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Hubei Vanz Pharm Co.,Ltd

Wuhan Vanz Pharm Inc Supply Top Quality CAS 50-28-2 β-ESTRADIOL, 99% purity, white powder, with COA Appearance:white powder Storage:RT Package:poly bag + foil bag Application:bodybuilding supplement, muscle enhance, Transportation:express via

Manufacturer Supply Top Quality CAS 50-28-2 β-ESTRADIOL

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $1500.0

Type:Manufacturers

inquiry

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

High Quality 99% β-Estradiol 50-28-2 GMP Manufacturer

Cas:50-28-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: β-ESTRADIOL Synonyms: 17β-Estradiol - CAS 50-28-2 - Calbiochem;(+)-3,17β-estradiol;(17b)-estra-1,3,5(10)-triene-3,17diol;(17β)-estra-1,3,5(10)-triene-3,17diol;.alpha.-Oestradiol;.beta.-Oestradiol;17-.beta.-Estra-

β-ESTRADIOL 99% Manufactuered in China high quality

Cas:50-28-2

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi New nine Material Technology Co., Ltd.

Our Advantage: 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good quali

β-Estradiol

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $10.0

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 email in time prod

Estradiol Estrogen Hormone Raw Powder

Cas:50-28-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Estradiol 50-28-2 98%MIN factory Product Name: Estradiol Benzoate Synonyms: 17-beta-Oestradiol 3-benzoate CAS RN.: 50-50-0 EINECS: 200-043-7 Molecular Weight: 37

Estradiol 50-28-2 98%MIN factory

Cas:50-28-2

Min.Order:1 Gram

FOB Price: $15.0

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

Estra-1,3,5(10)-triene-3,17-diol(17b)-CAS NO.: 50-28-2

Cas:50-28-2

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

98% up β-ESTRADIOL powder

Cas:50-28-2

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

Items Specifications Results Appearance White or almost white crystalline Almost white crystalline powder Melting Point 173℃~179℃ 176~179℃

CAS:50-28-2 Estradiol

Cas:50-28-2

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------

High purity 50-28-2 Estradiol

Cas:50-28-2

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

Wuhan Fortuna Chemical 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:2-8°C Package:1kg/foil b

High purity Estradiol CAS 50-28-2 supplied by manufacturer

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $1200.0

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

chengdu and import and export trade 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 res

Estradiol

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Manufacturers

inquiry

Xi'an Quanao Biotech Co., Ltd.

Xi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi

GMP 99% β-Estradiol USP grade cas:50-28-2

Cas:50-28-2

Min.Order:10 Gram

FOB Price: $9.0 / 11.0

Type:Manufacturers

inquiry

Hangzhou Think Chemical Co. Ltd

ITEM SPECIFICATION RESULT Description White or practically white , odorless powder Complies

Estradiol USP36 manufacturer

Cas:50-28-2

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Estradiol

Cas:50-28-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The 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

Factory Supply Estradiol

Cas:50-28-2

Min.Order:1

Negotiable

Type:Other

inquiry

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,

Estradiol

Cas:50-28-2

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 β-Estradiol

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

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

Estradiol Manufacturer/High quality/Best price/In stock

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hubei DiBo chemical co., LTD

Name:β-estradiol CAS NO:50-28-2 Grade:Medical scientific research and export Molecular formula:C18H24O2 Molecular weight:272.382 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Dat

β-estradiol/ CAS:50-28-2/β-estradiol raw material/ high-quality

Cas:50-28-2

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our 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 on.O

tianfu-chem_ β-ESTRADIOL 50-28-2

Cas:50-28-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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 manufactu

Beta -Estradiol :50-28-2

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

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

New production CAS 50-28-2 with best quality

Cas:50-28-2

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Hot selling high quality estradiol 50-28-2 with reasonable price and fast delivey

Cas:50-28-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

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/ LIDE PHARMA- Factory supply / Best price

Cas:50-28-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Product Name:ESTRADIOL CAS: 50-28-2 MF: C18H24O2 MW: 272.38 EINECS: 200-023-8 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:drum Application:Hormone; Oestreogen & Progesterone Transpor

