Dayangchem's 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. DayangChem can provide different quantities
Cas:2538-68-3
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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
Cas:2538-68-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu
Cas:2538-68-3
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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
Cas:2538-68-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:2538-68-3
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:2538-68-3
Min.Order:1 Gram
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Type:Lab/Research institutions
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
Cas:2538-68-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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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Min.Order:0
Negotiable
Type:Lab/Research institutions
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
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Min.Order:10 Gram
FOB Price: $100.0
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
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Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirysuperior quality moderate price & quick delivery Appearance:Brown Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Tubermycin B (1-phe
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Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryPHENAZINE-1-CARBOXYLIC ACID Basic information Product Name: PHENAZINE-1-CARBOXYLIC ACID Synonyms: PHENAZINE-1-CARBOXYLIC ACID;1-carboxylicacidphe
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Min.Order:1 Metric Ton
Negotiable
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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Min.Order:0
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inquiryfactory?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:2538-68-3
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:2538-68-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:2538-68-3
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
We 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
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Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
The process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
Cas:2538-68-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:2538-68-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:2538-68-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in
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Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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Min.Order:0
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Type:Lab/Research institutions
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Cas:2538-68-3
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Negotiable
Type:Lab/Research institutions
inquiry1-Phenazinecarboxylic Acid Application:1-Phenazinecarboxylic Acid
Conditions | Yield |
---|---|
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); oxygen In acetonitrile at 80℃; for 10h; Reagent/catalyst; Green chemistry; | 98.2% |
6-nitrodiphenylamine-2-carboxylic acid
tubermycin B
Conditions | Yield |
---|---|
With sodium tetrahydroborate; sodium ethanolate In ethanol for 1h; Heating; | 82% |
With sodium tetrahydroborate; sodium hydroxide for 4h; | 79.4% |
With sodium tetrahydroborate; sodium ethanolate In ethanol at 65℃; for 24h; Inert atmosphere; | 54% |
N-(2-fluorophenyl)-3-nitroanthranilic acid
tubermycin B
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol for 1h; Heating; | 82% |
1-cyanophenazine
tubermycin B
Conditions | Yield |
---|---|
With sulfuric acid at 140℃; for 1h; | 75% |
With potassium hydroxide |
N-(2-methoxyphenyl)-3-nitroanthranilic acid
A
tubermycin B
B
9-methoxyphenazine-1-carboxylic acid
Conditions | Yield |
---|---|
With sodium tetrahydroborate; sodium methylate In methanol Heating; | A n/a B 33% |
Conditions | Yield |
---|---|
With potassium hydroxide at 150 - 160℃; | 30% |
With potassium hydroxide at 145 - 160℃; |
2-((2-chlorophenyl)amino)-3-nitrobenzoic acid
A
tubermycin B
B
