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Qiuxian Yanjia Trading Co., Ltd

Advantages 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent

Trestolone Acetate 50mg TA-50(MENT) steroid powder/oil in stock

Cas:6157-87-5

Min.Order:1 box

FOB Price: $55.0 / 60.0

Type:Trading Company

inquiry

Hubei Mawer Biological Technology Co., Ltd.

Our service: 1.We have experience in exporting Pharmaceutical intermediates . 2.Professional packing with professional materials 3. We have products in stock, and we will deliver them soon when your PO arrived. Meanwhile we will give you the trackin

Trestolone Acetate / Ment CAS NO.6157-87-5

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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Saiwante (shanghai) New Material Technology Co., Ltd.

Pharmaceutical Raw Trestolone Powder Trestolone Acetate CAS 6157-87-5 product name: trestolone acetate cas no.: 6157-87-5 synonyms: 17β -hydroxy-7α -methylestr-4-en-3-one acetate; 3-oxo-7α -methylestra-4-ene-17β -ol acetate; ac

Pharmaceutical Raw Trestolone Powder Trestolone Acetate CAS 6157-87-5

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $8.0 / 11.0

Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

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

Trestolone acetate

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

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

High purity Trestolone acetate 6157-87-5

Cas:6157-87-5

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

Reason for Choosing us: 1): Superior Quality and Competitive Price: Our company is a renowned pharmaceutical manufacturer with more than 15 years experiences in China and all powders are supplying from our factory directly. 2): Fast ,Sa

Pharmaceutical Raw Trestolone Powder Trestolone Acetate CAS NO.6157-87-5

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Manufacturers

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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

High Quality 99% Trestolone acetate 6157-87-5 ISO Manufacturer

Cas:6157-87-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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 trestolone acetate

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name: Triptolone Acetate Alias: Triptolone Acetate English name: trestolone acetate English alias: Trestolone acetate [USAN]; Trestolone acetate; CAS No. 6157-87-5 Molecular formula: C21H3003 Molecular weight: 330.4611

Trestolone acetate Manufacturer/supplier in China/High quality

Cas:6157-87-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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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

trestolone acetate / LIDE PHARMA- Factory supply / Best price

Cas:6157-87-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

trestolone acetate Basic information Product Name: trestolone acetate Synonyms: IVCRCPJOLWECJU-XQVQQVTHSA-N;17β-Hydroxy-7α-methylestr-4-en-3-one acetate;3-Oxo-7α-methylestra-4-ene-17β-ol acetate;Acetic acid 3-oxo-7α-

Factory Supply trestolone acetate

Cas:6157-87-5

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Trestolone Acetate / Ment CAS NO.6157-87-5

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $7800.0 / 8000.0

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

Competitve Price 6157-87-5 trestolone acetate(MENT)

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd

Trestolone acetate

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $5.0 / 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

Trestolone acetate

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

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

Trestolone Acetate Manufacturer 6157-87-5 Treatment Of Benign Hyperplasia

Cas:6157-87-5

Min.Order:10 Gram

Negotiable

Type:Other

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

Trestolone acetate 6157-87-5

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

We have overseas warehouses in California, Nuevo Laredo, Mexico, Vancouver, Canada, Amsterdam, The Netherlands and Melbourne, Australia. Overseas warehouses can provide some of the best selling products. We look forward to cooperating with strong loc

TLA Trestolone Acetate cas 6157-87-5

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

trestolone acetate CAS:6157-87-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic interme

trestolone acetate CAS:6157-87-5

Cas:6157-87-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi

Trestolone Acetate(MENT) Powder factory bulk supply

Cas:6157-87-5

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Trestolone acetate CAS: 6157-87-5 Specification Welcome to contact us to get complete COA. Shanghai Lonwin Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermed

Factory supply Trestolone acetate

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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

Trestolone acetate

Cas:6157-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

Good Supplier trestolone acetate

Cas:6157-87-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder 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:Used as Pharmaceuti

Trestolone acetate

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: Trestolone Acetate CAS No.:6157-87-5 Molecule Formula:C21H30O3 Molecule Weight:330.46 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

Best Quality Trestolone Acetate with good supplier

Cas:6157-87-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

Top Purity Trestolone acetate

Cas:6157-87-5

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,

trestoloneacetate

Cas:6157-87-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?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

Trestolone Acetate(MENT) Powder CAS 6157-87-5

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu 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

Trestolone acetate

Cas:6157-87-5

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality produc

Trestolone acetate

Cas:6157-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

6-dehydro-19-nortestosterone acetate
2590-41-2

6-dehydro-19-nortestosterone acetate

methylmagnesium chloride
676-58-4

methylmagnesium chloride

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
Stage #1: 6-dehydro-19-nortestosterone acetate; methylmagnesium chloride; copper diacetate In tetrahydrofuran at -45 - -35℃; for 3h;
Stage #2: With hydrogenchloride In tetrahydrofuran; water at 10℃; for 0.5h;
78%
Stage #1: 6-dehydro-19-nortestosterone acetate; methylmagnesium chloride; copper(l) chloride In tetrahydrofuran at -30℃; for 3 - 4h;
Stage #2: With sulfuric acid; water In tetrahydrofuran for 1.33333h;