Estradiol

Cas:50-28-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: β-ESTRADIOL Molecular Structure: Formula: C18H24O2 Molecular Weight : 272.38 Synonyms: BETA-ESTRADIOL-16,16,17-D3;17BETA-ESTRADIOL-16,16,17-D3;β-

Factory Supply β-ESTRADIOL

Cas:50-28-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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(17b)- 50-28-2

Cas:50-28-2

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

Synthetic route

estrone acetate
901-93-9

estrone acetate

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With diisobutylaluminium hydride; nickel dichloride In dichloromethane; toluene at -78℃; for 0.25h; Inert atmosphere;99%
3-O-methyl-17β-oestradiol
1035-77-4

3-O-methyl-17β-oestradiol

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With aluminium trichloride In ethanethiol for 0.5h; Ambient temperature;97.5%
With aluminium trichloride In ethanethiol for 0.5h; Ambient temperature;97.5%
With pyridine hydrochloride at 200℃; for 1h; Microwave irradiation; Ionic liquid;92%
Estrone
53-16-7

Estrone

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
Stage #1: Estrone With sodium tetrahydroborate; sodium hydroxide In methanol; water for 0.75h;
Stage #2: With hydrogenchloride In methanol; water
97%
With silver tetrafluoroborate; diphenylsilane; C33H43ClN3ORh In dichloromethane at 40℃; for 24h; Reagent/catalyst; Glovebox; Sealed tube; diastereoselective reaction;95%
With potassium borohydride; Aliquat 336 In water at 60℃; for 1.5h;92%
3-benzyloxyestra-1,3,5(10)-trien-17β-ol
14982-15-1

3-benzyloxyestra-1,3,5(10)-trien-17β-ol

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With pyridine hydrochloride at 200℃; for 0.833333h; Microwave irradiation; Ionic liquid;97%
With palladium; acetic acid Hydrogenolyse;
With ethanol; sodium
With hydrogenchloride at 100℃;
3,17β-bis(benzyloxy)estra-1,3,5(10)-triene
69455-04-5

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

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With aluminium trichloride; 1-dodecylthiol at 20℃; for 1h;97%
(8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene
113680-55-0

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

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With aluminium trichloride; 1-dodecylthiol at 20℃; for 1h;96%
(8R,9S,13S,14S,17S)-3,17-dimethoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene
4954-14-7

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

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With aluminium trichloride; 1-dodecylthiol at 20℃; for 1h;95%
With aluminum tri-bromide In ethanethiol for 1h; Ambient temperature;94.3%
With aluminum tri-bromide In ethanethiol for 1h; Ambient temperature;94.3%
methanol
67-56-1

methanol

17β-estradiol-3,17-disulfate potassium salt
17046-60-5

17β-estradiol-3,17-disulfate potassium salt

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With toluene-4-sulfonic acid In 1,4-dioxane; water at 60℃; for 72h; Product distribution; Further Variations:; Solvents; Temperatures; Hydrolysis;90%
androsta-1,4-diene-3α/β,17β-diol
10520-93-1

androsta-1,4-diene-3α/β,17β-diol

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With n-butyllithium In hexane; toluene at 100℃; for 11h; Aromatisation;83.8%
estradiol-17β 3-propargyl ether
28151-61-3

estradiol-17β 3-propargyl ether

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With benzyltriethylammonium tetrathiomolybdate In acetonitrile at 28℃; for 48h;82%
(8R,9S,13S,14S,17S)-13-Methyl-3,17-bis-[1-(2-trimethylsilanyl-ethoxy)-ethoxy]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene

(8R,9S,13S,14S,17S)-13-Methyl-3,17-bis-[1-(2-trimethylsilanyl-ethoxy)-ethoxy]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran at 45℃; for 24h;81%
1β-hydroxy-3-trimethylsilylestra-1,3,5(10)-triene
250331-30-7

1β-hydroxy-3-trimethylsilylestra-1,3,5(10)-triene

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With Pb(trifluoroacetate)4; trifluoroacetic acid at 20℃; for 0.5h; Oxidation;80%
(8R,9S,13S,14S,17S)-3-(4-methoxybenzyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
1575722-51-8

