Product Name

  • Name

    7BETA-HYDROXYCHOLESTEROL

  • EINECS
  • CAS No. 566-27-8
  • Article Data41
  • CAS DataBase
  • Density 1.03 g/cm3
  • Solubility
  • Melting Point 165-167?C
  • Formula C27H46O2
  • Boiling Point 515.3 ºC at 760 mmHg
  • Molecular Weight 402.661
  • Flash Point 214.7 ºC
  • Transport Information
  • Appearance
  • Safety 22-26
  • Risk Codes
  • Molecular Structure Molecular Structure of 566-27-8 (7BETA-HYDROXYCHOLESTEROL)
  • Hazard Symbols
  • Synonyms Cholest-5-ene-3b,7b-diol (8CI);7b-Hydroxycholest-5-en-3b-ol;7b-Hydroxycholesterol;D5-Cholestene-3b,7b-diol;
  • PSA 40.46000
  • LogP 6.35950

Synthetic route

3β,7β-cholest-5-ene-3,7-diol-3-benzoate
17974-80-0

3β,7β-cholest-5-ene-3,7-diol-3-benzoate

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With sodium carbonate In methanol; water for 0.5h; Heating;100%
With sodium hydroxide; tetrabutylammomium bromide In tetrahydrofuran for 48h; Heating;90 mg
3β-acetoxy-7β-hydroxycholest-5-ene
17974-77-5

3β-acetoxy-7β-hydroxycholest-5-ene

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With water; sodium hydroxide In ethanol; dichloromethane at 20℃; for 2h;95%
With sodium carbonate In methanol; water at 25℃; Inert atmosphere;
cholest-5-ene-3β,7β-diol diacetate
18099-24-6

cholest-5-ene-3β,7β-diol diacetate

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With sodium hydroxide In methanol at 20℃; Deacetylation;87%
7-ketocholesteryl acetate
809-51-8

7-ketocholesteryl acetate

A

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 65℃; for 2h;A 80%
B n/a
With aluminum isopropoxide; isopropyl alcohol Behandeln der Reaktionsloesung mit wss. KOH bei Raumtemperatur;
With lithium aluminium tetrahydride
7-Oxocholesterol
566-28-9

7-Oxocholesterol

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With sodium tetrahydroborate In tetrahydrofuran; methanol at 20℃; for 2h;79%
With sodium tetrahydroborate; cerium(III) chloride In tetrahydrofuran; methanol for 0.166667h; Ambient temperature;78%
With sodium tetrahydroborate; cerium(III) chloride In tetrahydrofuran; methanol at 20℃; for 1h;75%
With sodium tetrahydroborate; cerium(III) chloride heptahydrate In methanol at 0 - 20℃; for 4h; Inert atmosphere;58%
Multi-step reaction with 3 steps
1: Et3N / CH2Cl2 / 0 °C
2: 1) 1M L-Selectride, 2) 6 M aq. NaOH, 30percent H2O2 / 1) THF, -78 deg C, 5 h, 2) THF, H2O, r.t., 1 h
3: 90 mg / nBu4NBr, 0.5 M aq. NaOH / tetrahydrofuran / 48 h / Heating
View Scheme
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With tert.-butylhydroperoxide; tetra-(n-butyl)ammonium iodide In dichloromethane at 23℃; for 48h; Catalytic behavior; Time; Temperature; chemoselective reaction;A 53%
B 15%
tert.-butylhydroperoxide
75-91-2

tert.-butylhydroperoxide

cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

3β-hydroxycholest-5-ene-7α-hydroperoxide
36871-91-7, 75671-16-8, 75671-17-9, 86900-29-0, 2846-29-9

3β-hydroxycholest-5-ene-7α-hydroperoxide

C

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

D

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

E

7β-hydroperoxy-3β-hydroxycholest-5-ene
36871-91-7

7β-hydroperoxy-3β-hydroxycholest-5-ene

Conditions
ConditionsYield
Rh2(cap)4 In dichloromethane at 25℃; for 15h; Allylic oxidation;A 30%
B 10%
C 12%
D 3%
E 4%
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

