CAS No.848-04-4,Ethylmetrienone Suppliers

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c

Ethylmetrienone CAS：848-04-4

Cas:848-04-4

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Gona-1,3,5(10)-trien-17-one,13-ethyl-3-methoxy- (7CI,8CI,9CI)

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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

Gona-1,3,5(10)-trien-17-one,13-ethyl-3-methoxy- (7CI,8CI,9CI)

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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

Ethylmetrienone

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Hunan chemfish Pharmaceutical co.,Ltd

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Ethylmetrienone

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Antimex Chemical Limied

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

Gona-1,3,5(10)-trien-17-one,13-ethyl-3-methoxy- (7CI,8CI,9CI)

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Hubei Jiutian Bio-medical Technology Co., Ltd

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

Gona-1,3,5(10)-trien-17-one,13-ethyl-3-methoxy- (7CI,8CI,9CI)

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BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary and sec

Ethylmetrienone

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Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

Ethylmetrienone 848-04-4

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Shenzhen Foris Technology Co. LTD

Ethylmetrienone 848-04-4

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Ethylmetrienone

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Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Ethylmetrienone

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Pure Chemistry Scientific Inc.

Ethylmetrienone Application:816383

Ethylmetrienone

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Min.Order:1 Gram

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Topbatt Chemical Co., Ltd.

Topbatt Chemical Co., Ltd., Established in 2019, located in Shenzhen, Guangdong Province, is a Manufacturer and Trading company which specialized in fine chemicals like Pharmaceutical Reference Standards and Stable Isotopes. Our Stable Isotopes produ

Levonorgestrel Impurity 4 (Ethylmetrienone)

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Shenzhen Sumshine Biotech Co., Ltd.

1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and

Levonorgestrel Impurity 4 (Ethylmetrienone)

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Synthetic route

: 3625-82-9
(+)-17β-hydroxy-13β-ethyl-3-methoxygona-1,3,5(10)-triene

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane for 0.5h; Ambient temperature;	97%
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane for 0.5h;	95%
With chromium(VI) oxide; sulfuric acid In acetone

jones reagent: jones reagent

: 3625-82-9
(+)-17β-hydroxy-13β-ethyl-3-methoxygona-1,3,5(10)-triene

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
In water; isopropyl alcohol; acetone

: 797-63-7
levonorgestrel

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 98 percent / Ag2CO3, Celite / toluene / Heating 2: (NH4)2Ce(NO3)6, I2 / 2.5 h / Heating View Scheme
Multi-step reaction with 2 steps 1: 98 percent / Ag2CO3, Celite / toluene / Heating 2: 1) (NH4)2Ce(NO3)6, I2, 2) H2 / 2) 5percent Pd/CaCO3 / 1) reflux, 2.5 h, 2) ethyl acetate, 40 psi, overnight View Scheme
Multi-step reaction with 4 steps 1: 98 percent / Ag2CO3, Celite / toluene / Heating 3: 85 percent / 1 N aq. KOH / tetrahydrofuran; methanol / 1 h / Ambient temperature 4: 97 percent / N-methylmorpholine N-oxide, tetrapropylammonium perruthenate, molecular sieves 4 Angstroem / CH2Cl2 / 0.5 h / Ambient temperature View Scheme

: 6544-68-9
13β-ethyl-3-hydroxygona-1,3,5(10)-trien-17-one

: 77-78-1
dimethyl sulfate

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
In acetone Reflux;	29 g

: 823-36-9
2-ethyl-1,3-cyclopentanedione

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 8 steps 1: triethylenediamine / xylene 2: aq. HCl / methanol 3: NaBH4 / methanol 4: H2 / Raney-Ni / dioxane 5: Py 6: KOH / methanol 7: Li, liq. NH3 / diethyl ether; dioxane 8: CrO3, aq. H2SO4 / acetone View Scheme

: 848-07-7
(+/-)-13-ethyl-3-methoxygona-1,3,5(10),8,14-pentaen-17-one

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: NaBH4 / methanol 2: H2 / Raney-Ni / dioxane 3: Py 4: KOH / methanol 5: Li, liq. NH3 / diethyl ether; dioxane 6: CrO3, aq. H2SO4 / acetone View Scheme