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

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With proton-exchanged montmorillonite In dichloromethane at 20℃;78%
9(11)-Dehydroestradiol
791-69-5

9(11)-Dehydroestradiol

A

estradiol
50-28-2

estradiol

B

9beta-Estradiol
5864-38-0

9beta-Estradiol

Conditions
ConditionsYield
With Hexamethyldisiloxane; toluene-4-sulfonic acid In methanol; dichloromethane at -30 - 38℃;A 72.8%
B n/a
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

2,4-dibromo-3,17β-bis(trimethylsiloxy)estra-1,3,5(10)-triene
80128-36-5

2,4-dibromo-3,17β-bis(trimethylsiloxy)estra-1,3,5(10)-triene

A

estradiol
50-28-2

estradiol

B

2-(trimethylsilyl)estra-1,3,5(10)-triene-3,17β-diol
55934-99-1

2-(trimethylsilyl)estra-1,3,5(10)-triene-3,17β-diol

C

4-(trimethylsilyl)estra-1,3,5(10)-triene-3,17β-diol
55898-45-8

4-(trimethylsilyl)estra-1,3,5(10)-triene-3,17β-diol

Conditions
ConditionsYield
With methanol; sodium; potassium carbonate 1.) xylene, 1 h, 110 deg C, 2.) 1 h, 20 deg C; Yields of byproduct given;A n/a
B 68%
C n/a
With methanol; sodium; potassium carbonate 1.) xylene, 1 h, 110 deg C, 2.) 1 h, 20 deg C; Yield given;A n/a
B 68%
C n/a
sodium methylate
124-41-4

sodium methylate

3,17β-di-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-triene
90850-50-3

3,17β-di-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-triene

A

estradiol
50-28-2

estradiol

B

17β-<2,6-difluoro-3,5-dimethoxy-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-trien-3-ol
90850-54-7

17β-<2,6-difluoro-3,5-dimethoxy-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-trien-3-ol

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 10℃; for 2h;A 4%
B 68%
10β-Hydroxy-17β-(benzoyloxy)-19-norandrost-4-en-3-one
159045-76-8

10β-Hydroxy-17β-(benzoyloxy)-19-norandrost-4-en-3-one

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
With potassium hydroxide In methanol for 1h; Heating;68%
2-Iodoestradiol
24381-12-2

2-Iodoestradiol

A

estradiol
50-28-2

estradiol

B

2-Methoxyestradiol
362-07-2

2-Methoxyestradiol

Conditions
ConditionsYield
With copper(l) iodide; sodium methylate In methanol; N,N-dimethyl-formamideA 50%
B 3%
2-bromoestradiol
15833-07-5

2-bromoestradiol

sodium methylate
124-41-4

sodium methylate

A

estradiol
50-28-2

estradiol

B

2-Methoxyestradiol
362-07-2

2-Methoxyestradiol

Conditions
ConditionsYield
With copper(l) iodide In methanol; N,N-dimethyl-formamideA 50%
B 3%
2-bromoestradiol
15833-07-5

2-bromoestradiol

A

estradiol
50-28-2

estradiol

B

2-Methoxyestradiol
362-07-2

2-Methoxyestradiol

Conditions
ConditionsYield
With copper(l) iodide; sodium methylate In methanol; N,N-dimethyl-formamideA 50%
B 3%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

3-methoxy-17β-(trimethylsiloxy)estra-1,3,5(10)-triene
18880-67-6

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

A

estradiol
50-28-2

estradiol

B

D-1α-(trimethylsilyl)-17β-hydroxyestr-5(10)-en-3-one
76920-12-2

D-1α-(trimethylsilyl)-17β-hydroxyestr-5(10)-en-3-one

C

D-1α-(trimethylsilyl)-17β-hydroxyestr-4-en-3-one
86678-01-5

D-1α-(trimethylsilyl)-17β-hydroxyestr-4-en-3-one

D

(1R,8S,9S,13S,14S,17S)-17-Hydroxy-13-methyl-1-trimethylsilanyl-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one

