Product Name

  • Name

    16,(5-ALPHA)-ANDROSTEN-3-BETA-OL

  • EINECS 214-573-1
  • CAS No. 7148-51-8
  • Article Data27
  • CAS DataBase
  • Density 1.037 g/cm3
  • Solubility
  • Melting Point 123-124 °C
  • Formula C19H30O
  • Boiling Point 374.1 °C at 760 mmHg
  • Molecular Weight 274.447
  • Flash Point 156.5 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 7148-51-8 (16,(5-ALPHA)-ANDROSTEN-3-BETA-OL)
  • Hazard Symbols
  • Synonyms 5a-Androst-16-en-3b-ol (6CI,7CI,8CI);3b-Hydroxy-5a-androst-16-ene;JNF 55;NSC65888;
  • PSA 20.23000
  • LogP 4.55610

Synthetic route

Conditions
ConditionsYield
With sodium tetrahydroborate In tetrahydrofuran; methanol for 2h; Ambient temperature;A 77%
B 2%
With aluminum isopropoxide; isopropyl alcohol Isolierung ueber die in wss. Aethanol schwer loesliche Verbindung mit Digitonin;
With ethanol; water; lithium tri-sec-butyl(hydrido)borate 1.) THF, r.t., 3 h; 2.) -55 deg C; Yield given. Multistep reaction. Yields of byproduct given;
17-iodo-3β-hydroxy-5α-androstan-16-ene
95043-81-5

17-iodo-3β-hydroxy-5α-androstan-16-ene

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
With diethylene glycol monoethyl ether sodium salt In 1,4-dioxane at 100℃; for 92h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere;75.4%
With ethanol; sodium Heating;
With sodium In ethanol Reflux;
16R-bromopregnane-3S,20S-diol
939496-37-4

16R-bromopregnane-3S,20S-diol

A

16S,20S-epoxypregnane-3S-ol

16S,20S-epoxypregnane-3S-ol

B

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
With potassium tert-butylate In tert-butyl alcohol at 60℃; for 18h;A 65%
B 30%
With potassium tert-butylate In tert-butyl alcohol at 82℃; for 5h;A 46%
B 52%
Epiandrosterone
481-29-8

Epiandrosterone

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Stage #1: Epiandrosterone With toluene-4-sulfonic acid hydrazide In ethanol for 2h; Bamford-Stevens Decomposition; Reflux;
Stage #2: With methyllithium In diethyl ether at 22℃; for 16.5h; Bamford-Stevens Decomposition;
29%
5α-androst-16-en-3-one
18339-16-7

5α-androst-16-en-3-one

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
With lithium aluminium tetrahydride; diethyl ether
5α-androst-16-en-3β-yl acetate
72203-76-0

5α-androst-16-en-3β-yl acetate

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
With potassium hydroxide In methanol
17-bromo-3β-hydroxy-5α-androstan-16-ene
94438-53-6

17-bromo-3β-hydroxy-5α-androstan-16-ene

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
With ethanol; sodium Heating;
17-chloro-3β-hydroxy-5α-androstan-16-ene
17320-46-6

17-chloro-3β-hydroxy-5α-androstan-16-ene

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
With sodium amide In diethyl ether
With ethanol; sodium
With ethanol; sodium Heating;
Stanolone
521-18-6

Stanolone

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 92 percent / pyridine / 24 h / 0 °C
2: 87 percent / toluene / 480 °C
3: 1.) lithium tris(1,2-dimethylpropyl)hydridoborate; 2.) water, ethanol / 1.) THF, r.t., 3 h; 2.) -55 deg C
View Scheme
17β-methoxycarbonyloxy-5α-androstan-3-one
19291-29-3

17β-methoxycarbonyloxy-5α-androstan-3-one

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 87 percent / toluene / 480 °C
2: 1.) lithium tris(1,2-dimethylpropyl)hydridoborate; 2.) water, ethanol / 1.) THF, r.t., 3 h; 2.) -55 deg C
View Scheme
3β-acetoxy-5α-androstan-17-one
1239-31-2