3β-hydroxycholest-5-ene-7α-hydroperoxide
36871-91-7, 75671-16-8, 75671-17-9, 86900-29-0, 2846-29-9

3β-hydroxycholest-5-ene-7α-hydroperoxide

C

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

D

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

E

7β-hydroperoxy-3β-hydroxycholest-5-ene
36871-91-7

7β-hydroperoxy-3β-hydroxycholest-5-ene

Conditions
ConditionsYield
With tert.-butylhydroperoxide; [Rh2(cap)4*2CH3CN] In water; 1,2-dichloro-ethane at 25℃; for 15h;A 30%
B 10%
C 12%
D 3%
E 4%
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

D

5α,6α-epoxycholestan-3β-ol
1250-95-9

5α,6α-epoxycholestan-3β-ol

Conditions
ConditionsYield
at 150℃; Further byproducts given;A 21.9%
B 13%
C 7.4%
D 10.8%
at 150℃; Further byproducts given;A 21.9%
B 13%
C 7.4%
D 10.8%
at 150℃; for 1h;
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

25-hydroxychlolesterol
2140-46-7

25-hydroxychlolesterol

C

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

D

5α,6α-epoxycholestan-3β-ol
1250-95-9

5α,6α-epoxycholestan-3β-ol

Conditions
ConditionsYield
at 150℃; Further byproducts given;A 21.9%
B 2.3%
C 13%
D 10.8%
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

C

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

D

5α,6α-epoxycholestan-3β-ol
1250-95-9

5α,6α-epoxycholestan-3β-ol

Conditions
ConditionsYield
at 150℃; Further byproducts given;A 21.9%
B 4%
C 13%
D 10.8%
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

C

22(R)-Hydroxycholesterol
17954-98-2

22(R)-Hydroxycholesterol

D

5α,6α-epoxycholestan-3β-ol
1250-95-9

5α,6α-epoxycholestan-3β-ol

Conditions
ConditionsYield
at 150℃; Further byproducts given;A 21.9%
B 13%
C 0.6%
D 10.8%
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

D

5α,6α-epoxycholestan-3β-ol
1250-95-9

5α,6α-epoxycholestan-3β-ol

Conditions
ConditionsYield
at 150℃; Further byproducts given;A 21.9%
B 13%
C 0.3%
D 10.8%
cholesterol
57-88-5

cholesterol

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

7-ketocholesteryl acetate
809-51-8

7-ketocholesteryl acetate

aluminum isopropoxide
555-31-7

aluminum isopropoxide

isopropyl alcohol
67-63-0

isopropyl alcohol

A

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
anschliessenden Behandeln mit wss.KOH;
anschliessenden Behandeln mit wss.KOH;
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

cholestanetriol
1253-84-5

cholestanetriol

C

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

D

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

E

3β-hydroxycholest-5-ene-7-hydroperoxide
86900-29-0

3β-hydroxycholest-5-ene-7-hydroperoxide

F

(6aS,6bS,9R,9aR,11aS,11bR)-9a,11b-dimethyl-9-((R)-6-methylheptan-2-yl)hexadecahydrocyclopenta[1,2]phenanthro[8a,9-b]oxiren-3-ol
55700-78-2

(6aS,6bS,9R,9aR,11aS,11bR)-9a,11b-dimethyl-9-((R)-6-methylheptan-2-yl)hexadecahydrocyclopenta[1,2]phenanthro[8a,9-b]oxiren-3-ol

Conditions
ConditionsYield
With egg lechitin; oxygen; tris(acetylacetonato)iron(III) In benzene at 40℃; for 24h; Product distribution; determination of fatty acid degradation, determination of stereoselectivity of epoxidation, inhibition of a radical scavenger in the oxidation, other temperature, other solvent, other catalyst;
cholesterol
57-88-5

cholesterol

A

7-Oxocholesterol
566-28-9

7-Oxocholesterol

B

cholestanetriol
1253-84-5

cholestanetriol

C

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

D

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

F

5α,6α-epoxycholestan-3β-ol
1250-95-9

5α,6α-epoxycholestan-3β-ol

Conditions
ConditionsYield
With air at 150℃; for 24h; Product distribution; var. temperature, var. time;
cholesterol
57-88-5

