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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Epiestradiol Manufacturer/High quality/Best price/In stock

Cas:57-91-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers

Epiestradiol57-91-0

Cas:57-91-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Xi'an Xszo Chem Co., Ltd.

1. 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

Factory Price API 99% Estradiol 57-91-0 GMP Manufacturer

Cas:57-91-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

17α-Estradiol

Cas:57-91-0

Min.Order:5 Milligram

Negotiable

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai 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

lower price High quality Estradiol

Cas:57-91-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Chemwill Asia Co., Ltd.

CHemwill -- Epiestradiol

Cas:57-91-0

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Product Name: Estradiol Synonyms: 1,3,5-estratriene-3,17-alpha-diol;1,3,5-Estratriene-3,17alpha-diol;17alpha-Oestradiol;3,17alpha-Dihydroxyestra-1,3,5(10)-triene;3,17-alpha-dihydroxyoestra-1,3

Estradiol

Cas:57-91-0

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

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 manufacturin

Estradiol

Cas:57-91-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Wholesale price CAS 57-91-0 with best price

Cas:57-91-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Estradiol Supplier Chinese factory57-91-0 Manufacturer

Cas:57-91-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality 57-91-0 Estradiol with best price

Cas:57-91-0

Min.Order:10 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.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

Estra-1,3,5(10)-triene-3,17-diol,(17a)- 57-91-0

Cas:57-91-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Estradiol 99%

Cas:57-91-0

Min.Order:1 Kilogram

FOB Price: $186.0 / 210.0

Type:Trading Company

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

Our advantages: Advantage 1, we have overseas warehouse in the local country Products can be shipped to you from overseas warehouse. 3-4 days safe delivery. Or you can go to the warehouse and pick it up. (This can be selected according to the produc

Estradiol manufacturer with lowest price CAS 57-91-0

Cas:57-91-0

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Trading Company

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Estradiol Prohormone

Cas:57-91-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

CAS NO.:57-91-0

Cas:57-91-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Taizhou Crene Biotechnology co.ltd

Our 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-

Alfatradiol Estradiol 57-91-0

Cas:57-91-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Estradiol

Cas:57-91-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

Epiestradiol

Cas:57-91-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. We are a professional exporter for Optical Brighteners, dyes, pigments 2. Stable and continue quality 3. Quickly delivery 4. Good service Our advantages 1. Government awarded company. Top 100 enterprises in Hangzhou 2. Qua

17-Alpha-Estradiol

Cas:57-91-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

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

Estradiol

Cas:57-91-0

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

57-91-0 Estradiol Appearance:white powder Storage:room temperature Package:according to customers' requirements Application:Pharma intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF or CNF ect...)or accordin

57-91-0 Estradiol

Cas:57-91-0

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:White 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:Estradiol (known

Estradiol-

Cas:57-91-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

TaiChem Taizhou Limited

Established 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

Estradiol

Cas:57-91-0

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Lyander (Xiamen) Medical Technology Co., LTD

Lyander’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. Lyander can provide different quantities of cu

Estradiol

Cas:57-91-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our 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

Best OfferEstradiol

Cas:57-91-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

Estradiol

Cas:57-91-0

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

SAGECHEM LIMITED

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

17α-Estradiol

Cas:57-91-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

estradiol-3,17α-diacetate
1474-52-8

estradiol-3,17α-diacetate

A

α-estradiol
57-91-0

α-estradiol

B

17α-acetoxy-estra-1,3,5(10)-trien-3-ol
15068-99-2

17α-acetoxy-estra-1,3,5(10)-trien-3-ol

Conditions
ConditionsYield
With lipase from Candida cylindracea; octanol In various solvent(s) at 37℃; for 144h;A 60%
B 25%
1,3,5-trinitrobenzene
99-35-4

1,3,5-trinitrobenzene

Estrone
53-16-7

Estrone

A

estradiol
50-28-2

estradiol

B

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With propan-1-ol; sodium
pentan-1-ol
71-41-0

pentan-1-ol

17α-dihydroequilenin
6639-99-2

17α-dihydroequilenin

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With sodium
Estrone
53-16-7

Estrone

A

estradiol
50-28-2

estradiol

B

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With ethanol; nickel at 120℃; under 14710.2 Torr; Hydrogenation;
With potassium hydroxide; aluminum nickel at 80 - 90℃;
With aluminum isopropoxide; isopropyl alcohol
Estrone
53-16-7

Estrone

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
Isolierung aus dem Harn von weiblichen Kaninchen nach Injektion von (+)-Oestron;
Multi-step reaction with 2 steps
1: p-toluenesulfonic acid / methanol
2: NaBH4 / propan-2-ol; H2O / 16 h / Ambient temperature
View Scheme
Estrone
53-16-7