3β-acetoxy-5α-androstan-17-one

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 2.4 g / hydroxylamine hydrochloride / pyridine / 3 h / 60 °C
2: 0.68 g / sodium nitrite, acetic acid / CH2Cl2 / 1 h / Ambient temperature
3: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
4: 0.41 g / pyridine / 12 h / Ambient temperature
5: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 5 steps
1: 2.4 g / hydroxylamine hydrochloride / pyridine / 3 h / 60 °C
2: 0.68 g / sodium nitrite, acetic acid / CH2Cl2 / 1 h / Ambient temperature
3: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
4: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
5: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 5 steps
1: 2.4 g / hydroxylamine hydrochloride / pyridine / 3 h / 60 °C
2: 0.68 g / sodium nitrite, acetic acid / CH2Cl2 / 1 h / Ambient temperature
3: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
4: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
5: 2percent potassium hydroxide / methanol
View Scheme
17-nitroimino-5α-androstan-3β-yl acetate
86270-19-1

17-nitroimino-5α-androstan-3β-yl acetate

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
2: 0.41 g / pyridine / 12 h / Ambient temperature
3: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 3 steps
1: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
2: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
3: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 3 steps
1: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
2: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
3: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 3 steps
1: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
2: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
3: 2percent potassium hydroxide / methanol
View Scheme
17β-nitroamino-5α-androstan-3β-yl acetate
86270-21-5

17β-nitroamino-5α-androstan-3β-yl acetate

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 0.41 g / pyridine / 12 h / Ambient temperature
2: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 2 steps
1: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
2: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 2 steps
1: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
2: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 2 steps
1: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
2: 2percent potassium hydroxide / methanol
View Scheme
(3β,5α)-3-(acetyloxy)androstan-17-one 17-oxime
23498-55-7

(3β,5α)-3-(acetyloxy)androstan-17-one 17-oxime

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 0.68 g / sodium nitrite, acetic acid / CH2Cl2 / 1 h / Ambient temperature
2: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
3: 0.41 g / pyridine / 12 h / Ambient temperature
4: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 4 steps
1: 0.68 g / sodium nitrite, acetic acid / CH2Cl2 / 1 h / Ambient temperature
2: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
3: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
4: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 4 steps
1: 0.68 g / sodium nitrite, acetic acid / CH2Cl2 / 1 h / Ambient temperature
2: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
3: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
4: 2percent potassium hydroxide / methanol
View Scheme
Multi-step reaction with 4 steps
1: 0.68 g / sodium nitrite, acetic acid / CH2Cl2 / 1 h / Ambient temperature
2: 75 percent / sodium borohydride / ethanol / 1.5 h / Ambient temperature
3: 0.41 g / pyridine, acetic anhydride / 12 h / Ambient temperature
4: 2percent potassium hydroxide / methanol
View Scheme
3β-hydroxy-17-hydrozone-5α-androstane
10481-80-8

3β-hydroxy-17-hydrozone-5α-androstane

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: N-chloro-succinimide, Py
2: Na, EtOH
View Scheme
Multi-step reaction with 2 steps
1: NBS, Py
2: Na, EtOH / Heating
View Scheme
Multi-step reaction with 2 steps
1: I2, Et3N
2: Na, EtOH / Heating
View Scheme
Multi-step reaction with 2 steps
1: N-chloro-succinimide, Py
2: Na, EtOH / Heating
View Scheme
meta-bromotoluene
591-17-3

meta-bromotoluene

17-bromo-3β-hydroxy-5α-androstan-16-ene
94438-53-6

17-bromo-3β-hydroxy-5α-androstan-16-ene

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(3’-methylphenyl)-androst-16-en-3-ol

(3β,5α)-17-(3’-methylphenyl)-androst-16-en-3-ol

Conditions
ConditionsYield
Stage #1: 17-bromo-3β-hydroxy-5α-androstan-16-ene With tert.-butyl lithium; XPhos In tetrahydrofuran; pentane at -78℃; for 0.5h; Schlenk technique; Inert atmosphere;
Stage #2: meta-bromotoluene With tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran; toluene; pentane at -78 - 20℃; Temperature;
A n/a
B 44 %Spectr.
2-methylphenyl bromide
95-46-5

2-methylphenyl bromide

17-bromo-3β-hydroxy-5α-androstan-16-ene
94438-53-6

17-bromo-3β-hydroxy-5α-androstan-16-ene

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

Conditions
ConditionsYield
Stage #1: 17-bromo-3β-hydroxy-5α-androstan-16-ene With tert.-butyl lithium; XPhos In tetrahydrofuran; pentane at -78℃; for 0.5h; Schlenk technique; Inert atmosphere;
Stage #2: 2-methylphenyl bromide With tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran; toluene; pentane at -78 - 20℃;
A n/a
B 31 %Spectr.
(4-bromophenoxy)trimethylsilane
17878-44-3