(1R,8S,9S,13S,14S,17S)-17-Hydroxy-13-methyl-1-trimethylsilanyl-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one

Conditions
ConditionsYield
With 2O deg C; DME+HMPA; lithium; acetic acid Product distribution; oth. solvent;A 9.9%
B 37%
C 13%
D 9.9%
ethinyl estradiol
57-63-6

ethinyl estradiol

A

estradiol
50-28-2

estradiol

B

17α-vinylestradiol
7678-95-7

17α-vinylestradiol

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydroxide In water at 70℃; electrolysis;A n/a
B 30%
With tetra(n-butyl)ammonium hydroxide In water electrolysis;A n/a
B 30%
estramustine
2998-57-4

estramustine

A

estradiol
50-28-2

estradiol

B

Estrone
53-16-7

Estrone

Conditions
ConditionsYield
With cytosyl normal human prostate for 1h; Product distribution; Ambient temperature;A 9.6%
B 8.9%
6-dehydro-19-nortestosterone acetate
2590-41-2

6-dehydro-19-nortestosterone acetate

allyl-trimethyl-silane
762-72-1

allyl-trimethyl-silane

A

estradiol
50-28-2

estradiol

B

17β-acetoxy-7α-allyloestr-4-en-3-one
119020-33-6

17β-acetoxy-7α-allyloestr-4-en-3-one

Conditions
ConditionsYield
With diethylaluminium chloride In dichloromethane at -15℃; for 2.5h; Product distribution; other reagents and products; other solvents and temperatures;A 2%
B 2%
quinoline
91-22-5

quinoline

1-dehydrotestosterone
846-48-0

1-dehydrotestosterone

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
at 370 - 390℃;
at 370 - 390℃;
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
tetralin
119-64-2

tetralin

1-dehydrotestosterone
846-48-0

1-dehydrotestosterone

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
at 370 - 390℃;
at 370 - 390℃;
1,2-Dihydronaphthalene
447-53-0

1,2-Dihydronaphthalene

1-dehydrotestosterone
846-48-0

1-dehydrotestosterone

estradiol
50-28-2

estradiol

Conditions
ConditionsYield
at 370 - 390℃;
at 370 - 390℃;
9,10-dihydrophenanthrene
776-35-2

9,10-dihydrophenanthrene

1-dehydrotestosterone
846-48-0

1-dehydrotestosterone

A

estradiol
50-28-2

estradiol

B

4-methyl-estratriene-(1.3.5(10))-diol-(1.17β)
3597-39-5

4-methyl-estratriene-(1.3.5(10))-diol-(1.17β)

Conditions
ConditionsYield
at 390℃;
Estrone
53-16-7

Estrone

A

estradiol
50-28-2

estradiol

B

Estriol
50-27-1

Estriol

Conditions
ConditionsYield
Isolierung aus dem Harn von Maennern nach Injektion von (+)-O-Acetyl-oestron;
estradiol
50-28-2

estradiol

acetic anhydride
108-24-7

acetic anhydride

Conditions
ConditionsYield
With toluene-4-sulfonic acid for 0.00833333h; microwave irradiation;100%
With pyridine at 20℃; for 16h; Cooling with ice;98%
With pyridine In dichloromethane at 20℃; for 12h;96%
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

estradiol
50-28-2

estradiol

3,17β-bis(2-tetrahydropyranyloxy)estra-1,3,5(10)-triene
3589-91-1

3,17β-bis(2-tetrahydropyranyloxy)estra-1,3,5(10)-triene

Conditions
ConditionsYield
With toluene-4-sulfonic acid In dichloromethane at 20℃; for 3h;100%
With 2,4,6-Trinitrophenol In benzene98%
With toluene-4-sulfonic acid94%
estradiol
50-28-2

estradiol

diethyl dicarbonate
1609-47-8

diethyl dicarbonate

17β-Estradiol-bis-ethyl carbonate
105660-13-7

17β-Estradiol-bis-ethyl carbonate

Conditions
ConditionsYield
for 0.5h; Heating;100%
estradiol
50-28-2

estradiol

para-nitrophenyl triflate
17763-80-3

para-nitrophenyl triflate

3-(trifluoromethanesulfonyl)-β-estradiol
167845-80-9

3-(trifluoromethanesulfonyl)-β-estradiol

Conditions
ConditionsYield
With potassium carbonate In pentane for 2h; Ambient temperature;100%
estradiol
50-28-2