Estrone

aluminum isopropoxide
555-31-7

aluminum isopropoxide

isopropyl alcohol
67-63-0

isopropyl alcohol

A

estradiol
50-28-2

estradiol

B

α-estradiol
57-91-0

α-estradiol

estrone 3-benzoate
2393-53-5

estrone 3-benzoate

aluminum isopropoxide
555-31-7

aluminum isopropoxide

isopropyl alcohol
67-63-0

isopropyl alcohol

A

estradiol
50-28-2

estradiol

B

α-estradiol
57-91-0

α-estradiol

estradiol
50-28-2

estradiol

A

Estrone
53-16-7

Estrone

B

estrone sulfate
481-97-0

estrone sulfate

C

α-estradiol
57-91-0

α-estradiol

D

estradiol-3-sulfate
481-96-9

estradiol-3-sulfate

E

17-alpha-estradiol-3-sulfate
22139-70-4

17-alpha-estradiol-3-sulfate

F

estradiol-17ξ 17-sulfate
3233-69-0, 47328-45-0

estradiol-17ξ 17-sulfate

Conditions
ConditionsYield
Product distribution; Mechanism; metabolism after i. v. injection in White Leghorn laying hens, <3H>labelled;
estrone p-toluenesulfonylhydrazone
55105-93-6

estrone p-toluenesulfonylhydrazone

A

estradiol
50-28-2

estradiol

B

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With sodium tetrahydroborate In water; isopropyl alcohol for 16h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
Estrone
53-16-7

Estrone

nickel-aluminium-alloy

nickel-aluminium-alloy

aqueous KOH

aqueous KOH

A

estradiol
50-28-2

estradiol

B

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
at 80 - 90℃;
3,17β-bis--estra-1,3,5(10)-triene

3,17β-bis--estra-1,3,5(10)-triene

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With potassium acetate; N,N-dimethyl-formamide anschliessendes Behandeln mit methanol. KOH;
3-benzoyloxy-16α,17α-epoxy-estra-1,3,5(10)-triene

3-benzoyloxy-16α,17α-epoxy-estra-1,3,5(10)-triene

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With lithium aluminium tetrahydride
3-benzoyloxy-17β--estra-1,3,5(10)-triene

3-benzoyloxy-17β--estra-1,3,5(10)-triene

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With potassium acetate; N,N-dimethyl-formamide anschliessendes Behandeln mit methanol. KOH;
ethanol
64-17-5

ethanol

17α-dihydroequilenin
6639-99-2

17α-dihydroequilenin

sodium

sodium

A

α-estradiol
57-91-0

α-estradiol

B

estratriene-(B)-diol-(3α.17α)
517-08-8

estratriene-(B)-diol-(3α.17α)

pentan-1-ol
71-41-0

pentan-1-ol

17α-dihydroequilenin
6639-99-2

17α-dihydroequilenin

sodium

sodium

A

α-estradiol
57-91-0

α-estradiol

B

estratriene-(B)-diol-(3α.17α)
517-08-8

estratriene-(B)-diol-(3α.17α)

3-methoxy-1,3,5(10)-estratrien-17α-ol
3434-76-2

3-methoxy-1,3,5(10)-estratrien-17α-ol

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene
C37H40N4O7

C37H40N4O7

A

4-aminobenzenemethanol
623-04-1

4-aminobenzenemethanol

B

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With tris(2-carboxyethyl)phosphine In water; acetonitrile pH=7.4; aq. phosphate buffer; Inert atmosphere;
4-Nitro-benzoic acid (8R,9S,13S,14S,17R)-3-benzoyloxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl ester

4-Nitro-benzoic acid (8R,9S,13S,14S,17R)-3-benzoyloxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl ester

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water for 0.5h; Reflux;378.4 g
estradiol
50-28-2

estradiol

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: potassium carbonate; tetra(n-butyl)ammonium hydrogensulfate / dichloromethane; water
1.2: 2 h / 22 °C
2.1: di-isopropyl azodicarboxylate; triphenylphosphine / toluene / 1 h / 25 - 100 °C
3.1: sodium hydroxide / ethanol; water / 0.5 h / Reflux
View Scheme
19-nortestosterone
434-22-0

19-nortestosterone

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: 2-(diphenylphosphino)pyridine / toluene / 10 h / Cooling with ice
1.2: 20 h / 80 °C
2.1: copper(ll) bromide; lithium bromide / ethyl acetate / 4.5 h / 90 °C
3.1: potassium hydroxide / water; ethanol / 16 h / 95 °C
View Scheme
17α-benzoylestradiol