(4-bromophenoxy)trimethylsilane

17-bromo-3β-hydroxy-5α-androstan-16-ene
94438-53-6

17-bromo-3β-hydroxy-5α-androstan-16-ene

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(((4'-trimethylsilyl)ethynyl)phenyl)androst-16-en-3-ol

(3β,5α)-17-(((4'-trimethylsilyl)ethynyl)phenyl)androst-16-en-3-ol

Conditions
ConditionsYield
Stage #1: 17-bromo-3β-hydroxy-5α-androstan-16-ene With tert.-butyl lithium; XPhos In tetrahydrofuran; pentane at -78℃; for 0.5h; Schlenk technique; Inert atmosphere;
Stage #2: (4-bromophenoxy)trimethylsilane With tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran; toluene; pentane at -78 - 20℃;
Epiandrosterone
481-29-8

Epiandrosterone

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: hydrazine hydrate; triethylamine / ethanol / 16 h / 50 °C / Inert atmosphere
1.2: 1 h / 0 - 20 °C
2.1: XPhos; tert.-butyl lithium / pentane; tetrahydrofuran / 0.5 h / -78 °C / Schlenk technique; Inert atmosphere
2.2: -78 - 20 °C
View Scheme
Multi-step reaction with 3 steps
1: hydrazine hydrate; triethylamine / ethanol / 16 h / 50 °C / Inert atmosphere
2: triethylamine; iodine / tetrahydrofuran / 20 °C / Inert atmosphere; Cooling with ice
3: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / benzene; methanol; water / 24 h / Schlenk technique; Reflux
View Scheme
Epiandrosterone
481-29-8

Epiandrosterone

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(3’-methylphenyl)-androst-16-en-3-ol

(3β,5α)-17-(3’-methylphenyl)-androst-16-en-3-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: hydrazine hydrate; triethylamine / ethanol / 16 h / 50 °C / Inert atmosphere
1.2: 1 h / 0 - 20 °C
2.1: XPhos; tert.-butyl lithium / pentane; tetrahydrofuran / 0.5 h / -78 °C / Schlenk technique; Inert atmosphere
2.2: -78 - 20 °C
View Scheme
Epiandrosterone
481-29-8

Epiandrosterone

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(((4'-trimethylsilyl)ethynyl)phenyl)androst-16-en-3-ol

(3β,5α)-17-(((4'-trimethylsilyl)ethynyl)phenyl)androst-16-en-3-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: hydrazine hydrate; triethylamine / ethanol / 16 h / 50 °C / Inert atmosphere
1.2: 1 h / 0 - 20 °C
2.1: XPhos; tert.-butyl lithium / pentane; tetrahydrofuran / 0.5 h / -78 °C / Schlenk technique; Inert atmosphere
2.2: -78 - 20 °C
View Scheme
2-Methylphenylboronic acid
16419-60-6

2-Methylphenylboronic acid

17-iodo-3β-hydroxy-5α-androstan-16-ene
95043-81-5

17-iodo-3β-hydroxy-5α-androstan-16-ene

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In methanol; water; benzene for 24h; Suzuki Coupling; Schlenk technique; Reflux; Overall yield = 22 mg;A n/a
B 31 %Spectr.
3β-hydroxy-17-hydrozone-5α-androstane
10481-80-8

3β-hydroxy-17-hydrozone-5α-androstane

A

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

(3β,5α)-17-(2’-methylphenyl)-androst-16-en-3-ol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triethylamine; iodine / tetrahydrofuran / 20 °C / Inert atmosphere; Cooling with ice
2: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / benzene; methanol; water / 24 h / Schlenk technique; Reflux
View Scheme
methanol
67-56-1

methanol

carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

3β-hydroxy-5α-androstane-16α-carboxylic acid methyl ester
143101-95-5

3β-hydroxy-5α-androstane-16α-carboxylic acid methyl ester

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride at 100 - 120℃; under 120 Torr;83%
ethanol
64-17-5

ethanol

carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carboxylic acid ethyl ester
143101-96-6

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carboxylic acid ethyl ester

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride at 120℃; under 120 Torr;80%
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

A

5α-androsta-2,16-diene
50588-44-8

5α-androsta-2,16-diene

B

3α-fluoro-5α-androst-16-ene

3α-fluoro-5α-androst-16-ene

Conditions
ConditionsYield
With Nonafluorobutanesulfonyl fluoride; 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 0 - 5℃; for 1h;A 20%
B 69%
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