cholesterol

A

Cholest-5-en-3-one
601-54-7

Cholest-5-en-3-one

B

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

C

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

D

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

F

5α,6α-epoxycholestan-3β-ol
1250-95-9

5α,6α-epoxycholestan-3β-ol

Conditions
ConditionsYield
With tetrasodium 5,10,15,20-tetra(4-sulfophenyl)porphyrinatoiron(III); dihydrogen peroxide In 2,2,4-trimethylpentane; water for 12h; Product distribution; other sterols, other iron(III) porphyrins; var. water/surfactant ratio and pH; oxidation in AOT reversed micelles;
Cholesteryl acetate
604-35-3

Cholesteryl acetate

A

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With tert.-butylhydroperoxide; lithium aluminium tetrahydride; potassium carbonate; chromium(0) hexacarbonyl Yield given. Multistep reaction. Yields of byproduct given;
5α-hydroperoxy-3β-benzoyloxycholest-6-ene
129238-78-4

5α-hydroperoxy-3β-benzoyloxycholest-6-ene

A

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With potassium hydroxide; tributyltin methoxide; triphenylphosphine Multistep reaction;
7β-hydroperoxy-3β-hydroxycholest-5-ene
36871-91-7

7β-hydroperoxy-3β-hydroxycholest-5-ene

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With triphenylphosphine In diethyl ether Ambient temperature;
3β-hydroxycholest-5-ene-7-hydroperoxide
86900-29-0

3β-hydroxycholest-5-ene-7-hydroperoxide

A

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol; diethyl ether Reduction;A n/a
B 40 mg
cholesterol
57-88-5

cholesterol

water
7732-18-5

water

air

air

sodium-stearate

sodium-stearate

A

cholest-3,5-dien-7-one
567-72-6

cholest-3,5-dien-7-one

B

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

C

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

D

3β-hydroxy-cholesten-(5)-one-(7)

3β-hydroxy-cholesten-(5)-one-(7)

Conditions
ConditionsYield
at 85℃; pH 8.5;
cholesterol
57-88-5

cholesterol

water
7732-18-5

water

oxygen

oxygen

sodium-stearate

sodium-stearate

A

cholest-3,5-dien-7-one
567-72-6

cholest-3,5-dien-7-one

B

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

C

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

D

3β-hydroxy-cholesten-(5)-one-(7)

3β-hydroxy-cholesten-(5)-one-(7)

Conditions
ConditionsYield
at 85℃; pH 8.5;
diethyl ether
60-29-7

diethyl ether

7-ketocholesteryl acetate
809-51-8

7-ketocholesteryl acetate

LiAlH4

LiAlH4

A

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

B

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

cholesterol
57-88-5

cholesterol

A

3β,5α-dihydroxycholest-5-ene
34310-88-8

3β,5α-dihydroxycholest-5-ene

B

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol
566-26-7

(3S,7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol

C

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
With lumiflavin; oxygen In acetonitrile for 4h; Product distribution; Further Variations:; Solvents; Reagents; reaction times; Irradiation;A 12 mg
B n/a
C n/a
cholesterol
57-88-5

cholesterol

ibu-guanosine

ibu-guanosine

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 62 percent / O2; N-hydroxyphthalamide; benzoyl peroxide / ethyl acetate; acetone / 72 h / 50 - 60 °C
2: 75 percent / CeCl3*H2O; NaBH4 / tetrahydrofuran; methanol / 1 h / 20 °C
View Scheme
cholesterol
57-88-5

cholesterol

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: O2; hematoporphyrin / pyridine / 5 h / 10 °C / Irradiation
2: CHCl3 / 120 h / 20 °C
3: 40 mg / NaBH4 / methanol; diethyl ether
View Scheme
Multi-step reaction with 4 steps
1: pyridine / dichloromethane / Inert atmosphere
2: pyridinium chlorochromate / toluene / Inert atmosphere
3: cerium(III) chloride heptahydrate; sodium tetrahydroborate / methanol; tetrahydrofuran / 25 °C / Inert atmosphere
4: sodium carbonate / methanol; water / 25 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: pyridine / 37 °C / Inert atmosphere
2: lithium hydroxide / tetrahydrofuran; methanol; water / 2 h / 20 °C
3: cerium(III) chloride heptahydrate; sodium tetrahydroborate / methanol / 4 h / 0 - 20 °C / Inert atmosphere
View Scheme
cholesterol 5α-hydroperoxide
55529-60-7, 3328-25-4