17α-benzoylestradiol

α-estradiol
57-91-0

α-estradiol

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water at 95℃; for 16h;
5-(dimethylamino)naphth-1-ylsulfonyl chloride
605-65-2

5-(dimethylamino)naphth-1-ylsulfonyl chloride

α-estradiol
57-91-0

α-estradiol

DNS-α-estradiol
100821-85-0

DNS-α-estradiol

Conditions
ConditionsYield
Duolite A-102D In acetone for 0.0833333h;93%
α-estradiol
57-91-0

α-estradiol

sodium hydride
7646-69-7

sodium hydride

17(α)-estradiol-3-sulfate sodium

17(α)-estradiol-3-sulfate sodium

Conditions
ConditionsYield
Stage #1: α-estradiol; sodium hydride In tetrahydrofuran at 22℃; for 1h;
Stage #2: With triethylamine sulfur trioxide In tetrahydrofuran at 22℃; Product distribution / selectivity;
90%
1,4-bis(3,5-bis(3,5-bis(chloromethyl)phenoxymethyl)phenoxy)butane

1,4-bis(3,5-bis(3,5-bis(chloromethyl)phenoxymethyl)phenoxy)butane

α-estradiol
57-91-0

α-estradiol

C196H234O22

C196H234O22

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride; potassium carbonate In acetonitrile for 48h; Reflux;89%
benzoyl triflate
36967-85-8

benzoyl triflate

α-estradiol
57-91-0

α-estradiol

estradiol 3,17a-benzoate
88722-94-5

estradiol 3,17a-benzoate

Conditions
ConditionsYield
In dichloromethane at -78℃; for 1h;86%
α-estradiol
57-91-0

α-estradiol

sodium methylate
124-41-4

sodium methylate

17(α)-estradiol-3-sulfate sodium

17(α)-estradiol-3-sulfate sodium

Conditions
ConditionsYield
Stage #1: α-estradiol; sodium methylate In tetrahydrofuran; methanol at 22℃; for 0.5h;
Stage #2: With sulfur trioxide trimethylamine complex In tetrahydrofuran; methanol at 22℃; for 20h; Product distribution / selectivity;
86%
α-estradiol
57-91-0

α-estradiol

(bromomethyl)pentafluorobenzene
1765-40-8

(bromomethyl)pentafluorobenzene

3-O-(pentafluorobenzyl)-α-estradiol

3-O-(pentafluorobenzyl)-α-estradiol

Conditions
ConditionsYield
With tetrabutylammomium bromide; water; potassium carbonate In N,N-dimethyl-formamide at 60℃; for 8h; Substitution;85%
C26H23N5O7
1304513-34-5

C26H23N5O7

α-estradiol
57-91-0

α-estradiol

C38H42N4O6

C38H42N4O6

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 72h; Inert atmosphere;85%
α-estradiol
57-91-0

α-estradiol

1,4-bis(3,5-bis(bromomethyl)phenoxy)butane
503153-29-5

1,4-bis(3,5-bis(bromomethyl)phenoxy)butane

C92H114O10

C92H114O10

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride; potassium carbonate In acetonitrile for 72h; Reflux;80%
ammonium hexafluorophosphate

ammonium hexafluorophosphate

(p-chlorotoluene)(cyclopenadienyl)iron hexafluorophosphate

(p-chlorotoluene)(cyclopenadienyl)iron hexafluorophosphate

α-estradiol
57-91-0

α-estradiol

3-O-[(η(6)-p-tolyl)(η(5)-cyclopentadienyl) iron] βestradiol hexafluorophosphate

3-O-[(η(6)-p-tolyl)(η(5)-cyclopentadienyl) iron] βestradiol hexafluorophosphate

Conditions
ConditionsYield
With hydrogenchloride; potassium tert-butylate In N,N-dimethyl-formamide stirring Fe-complex, steroid and t-BuOK, addn. of excess 10% HCl and then NH4PF6;77%
With hydrogenchloride; potassium carbonate In N,N-dimethyl-formamide stirring Fe-complex, steroid and K2CO3 at 55°C for 4-6 h, coolingto room temp., addn. of excess 10% HCl and then NH4PF6; partial evapn. (reduced pressure), extn. into CH2Cl2 (or CH2Cl2/MeNO2=1:1), drying (Na2SO4), evapn., chromy. (Al2O3, CCl4 or CHCl3; then CH2Cl2/CHCl3), evapn., drying (vac. desiccator); elem. anal.;77%
With hydrogenchloride; potassium carbonate In tetrahydrofuran; dimethyl sulfoxide stirring Fe-complex, steroid and K2CO3 in THF/DMSO=9:1 at 55°C for 4-6 h, cooling to room temp., addn. of excess 10% HCl and then NH4PF6; partial evapn. (reduced pressure), extn. into CH2Cl2 (or CH2Cl2/MeNO2=1:1), drying (Na2SO4), evapn., chromy. (Al2O3, CCl4 or CHCl3; then CH2Cl2/CHCl3), evapn., drying (vac. desiccator);
α-estradiol
57-91-0