: 850-92-0
2-[2-(3,4-dihydro-6-methoxy-1(2H)-naphthalenylidene)ethyl]-2-ethyl-1,3-cyclopentanedione

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 7 steps 1: aq. HCl / methanol 2: NaBH4 / methanol 3: H2 / Raney-Ni / dioxane 4: Py 5: KOH / methanol 6: Li, liq. NH3 / diethyl ether; dioxane 7: CrO3, aq. H2SO4 / acetone View Scheme

: 2911-80-0, 14507-45-0, 15419-27-9, 24508-13-2
dl-3-Methoxy-13β-ethyl-gona-1,3,5(10),8,14-pentaen-17β-ol

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: H2 / Raney-Ni / dioxane 2: Py 3: KOH / methanol 4: Li, liq. NH3 / diethyl ether; dioxane 5: CrO3, aq. H2SO4 / acetone View Scheme

: 21800-83-9
13β-ethyl-gon-4-en-3,17-dione

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 2: 85 percent / 1 N aq. KOH / tetrahydrofuran; methanol / 1 h / Ambient temperature 3: 97 percent / N-methylmorpholine N-oxide, tetrapropylammonium perruthenate, molecular sieves 4 Angstroem / CH2Cl2 / 0.5 h / Ambient temperature View Scheme
Multi-step reaction with 2 steps 1: lithium bromide; copper(I) bromide / acetonitrile / 17 h / 5 - 25 °C / Inert atmosphere 2: acetone / Reflux View Scheme

: 7443-72-3
18-methyl-3-methoxy-1,3,5(10),8-estratetraen-17β-ol

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Li, liq. NH3, PhNH2 / tetrahydrofuran 2: CrO3, aq. H2SO4 / acetone View Scheme
Multi-step reaction with 2 steps 1: Li, liq. NH3 / diethyl ether; dioxane 2: CrO3, aq. H2SO4 / acetone View Scheme

: 67-56-1
methanol

: 21800-83-9
13β-ethyl-gon-4-en-3,17-dione

A: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

B: D-(+)-13β-ethyl-3-methoxygona-1,3,5(10)-triene-6,17-dione

Conditions

Conditions	Yield
With copper(ll) bromide for 1h; Heating;	A 12% B 17.56%
With ammonium cerium(IV) nitrate; hydrogen; iodine; Lindlar's catalyst 1) reflux, 2.5 h, 2) ethyl acetate, 40 psi, overnight; Yield given. Multistep reaction. Yields of byproduct given;

...Expand

: 162210-67-5
D-(+)-13β-ethyl-3-methoxygona-1,3,5(10)-trien-17β-yl trifluoroacetate

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 85 percent / 1 N aq. KOH / tetrahydrofuran; methanol / 1 h / Ambient temperature 2: 97 percent / N-methylmorpholine N-oxide, tetrapropylammonium perruthenate, molecular sieves 4 Angstroem / CH2Cl2 / 0.5 h / Ambient temperature View Scheme

: 10051-99-7
l-3-Methoxy-13β-ethyl-gona-1,3,5(10),8-tetraen-17β-ol-hydrogensuccinat

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: KOH / methanol 2: Li, liq. NH3 / diethyl ether; dioxane 3: CrO3, aq. H2SO4 / acetone View Scheme

: (+/-)-13-ethyl-3-methoxygona-1,3,5(10),8-tetraen-17β-ol

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: Py 2: KOH / methanol 3: Li, liq. NH3 / diethyl ether; dioxane 4: CrO3, aq. H2SO4 / acetone View Scheme

: 67-56-1
methanol

: 21800-83-9
13β-ethyl-gon-4-en-3,17-dione

A: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

B: 19882-75-8
13-Ethyl-3-methoxygona-1,3,5(10),9(11)-tetraen-17-one

C: D-(+)-13β-ethyl-3-methoxygona-1,3,5(10)-triene-6,17-dione

Conditions

Conditions	Yield
With ammonium cerium(IV) nitrate; iodine for 2.5h; Heating; Yields of byproduct given;	A n/a B n/a C 0.38 g

...Expand

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 1576-35-8
toluene-4-sulfonic acid hydrazide

