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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Gestodene

Cas:60282-87-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome 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

High quality Gestodene supplier in China

Cas:60282-87-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Kono Chem Co.,Ltd

Gestodene CAS 60282-87-3 Brand: SXYT MW:310.43 MSDS: Avaiable MF:C21H26O2 Sample: Avaiable Category: AP

CAS: 60282-87-3 Gestodene

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

Gestodene 60282-87-3

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carb

Gestodene

Cas:60282-87-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

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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 Gestodene

Cas:60282-87-3

Min.Order:1

Negotiable

Type:Other

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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% Gestodene 60282-87-3 GMP Manufacturer

Cas:60282-87-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

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

Gestodene

Cas:60282-87-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

Gestodene

Cas:60282-87-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

Gestodene 60282-87-3

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 60282-87-3 with best quality

Cas:60282-87-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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

Gestodene

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

low price Gestodene china60282-87-3 exporter

Cas:60282-87-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Product Name Gestodene Synonyms (8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14-decahydrocyclopenta[a]phenanthren-3-one;17-alpha-Ethynyl-13-ethyl-17-beta-hydroxy-4,15-

Gestodene

Cas:60282-87-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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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 60282-87-3 Gestodene with best price

Cas:60282-87-3

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

Gestodene 60282-87-3

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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 present

Good Quality Pharmaceutical Gestodene Product CAS: 60282-87-3

Cas:60282-87-3

Min.Order:1 Kilogram

FOB Price: $25.0 / 30.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Gestodene CAS:60282-87-3 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 intermediates,

Gestodene CAS:60282-87-3

Cas:60282-87-3

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 wi

Gestodene with High Quality factory bulk supply

Cas:60282-87-3

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:detailed in specifcations Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:S

Gestodene

Cas:60282-87-3

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Gestodene

Cas:60282-87-3

Min.Order:1 Kilogram

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-

Gestodene 60282-87-3

Cas:60282-87-3

Min.Order:3 Gram

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

Gestodene

Cas:60282-87-3

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

Gestodene

Cas:60282-87-3

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:25kg/drum, or as per your request. Application:For medicine , pesticide intermedia

Gestodene

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: Gestodene CAS No.:60282-87-3 Molecule Formula:C21H26O2 Molecule Weight:310.43 Purity: 99.0% Package: 25kg/drum Description:White or almost white crystalline powder Manufacture Standards:USP/EP TESTING

Best Quality Gestodene

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

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,

Gestodene Manufacturer/High quality/Best price/In stock

Cas:60282-87-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

GestodeneCAS NO.: 60282-87-3

Cas:60282-87-3

Min.Order:1 Gram

FOB Price: $3.0

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

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,

Gestodene

Cas:60282-87-3

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-17α-ethnyl-17β-hydroxy-18-methyl-5,15-estradiene

3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-17α-ethnyl-17β-hydroxy-18-methyl-5,15-estradiene

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
With hydrogenchloride In acetone at 20℃; for 0.75h;90%
17α-ethynyl-18-methyl-3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-5,15-estradien-17β-ol
64133-14-8

17α-ethynyl-18-methyl-3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-5,15-estradien-17β-ol

3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-17α-ethnyl-17β-hydroxy-18-methyl-10,15-estradiene

3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-17α-ethnyl-17β-hydroxy-18-methyl-10,15-estradiene

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Stage #1: 17α-ethynyl-18-methyl-3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-5,15-estradien-17β-ol; 3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-17α-ethnyl-17β-hydroxy-18-methyl-10,15-estradiene With water; hydrogenchloride In acetone at 20℃; for 0.75h;
Stage #2: With sodium hydrogencarbonate In water; acetone pH=7; Product distribution / selectivity;
90%
3-ethoxy-18-methyl-estra-3,5,15-trien-17-one
1323980-05-7

3-ethoxy-18-methyl-estra-3,5,15-trien-17-one

acetylenemagnesium bromide
4301-14-8

acetylenemagnesium bromide

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Stage #1: 3-ethoxy-18-methyl-estra-3,5,15-trien-17-one; acetylenemagnesium bromide In tetrahydrofuran; 2-MeTHF at 20 - 25℃; for 2h;
Stage #2: With hydrogenchloride In ethanol; water at 7 - 10℃; for 2h;
80%
17α-Ethinyl-3,3-ethylendithio-18-methyl-4,15-estradien-17β-ol
74177-02-9