7alpha-Methyl-19-nortestosterone acetate

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
Stage #1: zirconocene methyl chloride With silver trifluoromethanesulfonate; copper(l) chloride; (3,5-dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']dinaphthalen-4-yl)-bis-(1-phenyl-ethyl)-amine In diethyl ether; dichloromethane at 20℃; for 0.166667h; Darkness; Inert atmosphere;
Stage #2: 6-dehydro-19-nortestosterone acetate With chloro-trimethyl-silane In diethyl ether; dichloromethane at 20℃; for 15h; Inert atmosphere; Darkness; stereoselective reaction;
61%
6-dehydro-19-nortestosterone acetate
2590-41-2

6-dehydro-19-nortestosterone acetate

methylmagnesium chloride
676-58-4

methylmagnesium chloride

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
Stage #1: 6-dehydro-19-nortestosterone acetate; methylmagnesium chloride; copper diacetate In tetrahydrofuran at -45 - -35℃; for 3h;
Stage #2: With hydrogenchloride In tetrahydrofuran; water at 10℃; for 0.5h;
78%
Stage #1: 6-dehydro-19-nortestosterone acetate; methylmagnesium chloride; copper(l) chloride In tetrahydrofuran at -30℃; for 3 - 4h;
Stage #2: With sulfuric acid; water In tetrahydrofuran for 1.33333h;
zirconocene methyl chloride

zirconocene methyl chloride

6-dehydro-19-nortestosterone acetate
2590-41-2

6-dehydro-19-nortestosterone acetate

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
Stage #1: zirconocene methyl chloride With silver trifluoromethanesulfonate; copper(l) chloride; (3,5-dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']dinaphthalen-4-yl)-bis-(1-phenyl-ethyl)-amine In diethyl ether; dichloromethane at 20℃; for 0.166667h; Darkness; Inert atmosphere;
Stage #2: 6-dehydro-19-nortestosterone acetate With chloro-trimethyl-silane In diethyl ether; dichloromethane at 20℃; for 15h; Inert atmosphere; Darkness; stereoselective reaction;
61%
17β-hydroxy-7α-methyl-estr-5-en-3-one acetate
54793-00-9

17β-hydroxy-7α-methyl-estr-5-en-3-one acetate

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene
7α-methyl-19-nortestosterone
3764-87-2

7α-methyl-19-nortestosterone

acetyl chloride
75-36-5

acetyl chloride

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
With pyridine at 20℃;
19-nortestosterone
434-22-0

19-nortestosterone

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: AcCl
2: (i) NBS, Py, aq. NaOAc, AcOH, acetone, (ii) LiBr, Li2CO3, DMF
3: (i) CuI, Et2O, (ii) /BRN= 3121674/, THF
4: TsOH / benzene
View Scheme
3,17β-diacetoxy-estra-3,5-diene
4999-76-2

3,17β-diacetoxy-estra-3,5-diene

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) NBS, Py, aq. NaOAc, AcOH, acetone, (ii) LiBr, Li2CO3, DMF
2: (i) CuI, Et2O, (ii) /BRN= 3121674/, THF
3: TsOH / benzene
View Scheme
6-dehydro-19-nortestosterone acetate
2590-41-2

6-dehydro-19-nortestosterone acetate

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: (i) CuI, Et2O, (ii) /BRN= 3121674/, THF
2: TsOH / benzene
View Scheme
C24H38O3Si

C24H38O3Si

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Conditions
ConditionsYield
With water In tetrahydrofuran at 20℃; for 24h; Inert atmosphere;
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

17β-acetoxy-4-chloro-7α-methylestr-4-en-3-one
2061-47-4

17β-acetoxy-4-chloro-7α-methylestr-4-en-3-one

Conditions
ConditionsYield
With pyridine; sulfuryl dichloride for 1h; Ambient temperature;80%
methanol
67-56-1

methanol

7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

3-methoxy-7α-methylestra-1,3,5(10)-trien-17β-ol
15506-01-1

3-methoxy-7α-methylestra-1,3,5(10)-trien-17β-ol

Conditions
ConditionsYield
Stage #1: methanol; 7alpha-Methyl-19-nortestosterone acetate With copper(ll) bromide In toluene at 17 - 23℃; Industry scale;
Stage #2: With potassium hydroxide In water Heating / reflux; Industry scale;
80%
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

3-hydroxy-7α-methylestra-1,3,5(10)-trien-17β-yl acetate
14507-68-7

3-hydroxy-7α-methylestra-1,3,5(10)-trien-17β-yl acetate

Conditions
ConditionsYield
With lithium bromide; copper(ll) bromide In acetonitrile for 2.5h; Ambient temperature;77%
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

methyllithium
917-54-4

methyllithium

Acetic acid (7S,8R,9S,10R,13S,14S,17S)-3,7,13-trimethyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

