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 quantiti
Cas:13127-18-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Cas:13127-18-9
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Our 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:13127-18-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:13127-18-9
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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 so o
Cas:13127-18-9
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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:13127-18-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White crystal powder Storage:Store in sealed containers at c
Cas:13127-18-9
Min.Order:100 Gram
Negotiable
Type:Other
inquiry1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Erythromycin Oxime Structure: Formula: C37H68N2O13 Molecular Weight : 748.94 Synonyms: ErythromycinA9-Oxime(MixtureofZandEIsomers);(3R,4S,5S,6R,7R,9R,10E,1
Cas:13127-18-9
Min.Order:1 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:13127-18-9
Min.Order:1 Gram
Negotiable
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:13127-18-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:13127-18-9
Min.Order:1 Kilogram
FOB Price: $50.0 / 100.0
Type:Lab/Research institutions
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
Cas:13127-18-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryJ&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
Erythromycin OximeAppearance:White or Almost White crystalline powder Storage:Store in refrigerator Package:according to customers' requirements Application:Steroids injection For Body building Transportation:By air(EMS or EUB or FedEx or TNT ect...)
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:13127-18-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...)
Cas:13127-18-9
Min.Order:1 Kilogram
FOB Price: $5.0
Type:Lab/Research institutions
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: Erythromycin A Oxime CAS No.:13127-18-9 Molecule Formula:C37H68N2O13 Molecule Weight:748.94 Purity: 98.5% Package: 25kg/drum Description: White or almost white crystalline powder Manufacture Standards:CP/USP/EP
Cas:13127-18-9
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:13127-18-9
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong 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:13127-18-9
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:13127-18-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
ISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
erythromycin
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
With hydroxylamine; acetic acid In isopropyl alcohol at 50℃; for 24h; | 95% |
With hydroxylamine hydrochloride; triethylamine In methanol Reflux; | 93% |
With hydroxylamine hydrochloride; potassium carbonate In methanol at 20℃; for 48h; Solvent; Reagent/catalyst; Temperature; | 88.2% |
erythromycin
A
(9-E)-deoxo-9-hydroximinoerythromycin A
B
8,9-anhydropseudoerythromycin A 6,9-hemiketal
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium acetate In methanol at 50℃; for 13h; |
erythromycin A thiocyanate
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In dichloromethane at 20℃; for 1.5h; pH=7; Beckmann Rearrangement; | |
With hydroxylamine hydrochloride; ammonium bicarbonate; sodium iodide In methanol at 56 - 60℃; Reagent/catalyst; | 89 g |
erythromycin A oxime thiocyanate
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane; water at 38℃; Solvent; Temperature; |
2-Methoxypropene
(9-E)-deoxo-9-hydroximinoerythromycin A
1,1,1,3,3,3-hexamethyl-disilazane
C44H84N2O14Si
Conditions | Yield |
---|---|
Stage #1: 2-Methoxypropene; (9-E)-deoxo-9-hydroximinoerythromycin A With Pyridine hydrobromide In dichloromethane at 7 - 17℃; for 2h; Stage #2: 1,1,1,3,3,3-hexamethyl-disilazane In dichloromethane for 1h; Stage #3: With sodium hydrogencarbonate In dichloromethane; water at 27 - 33℃; for 0.5h; Product distribution / selectivity; | 96.9% |
(9-E)-deoxo-9-hydroximinoerythromycin A
9-deoxo-6-deoxy-6,9-epoxy-9,9a-didehydro-9a-aza-homoerythromycin A
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; p-toluenesulfonyl chloride In water; acetone at 0 - 20℃; for 4h; | 91.8% |
With sodium hydrogencarbonate; p-toluenesulfonyl chloride In dichloromethane; water at 0 - 5℃; Product distribution / selectivity; | |
With sodium hydrogencarbonate; p-toluenesulfonyl chloride In dichloromethane at 20℃; for 1.5h; | |
With sodium hydrogencarbonate; methanesulfonyl chloride In water at 5℃; Temperature; Reagent/catalyst; Beckmann Rearrangement; |
(9-E)-deoxo-9-hydroximinoerythromycin A
erythromycylamine
Conditions | Yield |
---|---|
With methanol; sodium tetrahydroborate at 20℃; for 8h; Reagent/catalyst; Temperature; Cooling with ice; | 85.03% |
(9-E)-deoxo-9-hydroximinoerythromycin A
9-Deoxo-9a-aza-9a-homoerythromycin A
Conditions | Yield |
---|---|
Stage #1: (9-E)-deoxo-9-hydroximinoerythromycin A With calcium(II) bis(trifluoromethanesulfonyl)imide; tert-butylammonium hexafluorophosphate(V) In 1,2-dimethoxyethane; 1,2-dichloro-ethane at 80℃; for 5h; Stage #2: With sodium tetrahydroborate In methanol at 0 - 20℃; for 51h; | 78% |