17α-Ethinyl-3,3-ethylendithio-18-methyl-4,15-estradien-17β-ol

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
With calcium carbonate; methyl iodide In methanol; water for 20h; Heating;68%
ethylene glycol
107-21-1

ethylene glycol

15α-Acetoxy-18-methyl-4-estren-3,17-dion
104933-97-3

15α-Acetoxy-18-methyl-4-estren-3,17-dion

acetylene
74-86-2

acetylene

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Yield given. Multistep reaction;
18-Methyl-4,15-estradien-3,17-dion
77410-09-4

18-Methyl-4,15-estradien-3,17-dion

acetylene
74-86-2

acetylene

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
With n-butyllithium 1.) THF/hexane, -70 deg C, 10 min, 2.) -70 deg C, 1 h; Yield given. Multistep reaction;
15α-Acetoxy-3-methoxy-18-methyl-3,5-estradien-17-on
104934-00-1

15α-Acetoxy-3-methoxy-18-methyl-3,5-estradien-17-on

acetylene
74-86-2

acetylene

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Yield given. Multistep reaction;
13β-ethyl-gon-4-en-3,17-dione
21800-83-9

13β-ethyl-gon-4-en-3,17-dione

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: 90 percent / triethyl orthoformate; p-TsOH / CH2Cl2 / 3 h / 10 °C
2.1: t-BuOK / tetrahydrofuran / 0.17 h / 20 °C
2.2: tetrahydrofuran / 2 h / 20 °C
3.1: Et3N / xylene / 2.5 h / 140 °C
4.1: 94 percent / tetrahydrofuran / 2 h / 0 °C
5.1: 90 percent / aq. HCl / acetone / 0.75 h / 20 °C
View Scheme
Multi-step reaction with 6 steps
1: 90 percent / triethyl orthoformate; p-TsOH / CH2Cl2 / 3 h / 10 °C
2: LDA / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / -78 - 20 °C
3: MCPBA / CH2Cl2 / 0.5 h / -78 °C
4: Et3N / xylene / 2.5 h / 140 °C
5: 94 percent / tetrahydrofuran / 2 h / 0 °C
6: 90 percent / aq. HCl / acetone / 0.75 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: 77.2 percent / mushroom Penicillium raistrickii (ATCC 10490) / H2O; various solvent(s) / 70 h / 30 °C
2: 96 percent / pyridine / 1 h
View Scheme
3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-18-methyl-5,15-estradien-17-one

3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-18-methyl-5,15-estradien-17-one

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 94 percent / tetrahydrofuran / 2 h / 0 °C
2: 90 percent / aq. HCl / acetone / 0.75 h / 20 °C
View Scheme
18-methyl-3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-5-estern-17-one

18-methyl-3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-5-estern-17-one

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: t-BuOK / tetrahydrofuran / 0.17 h / 20 °C
1.2: tetrahydrofuran / 2 h / 20 °C
2.1: Et3N / xylene / 2.5 h / 140 °C
3.1: 94 percent / tetrahydrofuran / 2 h / 0 °C
4.1: 90 percent / aq. HCl / acetone / 0.75 h / 20 °C
View Scheme
Multi-step reaction with 5 steps
1: LDA / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / -78 - 20 °C
2: MCPBA / CH2Cl2 / 0.5 h / -78 °C
3: Et3N / xylene / 2.5 h / 140 °C
4: 94 percent / tetrahydrofuran / 2 h / 0 °C
5: 90 percent / aq. HCl / acetone / 0.75 h / 20 °C
View Scheme
C30H40O3S

C30H40O3S

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: MCPBA / CH2Cl2 / 0.5 h / -78 °C
2: Et3N / xylene / 2.5 h / 140 °C
3: 94 percent / tetrahydrofuran / 2 h / 0 °C
4: 90 percent / aq. HCl / acetone / 0.75 h / 20 °C
View Scheme
3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-18-methyl-16ξ-phenylsulfoxide-5-estren-17-one

3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-18-methyl-16ξ-phenylsulfoxide-5-estren-17-one