estradiol

Estrone
53-16-7

Estrone

Conditions
ConditionsYield
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O) In tert-butyl alcohol at 130℃; for 20h;100%
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O) In tert-butyl alcohol for 20h; Reflux;100%
With polystyrene-supported(cathecholato) oxoRe cat. act by iPrOH; dimethyl sulfoxide In toluene for 4h; Heating; Dean-Stark apparatus;98%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

estradiol
50-28-2

estradiol

3-(t-butoxycarbonyl)-estradiol
1075685-75-4

3-(t-butoxycarbonyl)-estradiol

Conditions
ConditionsYield
With dmap In tetrahydrofuran; dichloromethane at -5 - 20℃; under 760.051 Torr; for 3h;100%
estradiol
50-28-2

estradiol

tert-butyl 2-(4-nitrophenyl)diazenecarboxylate
92722-14-0

tert-butyl 2-(4-nitrophenyl)diazenecarboxylate

C29H36N2O4
1262991-80-9

C29H36N2O4

Conditions
ConditionsYield
Stage #1: estradiol With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;
Stage #2: tert-butyl 2-(4-nitrophenyl)diazenecarboxylate In N,N-dimethyl-formamide at 20℃; Inert atmosphere;
100%
Stage #1: estradiol With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;
Stage #2: tert-butyl 2-(4-nitrophenyl)diazenecarboxylate In N,N-dimethyl-formamide Inert atmosphere;
100%
vinyl acetate
108-05-4

vinyl acetate

estradiol
50-28-2

estradiol

estradiol 3-acetate
4245-41-4

estradiol 3-acetate

Conditions
ConditionsYield
With rubidium fluoride In acetonitrile at 80℃; for 1h;100%
estradiol
50-28-2

estradiol

<2,4-2H2>-1,3,5(10)-estratriene-3,17β-diol
53866-33-4

<2,4-2H2>-1,3,5(10)-estratriene-3,17β-diol

Conditions
ConditionsYield
With perchloric acid; chloroform-d1; d(4)-methanol at 75℃; for 144h; Inert atmosphere;100%
estradiol
50-28-2

estradiol

ethyl acetate
141-78-6

ethyl acetate

17-β-estradiol 17-acetate
1743-60-8

17-β-estradiol 17-acetate

Conditions
ConditionsYield
With C12F18O13Zn4 for 40h; Reflux; Inert atmosphere; chemoselective reaction;99%
With sodium hydrogen sulfate; silica gel In hexane at 67℃; for 72h;59%
estradiol
50-28-2

estradiol

N,N-Dimethylcarbamoyl chloride
79-44-7

N,N-Dimethylcarbamoyl chloride

3-O-[17β-hydroxy-estra-1,3,5(10)-trien]-yl-N,N-dimethylcarbamate

3-O-[17β-hydroxy-estra-1,3,5(10)-trien]-yl-N,N-dimethylcarbamate

Conditions
ConditionsYield
With potassium carbonate at 90℃; for 3h;98%
2-bromo-pyridine
109-04-6

2-bromo-pyridine

estradiol
50-28-2

estradiol

3-(2-pyridoxy)estra-1,3,5(10)-trien-17β-ol

3-(2-pyridoxy)estra-1,3,5(10)-trien-17β-ol

Conditions
ConditionsYield
With 2-Picolinic acid; potassium phosphate; copper(l) iodide In dimethyl sulfoxide at 90℃; for 24h;98%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

estradiol
50-28-2

estradiol

3,17β-bis(trimethylsiloxy)estra-1,3,5(10)-triene
5150-62-9

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

Conditions
ConditionsYield
With 1,1,1,3,3,3-hexamethyl-disilazane In benzene for 5h; Heating;97%
estradiol
50-28-2