9-chlorophenazine-1-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate | A n/a B 21% |
N-(2-phenoxyphenyl)-3-nitroanthranilic acid
A
tubermycin B
B
9-phenoxyphenazine-1-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate for 48h; Reductive cyclization; Heating; | A n/a B 10% |
Conditions | Yield |
---|---|
With chromium(VI) oxide; sulfuric acid; acetic acid |
Conditions | Yield |
---|---|
With chromium(VI) oxide |
Conditions | Yield |
---|---|
With potassium hydroxide | |
With hydrogenchloride | |
With sulfuric acid | |
With water Acidic conditions; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 91 percent / N-ethylmorpholine / CuCl / various solvent(s) / 4 h / 80 °C 2: NaBH4; 2 N aq. NaOH / 48 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 79 percent / CuCl, Cu, N-ethylmorpholine / various solvent(s) / 15 h / 70 - 80 °C 2: NaBH4, NaOMe / methanol / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 78 percent / CuCl, Cu, N-ethylmorpholine / various solvent(s) / 15 h / 70 °C 2: 82 percent / NaBH4, NaOEt / ethanol / 1 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 91 percent / N-ethylmorpholine / CuCl / various solvent(s) / 4 h / 80 °C 2: NaBH4; 2 N aq. NaOH / 48 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 61 percent / dimethylsulfoxide / 3 h / 200 °C 2: 75 percent / aq. H2SO4 / 1 h / 140 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 79 percent / CuCl, Cu, N-ethylmorpholine / various solvent(s) / 15 h / 70 - 80 °C 2: NaBH4, NaOMe / methanol / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 78 percent / CuCl, Cu, N-ethylmorpholine / various solvent(s) / 15 h / 70 °C 2: 82 percent / NaBH4, NaOEt / ethanol / 1 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 58 percent / CuCl, Cu, N-ethylmorpholine / various solvent(s) / 15 h / 70 - 80 °C 2: NaBH4, 2N aq. NaOH View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Cu, cuprous chloride, N-ethylmorpholine / various solvent(s) / 18 h / 70 °C 2: 82 percent / NaBH4 / ethanol / 1 h / Heating View Scheme |
1-methyl-1,2,3,4-tetrahydrophenazine
tubermycin B
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: iodine; acetic acid 2: CrO3 View Scheme |
2,3-dinitro-benzonitrile
tubermycin B
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ethanol 2: iron (II)-oxalate dihydrate; lead / 260 °C 3: aq.-ethanolic KOH View Scheme |
3-nitro-2-(phenylamino)benzonitrile
tubermycin B
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: iron (II)-oxalate dihydrate; lead / 260 °C 2: aq.-ethanolic KOH View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ethanol 2: iron (II)-oxalate dihydrate; lead / 260 °C 3: aq.-ethanolic KOH View Scheme | |
Multi-step reaction with 2 steps 1: N-ethylmorpholine;; copper(l) chloride; copper / 16 h / 70 °C / Inert atmosphere 2: sodium tetrahydroborate; sodium ethanolate / ethanol / 24 h / 65 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: N-ethylmorpholine;; 2.3-butanediol; copper(l) chloride; copper / 16 h / 70 °C / Inert atmosphere 2: sodium tetrahydroborate; sodium ethanolate / ethanol / 24 h / 65 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium acetate; acetic acid 2: iodine; acetic acid 3: CrO3 View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 10 h / 210 - 220 °C / Inert atmosphere 1.2: air / 3 h / 210 - 220 °C 2.1: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 4 h / Reflux 3.1: sodium carbonate / N,N-dimethyl-formamide; water / 2 h / 80 °C 4.1: 2,2'-azobis(isobutyronitrile); oxygen; N-Bromosuccinimide / acetonitrile / 10 h / 80 °C / Green chemistry View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 10 h / 210 - 220 °C / Inert atmosphere 1.2: air / 3 h / 210 - 220 °C 2.1: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 4 h / Reflux 3.1: sodium carbonate / N,N-dimethyl-formamide; water / 2 h / 80 °C 4.1: 2,2'-azobis(isobutyronitrile); oxygen; N-Bromosuccinimide / acetonitrile / 10 h / 80 °C / Green chemistry View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 4 h / Reflux 2: sodium carbonate / N,N-dimethyl-formamide; water / 2 h / 80 °C 3: 2,2'-azobis(isobutyronitrile); oxygen; N-Bromosuccinimide / acetonitrile / 10 h / 80 °C / Green chemistry View Scheme |
Conditions | Yield |
---|---|
With XpzABCDETF Enzymatic reaction; |