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Et3N / xylene / 2.5 h / 140 °C
2: 94 percent / tetrahydrofuran / 2 h / 0 °C
3: 90 percent / aq. HCl / acetone / 0.75 h / 20 °C
View Scheme
15α-Hydroxy-18-methyl-4-estren-3,17-dion
60919-46-2

15α-Hydroxy-18-methyl-4-estren-3,17-dion

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 96 percent / pyridine / 1 h
View Scheme
Multi-step reaction with 3 steps
1: 96 percent / pyridine / 1 h
2: 84 percent / 4-CH3-C6H6-SO3H*C5H5N / 6 h / Heating
View Scheme
Multi-step reaction with 5 steps
1: 98 percent / BF3*Et2O / methanol / Ambient temperature
2: pyridine / 3.5 h / 0 °C
3: NaOAc / pyridine; dimethylformamide / 20 h / Ambient temperature
4: 1.) 15 percent BuLi / 1.) hexane, THF, 0 deg C, 2.) 30 min
5: 68 percent / CH3I, CaCO3 / methanol; H2O / 20 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: pyridine / 3.5 h / 0 °C
2: NaOAc / pyridine; dimethylformamide / 20 h / Ambient temperature
3: 1.) 15 percent BuLi / 1.) THF/hexane, -70 deg C, 10 min, 2.) -70 deg C, 1 h
View Scheme
3,3-Ethylendithio-18-methyl-4,15-estradien-17-on
74177-01-8

3,3-Ethylendithio-18-methyl-4,15-estradien-17-on

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) 15 percent BuLi / 1.) hexane, THF, 0 deg C, 2.) 30 min
2: 68 percent / CH3I, CaCO3 / methanol; H2O / 20 h / Heating
View Scheme
3,3-Ethylendithio-15α-hydroxy-18-methyl-4-estren-17-on
74177-00-7

3,3-Ethylendithio-15α-hydroxy-18-methyl-4-estren-17-on

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: pyridine / 3.5 h / 0 °C
2: NaOAc / pyridine; dimethylformamide / 20 h / Ambient temperature
3: 1.) 15 percent BuLi / 1.) hexane, THF, 0 deg C, 2.) 30 min
4: 68 percent / CH3I, CaCO3 / methanol; H2O / 20 h / Heating
View Scheme
15α-Acetoxy-18-methyl-4-estren-3,17-dion
104933-97-3

15α-Acetoxy-18-methyl-4-estren-3,17-dion

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 84 percent / 4-CH3-C6H6-SO3H*C5H5N / 6 h / Heating
View Scheme
Multi-step reaction with 3 steps
1.1: toluene-4-sulfonic acid / ethanol / 1 h / 20 °C
2.1: toluene-4-sulfonic acid; orthoformic acid triethyl ester / 1 h / 20 °C
2.2: 2 h / 40 °C
3.1: tetrahydrofuran; 2-MeTHF / 2 h / 20 - 25 °C
3.2: 2 h / 7 - 10 °C
View Scheme
Methanesulfonic acid (8R,9S,10R,13S,14S,15S)-13-ethyl-3,17-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-15-yl ester
104934-02-3

Methanesulfonic acid (8R,9S,10R,13S,14S,15S)-13-ethyl-3,17-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-15-yl ester

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaOAc / pyridine; dimethylformamide / 20 h / Ambient temperature
2: 1.) 15 percent BuLi / 1.) THF/hexane, -70 deg C, 10 min, 2.) -70 deg C, 1 h
View Scheme
C22H32O4S3
104934-03-4

C22H32O4S3

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: NaOAc / pyridine; dimethylformamide / 20 h / Ambient temperature
2: 1.) 15 percent BuLi / 1.) hexane, THF, 0 deg C, 2.) 30 min
3: 68 percent / CH3I, CaCO3 / methanol; H2O / 20 h / Heating
View Scheme
15α-Acetoxy-3-methoxy-18-methyl-3,5-estradien-17-on
104934-00-1

15α-Acetoxy-3-methoxy-18-methyl-3,5-estradien-17-on

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Product distribution / selectivity;
ethyl bromide
74-96-4

ethyl bromide

acetylene
74-86-2

acetylene

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
With oxalic acid; magnesium In tetrahydrofuran; methanol; water
15α-acetoxy-3-ethoxy-18-methyl-estra-3,5-dien-17-one
106620-51-3