: 59126-70-4
3-Methoxy-18-methyl-17-tosylhydrazono-1,3,5(10)-oestratrien

Conditions

Conditions	Yield
With sulfuric acid In methanol for 14h; Heating;	88%

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 74-86-2
acetylene

: 14009-70-2
13β-ethyl-3-methoxy-17α-ethynyl-gona-1,3,5(10)-trien-17β-ol

Conditions

Conditions	Yield
Stage #1: acetylene With potassium tert-butylate In tetrahydrofuran at 0 - 5℃; for 2h; Stage #2: dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one In tetrahydrofuran at 0 - 5℃;	78.3%
With lithium; ethylenediamine In tetrahydrofuran

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 87080-88-4
(17S)-13β-Ethyl-3-methoxy-1,3,5(10)-gonatrien-17-spirooxiran

Conditions

Conditions	Yield
	73%

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 13-ethyl-3-methoxygonan-1,3,15-trien-17-ol

Conditions

Conditions	Yield
With 1-[4-(N,N-dimethylamino)phenyl]ethanol; zirconium(IV) tert-butoxide In toluene at 23℃; for 120h;	19%

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 1779-49-3
Methyltriphenylphosphonium bromide

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

Conditions

Conditions	Yield
(i) PhLi, (ii) /BRN= 2059135/; Multistep reaction;

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 821-10-3
1,4-Dichloro-2-butyne

: 74-88-4
methyl iodide

: (8R,9S,13S,14S,17S)-13-Ethyl-3-methoxy-17-penta-1,3-diynyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol

Conditions

Conditions	Yield
(i) NaNH2, liq. NH3, (ii) /BRN= 969135/, (iii) /BRN= 2059135/, THF; Multistep reaction;

...Expand

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 59126-71-5
3-Methoxy-18-methyl-1,3,5(10),16-oestratetraen

Conditions

Conditions	Yield
With methyllithium In diethyl ether for 4h; Ambient temperature; Yield given;

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 591-51-5
phenyllithium

: 126971-24-2
13α-Ethyl-3-methoxy-17-phenyl-1,3,5(10),14(15),16(17)-gonapentaene

Conditions

Conditions	Yield
With trifluoroacetic acid 1.) THF, benzene, -78 deg C, 15 min; r.t., 30 min, 2.) CH2CL2, r.t., 1 h; Yield given. Multistep reaction;

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 6544-68-9
13β-ethyl-3-hydroxygona-1,3,5(10)-trien-17-one

Conditions

Conditions	Yield
With pyridine; hydrogenchloride at 180℃;

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 59126-72-6
16α,17α-Epoxy-3-methoxy-18-methyl-1,3,5(10)-oestratrien

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 59126-63-5
3-Methoxy-18-methyl-1,3,5(10),15-oestratetraen-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 87 percent / ethane-1,2-diol / 24 h / 120 °C 4: m-chlorperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 2 h / Ambient temperature 5: 30 percent / o-xylene / 33 h / 140 °C View Scheme
Multi-step reaction with 3 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 65 percent / diphenyl diselenide, NaBH4 / ethanol / 18 h / Heating View Scheme
Multi-step reaction with 5 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 59 percent / lithium bromide / acetic acid / 2 h / Ambient temperature 4: 88 percent / phosphor trichloride oxide / tetrahydrofuran / 18 h / Ambient temperature 5: 1) 1,8-diazobicyclo<5.4.0>undec-7-en; 2) oxalic acid / 1) 30 h at 140 deg C; 2) methanol, water, 24 h at room temp. View Scheme
Multi-step reaction with 5 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 79 percent / NaBH4 / ethanol / 80 °C / 1) 20 min.; 2) 17 h 4: 12 percent / NaIO4 / methanol; CH2Cl2 / 48 h / Ambient temperature 5: 50 percent / NaCO3 / o-xylene / 20 h / 140 °C View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 59126-79-3
16β-Brom-3-methoxy-18-methyl-1,3,5(10)-oestratrien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 59 percent / lithium bromide / acetic acid / 2 h / Ambient temperature View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-55-8
3-Methoxy-18-methyl-1,3,5(10),14,16-oestrapentaen