estradiol

benzyl bromide
100-39-0

benzyl bromide

3-benzyloxyestra-1,3,5(10)-trien-17β-ol
14982-15-1

3-benzyloxyestra-1,3,5(10)-trien-17β-ol

Conditions
ConditionsYield
With 18-crown-6 ether; potassium carbonate In acetone Reflux;97%
With potassium carbonate In acetone Heating;93%
With potassium carbonate In acetone for 18h; Reflux;93%
estradiol
50-28-2

estradiol

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

(8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene
113680-55-0

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

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran Heating;97%
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20 - 80℃; for 3h;97%
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran Heating;96%
estradiol
50-28-2

estradiol

methyl iodide
74-88-4

methyl iodide

3-O-methyl-17β-oestradiol
1035-77-4

3-O-methyl-17β-oestradiol

Conditions
ConditionsYield
With sodium carbonate In methanol for 64h; Reflux; Inert atmosphere;97%
With potassium carbonate In acetonitrile for 15h; Heating;94%
With potassium carbonate
With potassium carbonate
With potassium carbonate
estradiol
50-28-2

estradiol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

3,17β-bis(toluene-4-sulfonyloxy)-1,3,5(10)-estratriene
144150-78-7

3,17β-bis(toluene-4-sulfonyloxy)-1,3,5(10)-estratriene

Conditions
ConditionsYield
With pyridine; dmap for 2h; Ambient temperature;96.5%
With pyridine87%
estradiol
50-28-2

estradiol

propionic acid anhydride
123-62-6

propionic acid anhydride

estradiol dipropionate
113-38-2

estradiol dipropionate

Conditions
ConditionsYield
With pyridine at 20℃;96%
With pyridine at 105 - 110℃; for 1h;80.03%
With pyridine at 105 - 120℃;
With pyridine
estradiol
50-28-2

estradiol

C18H23BrO2
79769-51-0

C18H23BrO2

Conditions
ConditionsYield
With N-chloro-succinimide; sodium bromide In ethanol for 0.5h; Ambient temperature;96%
estradiol
50-28-2

estradiol

benzyl bromide
100-39-0

benzyl bromide

3,17β-bis(benzyloxy)estra-1,3,5(10)-triene
69455-04-5

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

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 20h;96%
Stage #1: estradiol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: benzyl bromide In N,N-dimethyl-formamide
95%
In N-methyl-acetamide95%
estradiol
50-28-2

estradiol

4-bromo-β-estradiol
1630-83-7

4-bromo-β-estradiol

Conditions
ConditionsYield
With N-Bromosuccinimide In methanol at 20℃; for 24h; Schlenk technique;96%
With N-Bromosuccinimide In ethanol for 24h;55%
Multi-step reaction with 2 steps
1.1: tetraethylammonium bromide / dimethylsulfoxide / Electrolysis
1.2: pyridine / CH2Cl2
2.1: KOH / methanol / 2 h / Heating
View Scheme
With N-Bromosuccinimide In ethanol at 20℃;
estradiol
50-28-2

estradiol

(8R,9S,13S,14S,17S)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yloxysulfonyl fluoride

(8R,9S,13S,14S,17S)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yloxysulfonyl fluoride

Conditions
ConditionsYield
With fluorosulfonyl fluoride; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 18h;96%
With fluorosulfonyl fluoride; triethylamine In dichloromethane at 20℃; for 12h; Sealed tube;84%
Stage #1: estradiol With triethylamine In acetonitrile at 20℃; for 0.166667h;
Stage #2: With 1-(fluorosulfuryl)-2,3-dimethyl-1H-imidazol-3-ium trifluoromethanesulfonate In acetonitrile for 1h; Inert atmosphere;
82%
estradiol
50-28-2

estradiol

(8S,9S,13S,14S,17S)-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,17S)-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 3h; Catalytic behavior; Inert atmosphere;96%
estradiol
50-28-2

estradiol

perfluorotoluene
434-64-0

perfluorotoluene

3-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-trien-17β-ol
90850-46-7

3-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-trien-17β-ol

Conditions
ConditionsYield
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water for 1h; Ambient temperature;95%
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