tubermycin B
Conditions | Yield |
---|---|
With thionyl chloride | 98% |
With thionyl chloride In toluene at 100℃; for 3h; | 97% |
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 50℃; for 12h; | 92% |
tubermycin B
1‑amino‑2‑(2,4‑difluorophenyl)‑3‑(1H‑1,2,4‑triazol‑1‑yl)propan‑2‑ol
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 25℃; for 10.5h; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
With sulfuric acid | 86% |
With sulfuric acid |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 24h; | 86% |
Conditions | Yield |
---|---|
Stage #1: tubermycin B With diphenyl phosphoryl azide; triethylamine In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; Stage #2: With water In tetrahydrofuran for 2h; Inert atmosphere; Reflux; | 61% |
Stage #1: tubermycin B With diphenyl phosphoryl azide; triethylamine In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; Stage #2: With water In tetrahydrofuran for 2h; Curtius Rearrangement; Reflux; Inert atmosphere; | 61% |
Stage #1: tubermycin B With diphenyl phosphoryl azide; triethylamine Stage #2: With water | |
Stage #1: tubermycin B With diphenyl phosphoryl azide; triethylamine Stage #2: With water |
tubermycin B
phenazine-1-carboxylic acid 5-oxide
Conditions | Yield |
---|---|
With dihydrogen peroxide; acetic acid In water at 55℃; for 17h; Inert atmosphere; | 58% |
With dihydrogen peroxide; acetic acid In water at 55℃; for 17h; Inert atmosphere; | 58% |
With dihydrogen peroxide In acetic acid at 55 - 60℃; for 24h; | 38% |
With dihydrogen peroxide; acetic acid |
Conditions | Yield |
---|---|
Stage #1: tubermycin B; 4-phenyl-1-butylamine With tris(2,2,2-trifluoroethyl) borate In acetonitrile at 80℃; for 24h; Stage #2: In dichloromethane; water; acetonitrile at 20℃; for 0.5h; | 52.64% |
With tris(2,2,2-trifluoroethyl) borate In acetonitrile at 80℃; for 24h; | 52.64% |
Conditions | Yield |
---|---|
Stage #1: tubermycin B With thionyl chloride In toluene at 80℃; for 2h; Stage #2: butan-1-ol With triethylamine In dichloromethane at 20℃; for 12h; | 52% |
Conditions | Yield |
---|---|
Stage #1: tubermycin B With dmap; 1,1'-carbonyldiimidazole In dichloromethane; N,N-dimethyl-formamide at 70℃; for 2h; Inert atmosphere; Stage #2: methanesulfonamide With triethylamine In dichloromethane; N,N-dimethyl-formamide at 70℃; for 48h; Inert atmosphere; | 40% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide for 24h; UV-irradiation; regioselective reaction; | A 10% B 8% C 6% D 5% |
diazomethane
tubermycin B
phenazine-1-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With ethanol; acetone | |
In methanol; diethyl ether; chloroform | |
In diethyl ether for 2h; Ambient temperature; | 18.5 mg |
In methanol at 20℃; Darkness; | 50 mg |
Conditions | Yield |
---|---|
With thionyl chloride und anschliessend Behandeln mit konz.wss.NH3; | |
Multi-step reaction with 2 steps 1: concentrated H2SO4 2: concentrated aqueous NH3 View Scheme | |
Multi-step reaction with 2 steps 1: methanol / 20 °C / Darkness 2: ammonia / methanol / 20 °C View Scheme |
Conditions | Yield |
---|---|
With thionyl chloride und Erwaermen des Reaktionsprodukts mit Methanol; | |
Multi-step reaction with 2 steps 1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / Reflux 2: dichloromethane / 2.5 h / 0 - 5 °C / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0 °C / Reflux 2: triethylamine / dichloromethane / Reflux View Scheme |
tubermycin B
Conditions | Yield |
---|---|
With thionyl chloride und Behandeln des erhaltenen Saeurechlorids mit wss.Dimethylamin; |
tubermycin B
Conditions | Yield |
---|---|
With thionyl chloride und Erwaermen des Reaktionsprodukts mit 2-Diaethylamino-aethanol in Benzol; |
tubermycin B
5,10-dihydrophenazine-1-carboxylic acid
Conditions | Yield |
---|---|
With methanol; nickel Hydrogenation; |
tubermycin B
N,N-dimethylethylenediamine
Phenazine-1-carboxylic acid (2-dimethylamino-ethyl)-amide
Conditions | Yield |
---|---|
With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide |
tubermycin B
N-<2-(4-aminophenoxy)ethyl>-3,4-dimethoxy-N-methylbenzenemethanamine
Conditions | Yield |
---|---|
With 1-hydroxybenzotriazol-hydrate; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide |
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