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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 o

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

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Cholesta-5,8-dien-3-ol,(3b)-

Cas:70741-38-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Antimex Chemical Limied

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

Cholesta-5,8-dien-3-ol,(3b)-

Cas:70741-38-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

(3S,10S,13R,14R,17R)-10,13-DIMETHYL-17-[(2R)-6-METHYLHEPTAN-2-YL]-2,3,4,7,11,12,14,15,16,17-DECAHYDRO-1H-CYCLOPENTA[A]PHENANTHREN-3-OLCASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application

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

Synova( Tianjin ) Chemical Technology Co,.Ltd

The company have effective management team, professional technical R & D personnel, the service spirit of customer oriented. We have long-term cooperation with famous domestic manufacturer, and excellent customer resources overseas. We are skilled in

Xiamen Taimai Biotechnology CO.,LTD

Cholesta-5,8-dien-3-ol,(3b)-

Cas:70741-38-7

Min.Order:0

Negotiable

Type:Other

inquiry

drugcenterinternationalltd

Cholesta-5,8-dien-3-ol,(3b)-

Cas:70741-38-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

3β-benzoyloxy-cholesta-5,8-diene
53435-19-1

3β-benzoyloxy-cholesta-5,8-diene

cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

Conditions
ConditionsYield
With potassium hydroxide; benzene
7α-cholesta-5,8-dien-3β-yl acetate
3914-89-4

7α-cholesta-5,8-dien-3β-yl acetate

cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

Conditions
ConditionsYield
With lithium In various solvent(s) at -20℃; 30 min longer than required for the initial apperance of a blue color; Yield given;
7-Dehydrocholesteryl acetate
1059-86-5

7-Dehydrocholesteryl acetate

cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: benzene / 4 h / Heating
2: Li / various solvent(s) / -20 °C / 30 min longer than required for the initial apperance of a blue color
View Scheme
7α-bromocholest-5-en-3β-ol benzoate
26048-46-4

7α-bromocholest-5-en-3β-ol benzoate

cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ammonium thiocyanate; acetone
2: benzene; methanol. KOH
View Scheme
Multi-step reaction with 2 steps
1: pyridine
2: benzene; methanol. KOH
View Scheme
7β-bromocholest-5-en-3β-ol benzoate
65942-28-1

7β-bromocholest-5-en-3β-ol benzoate

cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine
2: benzene; methanol. KOH
View Scheme
7-dehydrocholesterol
434-16-2

7-dehydrocholesterol

cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

Conditions
ConditionsYield
Stage #1: 7-dehydrocholesterol With diethylazodicarboxylate In toluene at 116℃; for 0.75h; Molecular sieve; Microwave irradiation;
Stage #2: With propylamine; lithium; ethylenediamine at 0℃; for 0.25h;
79 mg
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

cholesta-5,8-dien-3-one
259659-60-4

cholesta-5,8-dien-3-one

Conditions
ConditionsYield
With oxalyl dichloride; dimethyl sulfoxide; triethylamine In dichloromethane at -50℃; for 1h; Oxidation;83%
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

1,6-cyclo-1,10-seco-cholesta-5,7,9-trien-3ξ-ol
1249-85-0, 1249-86-1

1,6-cyclo-1,10-seco-cholesta-5,7,9-trien-3ξ-ol

Conditions
ConditionsYield
With mercury(II) diacetate; toluene-4-sulfonic acid Irradiation;
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

cholesta-4,8-dien-3-one
209850-55-5

cholesta-4,8-dien-3-one

Conditions
ConditionsYield
With aluminum isopropoxide; acetone; benzene
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

cholesta-5,8-dien-3β-ol acetate
17137-76-7

cholesta-5,8-dien-3β-ol acetate

Conditions
ConditionsYield
With pyridine; acetic anhydride
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