cholesterol 5α-hydroperoxide

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CHCl3 / 120 h / 20 °C
2: 40 mg / NaBH4 / methanol; diethyl ether
View Scheme
7-ketocholesteryl acetate
809-51-8

7-ketocholesteryl acetate

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: LiALH4 / diethyl ether / 20 °C
1.2: 61 percent / pyridine / 1 h / 100 °C
2.1: 87 percent / NaOH / methanol / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: methanol; potassium carbonate / tetrahydrofuran / 1 h / 20 °C
2: sodium tetrahydroborate / methanol; tetrahydrofuran / 2 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: cerium(III) chloride heptahydrate; sodium tetrahydroborate / methanol; tetrahydrofuran / 25 °C / Inert atmosphere
2: sodium carbonate / methanol; water / 25 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: lithium hydroxide / tetrahydrofuran; methanol; water / 2 h / 20 °C
2: cerium(III) chloride heptahydrate; sodium tetrahydroborate / methanol / 4 h / 0 - 20 °C / Inert atmosphere
View Scheme
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Benzoyltriazole

Benzoyltriazole

3β,7β-bis-benzoyloxy-cholest-5-ene
6038-38-6

3β,7β-bis-benzoyloxy-cholest-5-ene

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile for 4h; Ambient temperature;95%
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

7-Oxocholesterol
566-28-9

7-Oxocholesterol

Conditions
ConditionsYield
With 3,5-dimethyl-1H-pyrazole; pyridinium chlorochromate In dichloromethane at 2 - 3℃; for 0.5h;89%
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

Δ4-7β-hydroxycholesterol
25876-54-4

Δ4-7β-hydroxycholesterol

Conditions
ConditionsYield
With phosphate buffer pH 7; oxygen; (2-hydroxypropyl)-α-cyclodextrin at 20℃; for 24h; catalase, Brevibacterium sp. cholesterol oxidase E.C. 1.1.3.6;85%
With catalase; cholesterol oxidase 1.) butyl acetate, 48 h; 2.) ethanol, oxalic acid, 30 min, 60 deg C; Yield given. Multistep reaction;
With buffer containing Triton-X 100; cetyltrimethylammonim bromide; cholesterol oxidase In cyclohexane; butan-1-ol Kinetics; further reaction conditions;
With recombinant Brevibacterium cholesterol oxidase In phosphate buffer; isopropyl alcohol at 25℃; for 12h; pH=7;
succinic acid anhydride
108-30-5

succinic acid anhydride

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

cholest-5-ene-3β-7β-diyl dihemisuccinate
95615-70-6

cholest-5-ene-3β-7β-diyl dihemisuccinate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane for 24h; Inert atmosphere; Reflux;83%
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

5α-cholestane-3β,6α,7β-triol
202416-16-8

5α-cholestane-3β,6α,7β-triol

Conditions
ConditionsYield
With sodium perborate tetrahydrate In tetrahydrofuran at 20℃; Inert atmosphere;69%
(E)-3-(4-acetoxy-3-methoxyphenyl)acrylic acid
2596-47-6, 147677-05-2, 34749-55-8

(E)-3-(4-acetoxy-3-methoxyphenyl)acrylic acid

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

3-O-(4-acetoxyferuloyl)-7β-hydroxycholesterol

3-O-(4-acetoxyferuloyl)-7β-hydroxycholesterol

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 6h; Inert atmosphere;42%
pyridine
110-86-1

pyridine

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

acetic anhydride
108-24-7

acetic anhydride

3β-acetoxy-7β-hydroxycholest-5-ene
17974-77-5

3β-acetoxy-7β-hydroxycholest-5-ene

Conditions
ConditionsYield
at 0℃;
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