Acetic acid (7S,8R,9S,10R,13S,14S,17S)-3,7,13-trimethyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

Conditions
ConditionsYield
(i) THF, Et2O, (ii) aq. HCl, acetone; Multistep reaction;
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

17β-Acetoxy-3-brom-androsta-3,5-dien
800-09-9

17β-Acetoxy-3-brom-androsta-3,5-dien

Conditions
ConditionsYield
With phosphorus(V) oxybromide In acetic acid
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

Acetic acid (7S,8R,9S,10R,13S,14S,17S)-7,13-dimethyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

Acetic acid (7S,8R,9S,10R,13S,14S,17S)-7,13-dimethyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

Conditions
ConditionsYield
(i) LiAlH4, THF, (ii) aq. HCl, acetone; Multistep reaction;
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

4-chloro-7α-methyl-17β-estradiol
137576-19-3

4-chloro-7α-methyl-17β-estradiol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 85 percent / SeO2 / 2-methyl-propan-2-ol / 15 h / Heating
3: 85 percent / 5percent KOH / methanol / 1 h / Heating
View Scheme
Multi-step reaction with 4 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 80 percent / pyridine / acetic anhydride / 3 h / Heating
3: 60 percent / N-bromosuccinimide, water / dimethylformamide / 0.5 h / 0 °C
4: 1) HCl, 2) 5percent KOH / 1) acetone, reflux 2.5 h, 2) MeOH, reflux, 1 h
View Scheme
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

4-chloro-7α-methylestrone
137576-22-8

4-chloro-7α-methylestrone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 85 percent / SeO2 / 2-methyl-propan-2-ol / 15 h / Heating
3: 85 percent / 5percent KOH / methanol / 1 h / Heating
4: 80 percent / Jones' reagent / acetone / 0.33 h / Ambient temperature
View Scheme
Multi-step reaction with 5 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 80 percent / pyridine / acetic anhydride / 3 h / Heating
3: 60 percent / N-bromosuccinimide, water / dimethylformamide / 0.5 h / 0 °C
4: 1) HCl, 2) 5percent KOH / 1) acetone, reflux 2.5 h, 2) MeOH, reflux, 1 h
5: 80 percent / Jones' reagent / acetone / 0.33 h / Ambient temperature
View Scheme
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

4-chloro-17α-ethynyl-7α-methyl-17β-estradiol
137576-23-9

4-chloro-17α-ethynyl-7α-methyl-17β-estradiol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 85 percent / SeO2 / 2-methyl-propan-2-ol / 15 h / Heating
3: 85 percent / 5percent KOH / methanol / 1 h / Heating
4: 80 percent / Jones' reagent / acetone / 0.33 h / Ambient temperature
5: 75 percent / dimethylsulfoxide / 72 h / Ambient temperature
View Scheme
Multi-step reaction with 6 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 80 percent / pyridine / acetic anhydride / 3 h / Heating
3: 60 percent / N-bromosuccinimide, water / dimethylformamide / 0.5 h / 0 °C
4: 1) HCl, 2) 5percent KOH / 1) acetone, reflux 2.5 h, 2) MeOH, reflux, 1 h
5: 80 percent / Jones' reagent / acetone / 0.33 h / Ambient temperature
6: 75 percent / dimethylsulfoxide / 72 h / Ambient temperature
View Scheme
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

17β-acetoxy-4-chloro-7α-methyl-17β-estradiol
137576-18-2

17β-acetoxy-4-chloro-7α-methyl-17β-estradiol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 85 percent / SeO2 / 2-methyl-propan-2-ol / 15 h / Heating
View Scheme
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

17β-acetoxy-6β-bromo-4-chloro-7α-methylestr-4-en-3-one
137576-21-7

17β-acetoxy-6β-bromo-4-chloro-7α-methylestr-4-en-3-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 80 percent / pyridine / acetic anhydride / 3 h / Heating
3: 60 percent / N-bromosuccinimide, water / dimethylformamide / 0.5 h / 0 °C
View Scheme
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

4-chloro-7α-methylestra-3,5(6)-diene-3,17β-diyl diacetate
137576-20-6

4-chloro-7α-methylestra-3,5(6)-diene-3,17β-diyl diacetate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 80 percent / pyridine, SO2Cl2 / 1 h / Ambient temperature
2: 80 percent / pyridine / acetic anhydride / 3 h / Heating
View Scheme
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

3-bromo-androsta-3,5-dien-17β-ol
60397-54-8

3-bromo-androsta-3,5-dien-17β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: POBr3 / acetic acid
2: aq. NaOH / methanol
View Scheme
7alpha-Methyl-19-nortestosterone acetate
6157-87-5

7alpha-Methyl-19-nortestosterone acetate

7α-methyl-19-nortestosterone
3764-87-2

7α-methyl-19-nortestosterone

Conditions
ConditionsYield
Stage #1: 7alpha-Methyl-19-nortestosterone acetate With methanol; potassium hydroxide for 3 - 4h;
Stage #2: With citric acid pH=6;

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