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 87 percent / ethane-1,2-diol / 24 h / 120 °C 4: m-chlorperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 2 h / Ambient temperature 5: 30 percent / o-xylene / 33 h / 140 °C 6: 55 percent / 70 percent HClO4 / acetone / 0.33 h / Ambient temperature View Scheme
Multi-step reaction with 4 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 65 percent / diphenyl diselenide, NaBH4 / ethanol / 18 h / Heating 4: 55 percent / 70 percent HClO4 / acetone / 0.33 h / Ambient temperature View Scheme
Multi-step reaction with 6 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 59 percent / lithium bromide / acetic acid / 2 h / Ambient temperature 4: 88 percent / phosphor trichloride oxide / tetrahydrofuran / 18 h / Ambient temperature 5: 1) 1,8-diazobicyclo<5.4.0>undec-7-en; 2) oxalic acid / 1) 30 h at 140 deg C; 2) methanol, water, 24 h at room temp. 6: 55 percent / 70 percent HClO4 / acetone / 0.33 h / Ambient temperature View Scheme
Multi-step reaction with 6 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 79 percent / NaBH4 / ethanol / 80 °C / 1) 20 min.; 2) 17 h 4: 12 percent / NaIO4 / methanol; CH2Cl2 / 48 h / Ambient temperature 5: 50 percent / NaCO3 / o-xylene / 20 h / 140 °C 6: 55 percent / 70 percent HClO4 / acetone / 0.33 h / Ambient temperature View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-56-9
3-Methoxy-18-methyl-16β-phenylthio-1,3,5(10)-oestratrien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 79 percent / NaBH4 / ethanol / 80 °C / 1) 20 min.; 2) 17 h View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-57-0
3-Methoxy-18-methyl-16β-phenylselenyl-1,3,5(10)-oestratrien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 95 percent / NaBH4 / ethanol / 1) room temp.; 2) reflux at 20 h View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-53-6
3-Methoxy-18-methyl-16β-piperidino-1,3,5(10)-oestratien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 87 percent / ethane-1,2-diol / 24 h / 120 °C View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-54-7
N-(17α-Hydroxy-3-methoxy-1,3,5(10)-oestratrien-16β-yl)piperidin-N-oxid

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 87 percent / ethane-1,2-diol / 24 h / 120 °C 4: m-chlorperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 2 h / Ambient temperature View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 59126-80-6
16β-Brom-3-methoxy-18-methyl-17α-(tetrahydro-2-pyranyloxy)-1,3,5(10)-oestratrien

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 59 percent / lithium bromide / acetic acid / 2 h / Ambient temperature 4: 88 percent / phosphor trichloride oxide / tetrahydrofuran / 18 h / Ambient temperature View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-62-7
3-Methoxy-18-methyl-16β-phenylsulfonyl-1,3,5(10)-oestratrien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 79 percent / NaBH4 / ethanol / 80 °C / 1) 20 min.; 2) 17 h 4: 4 percent / NaIO4 / methanol; CH2Cl2 / 48 h / Ambient temperature View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-63-8
3-Methoxy-18-methyl-16β-phenylselenonyl-1,3,5(10)-oestratrien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 95 percent / NaBH4 / ethanol / 1) room temp.; 2) reflux at 20 h 4: 6 percent / m-chlorperbenzoic acid / CH2Cl2 / 0.25 h / -40 °C View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-58-1, 80904-60-5
(S)-3-Methoxy-18-methyl-16β-phenylsulfinyl-1,3,5(10)-oestratrien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 79 percent / NaBH4 / ethanol / 80 °C / 1) 20 min.; 2) 17 h 4: 34 percent / NaIO4 / methanol; CH2Cl2 / 48 h / Ambient temperature View Scheme

: 848-04-4
dl-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one

: 80904-58-1, 80904-60-5
(R)-3-Methoxy-18-methyl-16β-phenylsulfinyl-1,3,5(10)-oestratrien-17α-ol

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: methyl lithium / diethyl ether / 4 h / Ambient temperature 2: 79 percent / 4-nitroperbenzoic acid / 1,2-dichloro-ethane; 2-methyl-propan-2-ol / 18 h / Ambient temperature 3: 79 percent / NaBH4 / ethanol / 80 °C / 1) 20 min.; 2) 17 h 4: 12 percent / NaIO4 / methanol; CH2Cl2 / 48 h / Ambient temperature View Scheme

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