Multi-step reaction with 2 steps 1: p-toluenesulfonyl chloride; sodium hydrogencarbonate / acetone; water / 4 h / 0 - 20 °C 2: sodium tetrahydroborate; methanol / 24 h / 0 - 20 °C View Scheme |
1,1-diisopropoxycyclohexane
(9-E)-deoxo-9-hydroximinoerythromycin A
9-{O-[1-(1-methylethoxy)-cyclohexyl]oxime}-erythromycin
Conditions | Yield |
---|---|
With pyridine hydrochloride In dichloromethane at 20℃; for 42h; | 71% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; | 70% |
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
Stage #1: (9-E)-deoxo-9-hydroximinoerythromycin A With sodium hydrogencarbonate; p-toluenesulfonyl chloride In dichloromethane; water at 0 - 5℃; for 3h; Stage #2: With acetic acid In dichloromethane; water for 0.25h; pH=5.3 - 5.5; Stage #3: With sodium hydroxide In water pH=12 - 12.5; Product distribution / selectivity; | 70% |
(9-E)-deoxo-9-hydroximinoerythromycin A
N-(Benzyloxycarbonyl)glycine
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; | 65% |
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; p-toluenesulfonyl chloride In water; acetone at -5 - 30℃; for 4.5h; | 55.2% |
N-tert-butoxycarbonyl-L-leucine
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; | 53.1% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; | 51.2% |
(9-E)-deoxo-9-hydroximinoerythromycin A
9-deoxo-11-deoxy-9,11-epoxy-9-nitroso-3'-des-N-methylerythromycin A
Conditions | Yield |
---|---|
With N-Bromosuccinimide; sodium hydrogencarbonate In 1,2-dimethoxyethane; water for 2h; Ambient temperature; | 42% |
UDP-glucose
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
With magnesium(II) glycosylation by cell extract of Streptomyces hygroscopius ATCC 31080; pH 6.0-9.5; | 50 mg |
(9-E)-deoxo-9-hydroximinoerythromycin A
epichlorohydrin
erythromycin-9-[O-(2,3-epoxypropyl)]oxime
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 7h; Heating; |
(9-E)-deoxo-9-hydroximinoerythromycin A
2-(((benzyloxy)carbonyl)amino)ethyl 1-methanesulfonate
A
C47H79N3O15
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 24h; Heating; |
(9-E)-deoxo-9-hydroximinoerythromycin A
N-(benzyloxycarbonyl)-3-amino-1-propyl methanesulfonate
A
C48H81N3O15
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 24h; Heating; |
(9-E)-deoxo-9-hydroximinoerythromycin A
N-(benzyloxycarbonyl)-6-aminohexyl methanesulfonate
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 24h; Heating; |
(9-E)-deoxo-9-hydroximinoerythromycin A
6-(4-dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydro-pyran-2-yloxy)-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione 10-[O-(2-amino-ethyl)-oxime]
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
6-(4-dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydro-pyran-2-yloxy)-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione 10-[O-(3-amino-propyl)-oxime]
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
6-(4-dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydro-pyran-2-yloxy)-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione 10-[O-(6-amino-hexyl)-oxime]
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C 3: CH2Cl2; dimethylformamide / 20 °C 4: HF-pyridine / tetrahydrofuran / 0 - 4 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C 3: CH2Cl2; dimethylformamide / 20 °C 4: HF-pyridine / tetrahydrofuran / 0 - 4 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C 3: CH2Cl2; dimethylformamide / 20 °C 4: HF-pyridine / tetrahydrofuran / 0 - 4 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
C56H100N6O18Si
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C 3: CH2Cl2; dimethylformamide / 20 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
C57H102N6O18Si
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C 3: CH2Cl2; dimethylformamide / 20 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
C60H108N6O18Si
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: K2CO3 / acetone / 24 h / Heating 2: 100 percent / H2 / Pd/C / methanol / 20 °C 3: CH2Cl2; dimethylformamide / 20 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
A
3-O-descladinosyl-3-OH-6-O-allyl-erythromycin A 9-oxime
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 71 percent / pyridine hydrochloride / CH2Cl2 / 42 h / 20 °C 2.1: 90 percent / dimethylaminopyridine / pyridine / 3 h / 20 °C 3.1: 56 percent / potassium tert-butoxide / dimethylsulfoxide; tetrahydrofuran / 4 h 4.1: HCl / ethanol; H2O / 6 h / 50 °C 4.2: 72 percent / K2CO3 / methanol / 12 h / 50 °C View Scheme |
(9-E)-deoxo-9-hydroximinoerythromycin A
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: 71 percent / pyridine hydrochloride / CH2Cl2 / 42 h / 20 °C 2.1: 90 percent / dimethylaminopyridine / pyridine / 3 h / 20 °C 3.1: 56 percent / potassium tert-butoxide / dimethylsulfoxide; tetrahydrofuran / 4 h 4.1: HCl / ethanol; H2O / 6 h / 50 °C 4.2: 72 percent / K2CO3 / methanol / 12 h / 50 °C 5.1: triethylamine / palladium (II) acetate; triphenylphosphine / acetonitrile / 16 h / Heating View Scheme |
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