GOLDEN 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
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
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Min.Order:1 Kilogram
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Min.Order:1 Kilogram
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inquiryItems Standard Result Assay 98%min -----------------------------------------------------------------------------------------------
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Min.Order:1 Gram
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Type:Manufacturers
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 powder Storage:Refrigerator Package:1kg/foil bag; 1
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Min.Order:1 Gram
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Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
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Min.Order:1 Kilogram
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Type:Manufacturers
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
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Min.Order:1 Metric Ton
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inquiryNow we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as diabtes series, Anti
With 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
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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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Min.Order:10 Kilogram
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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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Min.Order:1 Kilogram
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Min.Order:10 Gram
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Min.Order:1 Kilogram
Negotiable
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Min.Order:1 Gram
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Min.Order:1 Kilogram
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inquiryAppearance:white or yellowish white flaky crystal Storage:Keep the sun from direct sunlight ;prevention against high temperature Package:As customer request Application:Used for research and industrial manufacture. Transportatio
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Min.Order:100 Metric Ton
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Zibo 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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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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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,
Conditions | Yield |
---|---|
With potassium hydroxide | |
With water; sodium hydroxide In methanol for 5h; Reflux; |
17-hydroxy-6β-methyl-pregn-4-ene-3,20-dione
Medroxyprogesterone
Conditions | Yield |
---|---|
With hydrogenchloride; chloroform |
5,17-dihydroxy-6β-methyl-5α-pregnane-3,20-dione
Medroxyprogesterone
Conditions | Yield |
---|---|
With hydrogenchloride; chloroform | |
With hydrogenchloride | |
Multi-step reaction with 2 steps 1: pyridine; aq. NaOH solution 2: HCl; CHCl3 View Scheme |
16β-bromo-17-hydroxy-6α-methyl-pregn-4-ene-3,20-dione
Medroxyprogesterone
Conditions | Yield |
---|---|
With methanol; nickel |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: benzene; toluene-4-sulfonic acid 2: peroxybenzoic acid; chloroform 3: benzene; diethyl ether 4: aqueous methanol.H2SO4 5: CrO3; pyridine 6: aqueous HCl View Scheme |
3β,5,17-trihydroxy-6β-methyl-5α-pregnan-20-one
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CrO3; pyridine 2: aqueous HCl View Scheme |
20,20-ethanediyldioxy-6β-methyl-5α-pregnane-3β,5,17-triol
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aqueous methanol.H2SO4 2: CrO3; pyridine 3: aqueous HCl View Scheme |
3β-acetoxy-20,20-ethanediyldioxy-pregn-5-en-17-ol
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: peroxybenzoic acid; chloroform 2: benzene; diethyl ether 3: aqueous methanol.H2SO4 4: CrO3; pyridine 5: aqueous HCl View Scheme |
3β-acetoxy-20,20-ethanediyldioxy-5,6α-epoxy-5α-pregnan-17-ol
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: benzene; diethyl ether 2: aqueous methanol.H2SO4 3: CrO3; pyridine 4: aqueous HCl View Scheme |
3β-acetoxy-5,6α-epoxy-17ξ-((Ξ)-tetrahydropyran-2-yloxy)-5α-androstane-17ξ-carbonitrile
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: anisole; diethyl ether 2: CrO3; pyridine 3: aqueous HCl View Scheme |
6-methylpregn-5-ene-3β,17α-diol-20-one diacetate
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aqueous methanol. HCl 2: cyclohexanone; aluminium isopropylate; toluene 3: aqueous methanol.KOH View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: cyclohexanone; aluminium isopropylate; toluene 2: aqueous methanol.KOH View Scheme |
16α,17-epoxy-6α-methyl-pregn-4-ene-3,20-dione
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water; acetic acid; HBr 2: Raney nickel; methanol View Scheme |
3,3;20,20-bis-ethanediyldioxy-6β-methyl-5α-pregnane-5,17-diol
Medroxyprogesterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetone / saure Hydrolyse 2: HCl; CHCl3 View Scheme | |
Multi-step reaction with 3 steps 1: acetone / saure Hydrolyse 2: pyridine; aq. NaOH solution 3: HCl; CHCl3 View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: peroxyacetic acid 2: tetrahydrofuran 3: acetone / saure Hydrolyse 4: HCl; CHCl3 View Scheme | |
Multi-step reaction with 5 steps 1: peroxyacetic acid 2: tetrahydrofuran 3: acetone / saure Hydrolyse 4: pyridine; aq. NaOH solution 5: HCl; CHCl3 View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: tetrahydrofuran 2: acetone / saure Hydrolyse 3: HCl; CHCl3 View Scheme | |
Multi-step reaction with 4 steps 1: tetrahydrofuran 2: acetone / saure Hydrolyse 3: pyridine; aq. NaOH solution 4: HCl; CHCl3 View Scheme |
phenylacetic acid
Medroxyprogesterone
6α-methyl-17-phenylacetoxy-pregn-4-ene-3,20-dione
3-cyclopentylpropionic acid
Medroxyprogesterone
17-(3-cyclopentyl-propionyloxy)-6α-methyl-pregn-4-ene-3,20-dione
Conditions | Yield |
---|---|
With trifluoroacetic anhydride |
Conditions | Yield |
---|---|
With chloranil |
Conditions | Yield |
---|---|
With peroxide containing THF; iodine; calcium oxide Reagens 4:Methanol; Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton; | |
With 1,4-dioxane; iodine; calcium oxide Reagens 4:Methanol; Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton; |
Medroxyprogesterone
6-methyl-3,17-bis-propionyloxy-pregna-3,5-dien-20-one
Conditions | Yield |
---|---|
/BRN= 3183816/; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; acetic acid |
Medroxyprogesterone
acetic anhydride
3,17-diacetoxy-6-methyl-pregna-3,5-dien-20-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; acetic acid | |
With toluene-4-sulfonic acid |
Medroxyprogesterone
acetic anhydride
3,17,20-triacetoxy-6-methyl-pregna-3,5,20-triene
Conditions | Yield |
---|---|
With Isopropenyl acetate; toluene-4-sulfonic acid |
Medroxyprogesterone
propionic acid
6α-methyl-17-propionyloxy-pregn-4-ene-3,20-dione
Conditions | Yield |
---|---|
With trifluoroacetic anhydride |
Medroxyprogesterone
2,2-dimethoxy-propane
17α-Hydroxy-3-methoxy-6-methyl-pregna-3,5-dien-20-on
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol; N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; toluene-4-sulfonic acid 2: tetrachloro-<1,4>benzoquinone View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; toluene-4-sulfonic acid 2: SeO2; pyridine; tert-butyl alcohol View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid; toluene-4-sulfonic acid 2: tetrachloro-<1,4>benzoquinone 3: SeO2; pyridine; tert-butyl alcohol View Scheme |
Medroxyprogesterone
17,21-diacetoxy-6-methyl-pregna-4,6-diene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: iodine; CaO; dioxane / Reagens 4:Methanol; Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton 2: acetic acid; toluene-4-sulfonic acid / bei Siedetemperatur 3: tetrachloro-<1,4>benzoquinone; tert-butyl alcohol View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: iodine; CaO; peroxide containing THF / Reagens 4:Methanol; Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton 2: acetic acid; toluene-4-sulfonic acid / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1: iodine; CaO; dioxane / Reagens 4:Methanol; Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton 2: acetic acid; toluene-4-sulfonic acid / bei Siedetemperatur View Scheme |
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