α-estradiol

(8S,9S,13S,14S,17R)-2,4,10-triazido-17-hydroxy-13-methyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro3H-cyclopenta[a]phenanthren-3-one

(8S,9S,13S,14S,17R)-2,4,10-triazido-17-hydroxy-13-methyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro3H-cyclopenta[a]phenanthren-3-one

Conditions
ConditionsYield
With Amberlyst A26-resin bound iodine azide In acetonitrile at 20℃; for 2h; Catalytic behavior; Inert atmosphere;76%
α-estradiol
57-91-0

α-estradiol

dimethyl sulfate
77-78-1

dimethyl sulfate

3-methoxy-1,3,5(10)-estratrien-17α-ol
3434-76-2

3-methoxy-1,3,5(10)-estratrien-17α-ol

Conditions
ConditionsYield
With potassium hydroxide In methanol; water at 65℃; for 0.5h;75%
With sodium hydroxide
α-estradiol
57-91-0

α-estradiol

3-hydroxy-17β-methyl-13ξ,14ξ,18-norestra-1,3,5(10),8-tetraene

3-hydroxy-17β-methyl-13ξ,14ξ,18-norestra-1,3,5(10),8-tetraene

Conditions
ConditionsYield
With sulfuric acid for 0.333333h; Ambient temperature;72%
formaldehyd
50-00-0

formaldehyd

α-estradiol
57-91-0

α-estradiol

A

(8R,9S,13S,14S,17R)-3,17-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde
1336906-93-4

(8R,9S,13S,14S,17R)-3,17-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde

B

(8R,9S,13S,14S,17R)-3,17-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-2-carbaldehyde

(8R,9S,13S,14S,17R)-3,17-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-2-carbaldehyde

Conditions
ConditionsYield
Stage #1: formaldehyd; α-estradiol With triethylamine; magnesium chloride In tetrahydrofuran Inert atmosphere; Reflux;
Stage #2: With lithium hydroxide In methanol for 0.25h;
Stage #3: With hydrogenchloride In methanol; water
A n/a
B 69%
D-Glucose
2280-44-6

D-Glucose

α-estradiol
57-91-0

α-estradiol

R. oryzae AS 3.2380 fungus cells

R. oryzae AS 3.2380 fungus cells

3β-D-glucopyranosyl-17α-estradiol

3β-D-glucopyranosyl-17α-estradiol

Conditions
ConditionsYield
In water; acetone for 24h; pH=7; Time; Microbiological reaction; regioselective reaction;69%
α-estradiol
57-91-0

α-estradiol

2-azidoethyl vinyl ether

2-azidoethyl vinyl ether

C22H31N3O3

C22H31N3O3

Conditions
ConditionsYield
With toluene-4-sulfonic acid In dichloromethane at 20℃; for 3h; Inert atmosphere;39.6%
α-estradiol
57-91-0

α-estradiol

A

17α-estradiol-3-amidosulfonate

17α-estradiol-3-amidosulfonate

B

17α-estradiol 3,17α-disulphamate

17α-estradiol 3,17α-disulphamate

Conditions
ConditionsYield
With sulphamoyl chloride In acetonitrile for 10h;A 14.6%
B 35.4%
α-estradiol
57-91-0

α-estradiol

estradiol
50-28-2

estradiol

α-estradiol
57-91-0

α-estradiol

acetic anhydride
108-24-7

acetic anhydride

estradiol-3,17α-diacetate
1474-52-8

estradiol-3,17α-diacetate

α-estradiol
57-91-0

α-estradiol

benzoyl chloride
98-88-4

benzoyl chloride

17a-estradiol-3-benzoate
6045-53-0

17a-estradiol-3-benzoate

Conditions
ConditionsYield
With sodium hydroxide
Alkaline conditions;
α-estradiol
57-91-0

α-estradiol

benzoyl chloride
98-88-4

benzoyl chloride

estradiol 3,17a-benzoate
88722-94-5

estradiol 3,17a-benzoate

Conditions
ConditionsYield
With pyridine; dichloromethane
N,N-bis-(2-chloroethyl)carbamoyl chloride
2998-56-3

N,N-bis-(2-chloroethyl)carbamoyl chloride

α-estradiol
57-91-0

α-estradiol

Bis-(2-chloro-ethyl)-carbamic acid (8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl ester

Bis-(2-chloro-ethyl)-carbamic acid (8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl ester

Conditions
ConditionsYield
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In chloroform

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