15α-acetoxy-3-ethoxy-18-methyl-estra-3,5-dien-17-one

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: toluene-4-sulfonic acid; orthoformic acid triethyl ester / 1 h / 20 °C
1.2: 2 h / 40 °C
2.1: tetrahydrofuran; 2-MeTHF / 2 h / 20 - 25 °C
2.2: 2 h / 7 - 10 °C
View Scheme
15α-Acetoxy-18-methyl-4-estren-3,17-dion
104933-97-3

15α-Acetoxy-18-methyl-4-estren-3,17-dion

acetylene
74-86-2

acetylene

gestodene
60282-87-3

gestodene

Conditions
ConditionsYield
Stage #1: 15α-Acetoxy-18-methyl-4-estren-3,17-dion With hydrogenchloride; propylene glycol In 1,4-dioxane; 1,2-dimethoxyethane at -20℃; for 4h;
Stage #2: With toluene-4-sulfonic acid; trimethyl orthoformate In methanol at 20℃; for 3h;
Stage #3: acetylene Further stages;
8.17 g
gestodene
60282-87-3

gestodene

17α-Bromethinyl-17β-hydroxy-18-methyl-4,15-oestradien-3-on
91781-31-6

17α-Bromethinyl-17β-hydroxy-18-methyl-4,15-oestradien-3-on

Conditions
ConditionsYield
With N-Bromosuccinimide; silver nitrate In acetone for 0.25h; Ambient temperature;82%
gestodene
60282-87-3

gestodene

17β-Hydroxy-17α-iodethinyl-18-methyl-4,15-oestradien-3-on
91798-46-8

17β-Hydroxy-17α-iodethinyl-18-methyl-4,15-oestradien-3-on

Conditions
ConditionsYield
With N-iodo-succinimide; silver nitrate In acetone for 0.25h; Ambient temperature;77%
gestodene
60282-87-3

gestodene

13-β-ethyl-18,19-dinorpregna-4,14,16-trien-3,20-dione

13-β-ethyl-18,19-dinorpregna-4,14,16-trien-3,20-dione

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 2h;1.55 g
gestodene
60282-87-3

gestodene

gestodene propionate

gestodene propionate

Conditions
ConditionsYield
With 4-pyrrolidin-1-ylpyridine In pyridine; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; dichloromethane; propionic acid anhydride
pentanoic anhydride
2082-59-9

pentanoic anhydride

gestodene
60282-87-3

gestodene

gestodene valerate

gestodene valerate

Conditions
ConditionsYield
With 4-pyrrolidin-1-ylpyridine In pyridine; water
gestodene
60282-87-3

gestodene

1-hexadecylcarboxylic acid
57-10-3

1-hexadecylcarboxylic acid

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

17α-ethynyl-17β-hexadecanoyloxy-18-methyl-4,15-estradien-3-one

17α-ethynyl-17β-hexadecanoyloxy-18-methyl-4,15-estradien-3-one

Conditions
ConditionsYield
With sodium hydroxide In dichloromethane; acetone; benzene
undecylenic acid
112-37-8

undecylenic acid

gestodene
60282-87-3

gestodene

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

17α-ethynyl-18-methyl-17β-undecanoyloxy-4,15-estradien-3-one

17α-ethynyl-18-methyl-17β-undecanoyloxy-4,15-estradien-3-one

Conditions
ConditionsYield
In benzene
gestodene
60282-87-3

gestodene

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

17α-ethynyl-18-methyl-17β-octanoyloxy-4,15-estradien-3-one

17α-ethynyl-18-methyl-17β-octanoyloxy-4,15-estradien-3-one

Conditions
ConditionsYield
In dichloromethane; acetone; benzene
gestodene
60282-87-3

gestodene

17β-acetoxy-17α-ethynyl-18-methyl-4,15-estradien-3-one

17β-acetoxy-17α-ethynyl-18-methyl-4,15-estradien-3-one

Conditions
ConditionsYield
With acetic anhydride In 2,3,5-trimethyl-pyridine; hydrogenchloride

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