7-dehydrocholesterol
434-16-2

7-dehydrocholesterol

cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

oxalic acid
144-62-7

oxalic acid

7-dehydrocholesterol
434-16-2

7-dehydrocholesterol

Conditions
ConditionsYield
at 180 - 190℃;
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

acetic anhydride
108-24-7

acetic anhydride

3β-acetoxy-7β-hydroxycholest-5-ene
17974-77-5

3β-acetoxy-7β-hydroxycholest-5-ene

Conditions
ConditionsYield
With pyridine at 0℃;
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

acetic anhydride
108-24-7

acetic anhydride

cholest-5-ene-3β,7β-diol diacetate
18099-24-6

cholest-5-ene-3β,7β-diol diacetate

Conditions
ConditionsYield
With pyridine
With pyridine
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

benzoyl chloride
98-88-4

benzoyl chloride

3β,7β-bis-benzoyloxy-cholest-5-ene
6038-38-6

3β,7β-bis-benzoyloxy-cholest-5-ene

Conditions
ConditionsYield
With pyridine
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

benzoic acid anhydride
93-97-0

benzoic acid anhydride

7-dehydrocholesterol
434-16-2

7-dehydrocholesterol

Conditions
ConditionsYield
at 180 - 190℃;
cholest-5-en-3β,7β-diol
566-27-8

cholest-5-en-3β,7β-diol

benzoic acid anhydride
93-97-0

benzoic acid anhydride

3β,7β-cholest-5-ene-3,7-diol-3-benzoate
17974-80-0

3β,7β-cholest-5-ene-3,7-diol-3-benzoate

Conditions
ConditionsYield
With benzene
With toluene
With xylene

7-Hydroxy cholesterol Specification

The IUPAC name of 7-Hydroxy cholesterol is (7R,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol. With the CAS registry number 566-27-8, it is also named as Cholest-5-ene-3,7-diol, (3beta,7beta)-. The product's categories are hydroxycholesterol, intermediates & fine chemicals, pharmaceuticals and steroids. In addition, its molecular formula is C27H46O2 and molecular weight is 402.65. Moreover, this chemical is used as a metabolite of Cholesterol.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 7.94; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.94; (4)ACD/LogD (pH 7.4): 7.94; (5)ACD/BCF (pH 5.5): 634835.13; (6)ACD/BCF (pH 7.4): 634835.13; (7)ACD/KOC (pH 5.5): 495581.5; (8)ACD/KOC (pH 7.4): 495581.5; (9)H bond acceptors: 2; (10)H bond donors: 2; (11)Freely Rotating Bonds: 7; (12)Polar Surface Area: 18.46 Å2; (13)Index of Refraction: 1.536; (14)Molar Refractivity: 121.48 cm3; (15)Molar Volume: 389.3 cm3; (16)Polarizability: 48.16×10-24cm3; (17)Surface Tension: 41.4 dyne/cm; (18)Density: 1.03 g/cm3; (19)Flash Point: 214.7 °C; (20)Enthalpy of Vaporization: 90.6 kJ/mol; (21)Boiling Point: 515.3 °C at 760 mmHg; (22)Vapour Pressure: 8.93E-13 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following: 7-Hydroxy cholesterol is harmful if swallowed and very toxic by inhalation.

People can use the following data to convert to the molecule structure.
SMILES:CC(C)CCC[C@@H](C)[C@H]3CC[C@H]2[C@@H]4[C@@H](O)/C=C1/C[C@@H](O)CC[C@]1(C)[C@H]4CC[C@@]23C
InChI:InChI=1/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h16-18,20-25,28-29H,6-15H2,1-5H3/t18-,20+,21-,22+,23+,24+,25+,26+,27-/m1/s1
InChIKey:OYXZMSRRJOYLLO-KGZHIOMZBE
Std. InChI:InChI=1S/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h16-18,20-25,28-29H,6-15H2,1-5H3/t18-,20+,21-,22+,23+,24+,25+,26+,27-/m1/s1
Std. InChIKey:OYXZMSRRJOYLLO-KGZHIOMZSA-N

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