5α-cholest-8-en-3β-ol
566-97-2

5α-cholest-8-en-3β-ol

Conditions
ConditionsYield
With hydrogen; nickel In ethanol Yield given;
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

acetic anhydride
108-24-7

acetic anhydride

cholesta-5,8-dien-3β-ol acetate
17137-76-7

cholesta-5,8-dien-3β-ol acetate

Conditions
ConditionsYield
In pyridine
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

cholesta-5,8-dien-3α-ol

cholesta-5,8-dien-3α-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 83 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 1 h / -50 °C
2: [3H]NaBH4; NaBH4 / ethanol / 10 h / 20 °C
View Scheme
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

[3β-3H]cholesta-8-dien-3α-ol

[3β-3H]cholesta-8-dien-3α-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 83 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 1 h / -50 °C
2: [3H]NaBH4 / ethanol / 1 h / 20 °C
View Scheme
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

[3α-3H]cholesta-8-dien-3β-ol

[3α-3H]cholesta-8-dien-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 83 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 1 h / -50 °C
2: [3H]NaBH4; NaBH4 / ethanol / 10 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 83 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 1 h / -50 °C
2: [3H]NaBH4 / ethanol / 1 h / 20 °C
View Scheme
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

C30H51(3)HOSi

C30H51(3)HOSi

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 83 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 1 h / -50 °C
2: [3H]NaBH4 / ethanol / 1 h / 20 °C
3: pyridine / 2 h / 50 °C
View Scheme
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

[3,3']bicholesta-3,5,8-trienyl
903507-08-4

[3,3']bicholesta-3,5,8-trienyl

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: acetone; aluminium isopropylate; benzene
2: sodium-amalgam
3: acetic acid; acetic acid anhydride; CHCl3
View Scheme
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

3ξH,3'ξH-[3,3']bicholesta-4,8-dienyl-3,3'-diol
903507-11-9

3ξH,3'ξH-[3,3']bicholesta-4,8-dienyl-3,3'-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: acetone; aluminium isopropylate; benzene
2: sodium-amalgam
View Scheme
diethylaluminium cyanide
1188327-50-5

diethylaluminium cyanide

8α,9α-epoxycholest-5-en-3β-ol
209850-60-2

8α,9α-epoxycholest-5-en-3β-ol

cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

Cholesta-5,8,14-triene-3β-ol
209850-45-3

Cholesta-5,8,14-triene-3β-ol

Conditions
ConditionsYield
With m-chloroperoxybenzoic acid In dichloromethane; toluene
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

A

3β,5α,9α-trihydroxycholesta-7-en-6-one
1210058-93-7

3β,5α,9α-trihydroxycholesta-7-en-6-one

B

3β-hydroxycholesta-5,8-dien-7-one
96974-03-7

3β-hydroxycholesta-5,8-dien-7-one

Conditions
ConditionsYield
With Methyl linoleate; 2,2’-azobis(4-methoxy-2,4-dimethyl)valeronitrile; Tocopherol In benzene at 37℃; for 2h;
cholesta-5,8(9)-dien-3β-ol
70741-38-7

cholesta-5,8(9)-dien-3β-ol

A

5α,6α-epoxycholesta-7-en-3β,9α-diol
1210058-89-1

5α,6α-epoxycholesta-7-en-3β,9α-diol

B

5α,9α-epidioxy-8α,14α-epoxycholesta-6-en-3β-ol
1210058-91-5

5α,9α-epidioxy-8α,14α-epoxycholesta-6-en-3β-ol

C

5α,9α-epidioxycholesta-7-en-3β,6β-diol
1210059-16-7

5α,9α-epidioxycholesta-7-en-3β,6β-diol

D

5α,9α-epidioxycholesta-7-en-3β,6α-diol
1210058-90-4

5α,9α-epidioxycholesta-7-en-3β,6α-diol

E

3β,5-dihydroxy-5α-cholesta-7,9(11)-diene-6-one
133565-76-1

3β,5-dihydroxy-5α-cholesta-7,9(11)-diene-6-one

Conditions
ConditionsYield
With Methyl linoleate; 2,2’-azobis(4-methoxy-2,4-dimethyl)valeronitrile In benzene at 37℃; for 1h;

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