimethylamino)propylidene>-6,11-dihydrodibenzoxepin-2-acetic acid methyl ester With methanol; sodium hydroxide; water at 20℃; for 5h; Stage #2: With hydrogenchloride In methanol; water Stage #3: In methanol; water | 92% |
With water; sodium hydroxide In methanol at 20℃; for 3h; | 88% |
Conditions | Yield |
---|---|
Stage #1: N,N-dimethyl-3-bromopropylamine With zinc dibromide In tetrahydrofuran at 10 - 20℃; for 0.166667h; Inert atmosphere; Stage #2: With naphthalene; lithium In tetrahydrofuran at 65 - 70℃; Inert atmosphere; Stage #3: isoxepac In tetrahydrofuran at 0 - 25℃; for 16.5h; Reagent/catalyst; Temperature; | 81.2% |
isoxepac
anhydrous 3-(dimethylamino)propyltriphenylphosphonium bromide hydrobromide
olopatadine
Conditions | Yield |
---|---|
Stage #1: anhydrous 3-(dimethylamino)propyltriphenylphosphonium bromide hydrobromide With sodium hydride In tetrahydrofuran; dimethyl sulfoxide; mineral oil at 20 - 45℃; Inert atmosphere; Large scale; Stage #2: isoxepac In tetrahydrofuran; dimethyl sulfoxide; mineral oil at 20℃; Solvent; Wittig Olefination; Large scale; | 55.63% |
olopatadine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate | 49% |
11-[(Z)-3-(dimethylamino)-propylidene]-6,11-dihydrodibenzo[b,e]oxepin-2-acetamide p-toluensulfonate
olopatadine
Conditions | Yield |
---|---|
Stage #1: 11-[(Z)-3-(dimethylamino)-propylidene]-6,11-dihydrodibenzo[b,e]oxepin-2-acetamide p-toluensulfonate With sodium hydrogencarbonate In methanol; dichloromethane; water for 0.25h; Stage #2: With water; potassium hydroxide In methanol; dichloromethane at 70℃; for 8h; Stage #3: With hydrogenchloride In methanol; dichloromethane; water at 20℃; pH=11; | 44.3% |
olopatadine
(Z)-11-[3-(dimethylamino)propylidene]-6,11-dihydro-dibenz[b,e]oxepin-2-acetic acid butyl ester
olopatadine
Conditions | Yield |
---|---|
Stage #1: (Z)-11-[3-(dimethylamino)propylidene]-6,11-dihydro-dibenz[b,e]oxepin-2-acetic acid butyl ester With potassium hydroxide In water at 5 - 70℃; for 4h; Stage #2: With sodium hydroxide In water; toluene at 20 - 25℃; Stage #3: With hydrogenchloride In water; acetone; toluene at 20 - 25℃; pH=2.5 - 3.0; |
3-(N,N-dimethylamino)propylmagnesium chloride
A
olopatadine
B
11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene; tetrahydrofuran / 2.08 h / 5 - 18 °C 2: hydrogenchloride / toluene / 7 h / 90 °C View Scheme |
A
olopatadine
B
11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid
Conditions | Yield |
---|---|
With hydrogenchloride In toluene at 90℃; for 7h; | A n/a B n/a |
isoxepac
A
olopatadine
B
11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid
Conditions | Yield |
---|---|
Stage #1: isoxepac; 3-dimethylaminopropyltriphenylphosphine hydrobromide With sodium hydride In tetrahydrofuran at 20 - 60℃; for 4h; Inert atmosphere; Large scale; Stage #2: at 20℃; Inert atmosphere; Large scale; Overall yield = 62.5 %; Overall yield = 2.36 kg; |
4-(2-methoxycarbonylbenzyloxy)phenyl acetic acid
A
olopatadine
B
11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride / ethanol / 3 h / Reflux; Large scale 1.2: pH 1 - 2 / Large scale 2.1: acetic anhydride / 2 h / 80 - 90 °C / Large scale 3.1: sodium hydride / tetrahydrofuran / 4 h / 20 - 60 °C / Inert atmosphere; Large scale 3.2: 20 °C / Inert atmosphere; Large scale View Scheme |
4-(2-carboxybenzyloxy) phenyl acetic acid
A
olopatadine
B
11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: acetic anhydride / 2 h / 80 - 90 °C / Large scale 2.1: sodium hydride / tetrahydrofuran / 4 h / 20 - 60 °C / Inert atmosphere; Large scale 2.2: 20 °C / Inert atmosphere; Large scale View Scheme |
o-(chloromethyl)benzoic acid methyl ester
A
olopatadine
B
11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: potassium carbonate / ethanol / 24 h / Reflux 2.1: potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride / ethanol / 3 h / Reflux; Large scale 2.2: pH 1 - 2 / Large scale 3.1: acetic anhydride / 2 h / 80 - 90 °C / Large scale 4.1: sodium hydride / tetrahydrofuran / 4 h / 20 - 60 °C / Inert atmosphere; Large scale 4.2: 20 °C / Inert atmosphere; Large scale View Scheme |
Methyl 4-hydroxyphenylacetate
A
olopatadine
B
11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: potassium carbonate / ethanol / 24 h / Reflux 2.1: potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride / ethanol / 3 h / Reflux; Large scale 2.2: pH 1 - 2 / Large scale 3.1: acetic anhydride / 2 h / 80 - 90 °C / Large scale 4.1: sodium hydride / tetrahydrofuran / 4 h / 20 - 60 °C / Inert atmosphere; Large scale 4.2: 20 °C / Inert atmosphere; Large scale View Scheme |
Methyl 4-hydroxyphenylacetate
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 20 °C 2: iodine; silver sulfate / methanol / 2.25 h / 20 °C 3: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / N,N-dimethyl-formamide / 4 h / 20 °C / Inert atmosphere 4: piperidine; formic acid; palladium diacetate; tris-(o-tolyl)phosphine / N,N-dimethyl-formamide / 4 h / 95 °C / Inert atmosphere 5: pyridine / 0 - 90 °C 6: methanol; water / 3 h / Reflux 7: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme |
1-Bromo-2-bromomethyl-benzene
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 20 °C 2: iodine; silver sulfate / methanol / 2.25 h / 20 °C 3: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / N,N-dimethyl-formamide / 4 h / 20 °C / Inert atmosphere 4: piperidine; formic acid; palladium diacetate; tris-(o-tolyl)phosphine / N,N-dimethyl-formamide / 4 h / 95 °C / Inert atmosphere 5: pyridine / 0 - 90 °C 6: methanol; water / 3 h / Reflux 7: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme |
methyl 2-{4-[(2-bromobenzyl)oxy]phenyl}acetate
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: iodine; silver sulfate / methanol / 2.25 h / 20 °C 2: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / N,N-dimethyl-formamide / 4 h / 20 °C / Inert atmosphere 3: piperidine; formic acid; palladium diacetate; tris-(o-tolyl)phosphine / N,N-dimethyl-formamide / 4 h / 95 °C / Inert atmosphere 4: pyridine / 0 - 90 °C 5: methanol; water / 3 h / Reflux 6: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme |
methyl 2-{4-[(2-bromobenzyl)oxy]-3-iodophenyl}acetate
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / N,N-dimethyl-formamide / 4 h / 20 °C / Inert atmosphere 2: piperidine; formic acid; palladium diacetate; tris-(o-tolyl)phosphine / N,N-dimethyl-formamide / 4 h / 95 °C / Inert atmosphere 3: pyridine / 0 - 90 °C 4: methanol; water / 3 h / Reflux 5: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme |
methyl 2-{4-[(2-bromobenzyl)oxy]-3-(4-hydroxybut-1-yn-1-yl)phenyl}acetate
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: piperidine; formic acid; palladium diacetate; tris-(o-tolyl)phosphine / N,N-dimethyl-formamide / 4 h / 95 °C / Inert atmosphere 2: pyridine / 0 - 90 °C 3: methanol; water / 3 h / Reflux 4: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme |
(Z)-methyl 2-[11-(3-hydroxypropylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-yl]acetate
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: pyridine / 0 - 90 °C 2: methanol; water / 3 h / Reflux 3: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme |
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: methanol; water / 3 h / Reflux 2: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme |
isoxepac
olopatadine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-methyl-1H-imidazole; di-tert-butyl dicarbonate; triethylamine / toluene / 8.5 h / 50 °C 2.1: tetrahydrofuran / 2.5 h / 15 - 20 °C 2.2: 0.5 h 3.1: hydrogenchloride / toluene; water / 6 h / 100 °C View Scheme |
tert-butyl 11-hydroxy-11-(3’-dimethylaminopropyl)-6,11-dihydrodibenzo[b,e]oxepin-2-acetate
olopatadine
Conditions | Yield |
---|---|
With hydrogenchloride In water; toluene at 100℃; for 6h; |
olopatadine
olopatadine hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride In water; acetone at 5 - 25℃; for 2 - 15h; Product distribution / selectivity; | 95.6% |
With hydrogenchloride In water; acetone at 0 - 25℃; for 16 - 22h; Product distribution / selectivity; | 88.1% |
With hydrogenchloride In water; acetone at 20 - 60℃; Product distribution / selectivity; | 81.2% |
With hydrogenchloride In water | |
With hydrogenchloride In tetrahydrofuran; water at 15 - 20℃; for 0.75 - 0.833333h; pH=0 - 1; Heating / reflux; |
N,O-dimethylhydroxylamine*hydrochloride
olopatadine
(Z)-2-(11-(3-(dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-yl)-N-methoxy-N-methylacetamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 16h; | 37% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 16h; | 37% |
olopatadine
(Z)-11-<3-(dimethylamino)propylidene>-2-(2-hydroxyethyl)-6,11-dihydrodibenzoxepin
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran for 4h; Ambient temperature; | 11% |
olopatadine
Conditions | Yield |
---|---|
With hydrogen bromide at 100℃; for 2h; |
olopatadine
C21H23NO2
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 16 h / 20 °C 2: diisobutylaluminium hydride / dichloromethane; hexanes / 1 h / -78 °C View Scheme | |
Multi-step reaction with 2 steps 1: triethylamine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 16 h / 20 °C 2: diisobutylaluminium hydride / dichloromethane; hexane / 1 h / -78 °C View Scheme |
olopatadine
(Z)-2-(11-(3-(dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetaldehyde oxime
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 16 h / 20 °C 2: diisobutylaluminium hydride / dichloromethane; hexanes / 1 h / -78 °C 3: hydroxylamine hydrochloride; triethylamine / dichloromethane; hexanes; methanol / 5 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 16 h / 20 °C 2: diisobutylaluminium hydride / dichloromethane; hexane / 1 h / -78 °C 3: triethylamine; hydroxylamine hydrochloride / dichloromethane; methanol; hexane / 5 h / 20 °C View Scheme |
olopatadine
(Z)-2-(11-(3-(dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetaldehyde O-methyl oxime
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 16 h / 20 °C 2: diisobutylaluminium hydride / dichloromethane; hexanes / 1 h / -78 °C 3: triethylamine / dichloromethane; hexanes; methanol / 5 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 16 h / 20 °C 2: diisobutylaluminium hydride / dichloromethane; hexane / 1 h / -78 °C 3: triethylamine / dichloromethane; methanol; hexane / 5 h / 20 °C View Scheme |
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