C16H20Cl3NO10

C16H20Cl3NO10

A

C26H40O7

C26H40O7

B

C26H40O7

C26H40O7

Conditions
ConditionsYield
Stage #1: 5α-androst-16-en-3β-ol; C16H20Cl3NO10 With boron trifluoride diethyl etherate In dichloromethane at -15℃; for 16h; Molecular sieve;
Stage #2: With water; sodium hydroxide In methanol for 1h; Overall yield = 67 %;
A 60%
B n/a
Conditions
ConditionsYield
With acetic acid; platinum Hydrogenation;
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

5α-androstanetriol-(3β.16α.17α)
14339-58-3

5α-androstanetriol-(3β.16α.17α)

Conditions
ConditionsYield
With pyridine; osmium(VIII) oxide; diethyl ether Schuetteln des Reaktionsprodukts mit wss. KOH und Mannit;
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

acetic anhydride
108-24-7

acetic anhydride

5α-androst-16-en-3β-yl acetate
72203-76-0

5α-androst-16-en-3β-yl acetate

Conditions
ConditionsYield
With pyridine
carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carbaldehyde
142794-26-1

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carbaldehyde

Conditions
ConditionsYield
With di-μ-chlorobis(norbornadiene)dirhodium(I); tributylphosphine; triethylamine In benzene at 120℃; under 90007.2 Torr;72 % Spectr.
carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

isopropyl alcohol
67-63-0

isopropyl alcohol

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carboxylic acid isopropyl ester
143101-97-7

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carboxylic acid isopropyl ester

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride at 100℃; under 80 Torr;69 % Chromat.
carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

isopropyl alcohol
67-63-0

isopropyl alcohol

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carboxylic acid tert-butyl ester
143101-98-8

(3S,5S,8S,9S,10S,13R,14S,16R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride at 100℃; under 80 Torr;80 % Chromat.
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

A

5alpha-Androstane-3beta,17alpha-diol
5856-11-1

5alpha-Androstane-3beta,17alpha-diol

B

3β,16α-dihydroxy-5α-androstane
22630-49-5

3β,16α-dihydroxy-5α-androstane

Conditions
ConditionsYield
With sodium hydroxide; borane; dihydrogen peroxide 1.) THF, 4 h, 2.) overnight; Yield given; Multistep reaction;A n/a
B 1.58 g
With sodium hydroxide; borane; dihydrogen peroxide 1.) THF, 4 h, 2.) overnight; Yield given; Multistep reaction;A 1.17 g
B n/a
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

16α,17α-epoxy-5α-androstane-3β-ol

16α,17α-epoxy-5α-androstane-3β-ol

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In chloroform 1.) 0 deg C, 10 min, 2.) room temperature, 2 h;1.1 g
With 3-chloro-benzenecarboperoxoic acid In chloroform
(2-hydroxyethyl)(methyl)amine
109-83-1

(2-hydroxyethyl)(methyl)amine

carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

3β-hydroxy-16α(β)-[N,N-(methyl, 2-hydroxyethylamino)methyl]-5α-androstane

3β-hydroxy-16α(β)-[N,N-(methyl, 2-hydroxyethylamino)methyl]-5α-androstane

C

(3S,5S,8S,9S,10S,13R,14S)-16-[1-[(2-Hydroxy-ethyl)-methyl-amino]-meth-(Z)-ylidene]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

(3S,5S,8S,9S,10S,13R,14S)-16-[1-[(2-Hydroxy-ethyl)-methyl-amino]-meth-(Z)-ylidene]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

Conditions
ConditionsYield
With di-μ-chlorobis(norbornadiene)dirhodium(I); tributylphosphine; hydrogen In benzene at 120℃; under 60800 Torr; for 6h; Carbonylation; condensation; hydrogenation;A 13.7 % Chromat.
B 78.4 % Chromat.
C 7.8 % Chromat.
2-aminobutanol
96-20-8, 13054-87-0

2-aminobutanol

carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3S,5S,8S,9S,10S,13R,14S)-16-[(1-Hydroxymethyl-propylamino)-methyl]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

(3S,5S,8S,9S,10S,13R,14S)-16-[(1-Hydroxymethyl-propylamino)-methyl]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

Conditions
ConditionsYield
With di-μ-chlorobis(norbornadiene)dirhodium(I); tributylphosphine; hydrogen In benzene at 120℃; under 60800 Torr; for 6h; Carbonylation; condensation; hydrogenation;A 7.4 % Chromat.
B 92.6 % Chromat.
N-(2-hydroxyethyl)-N-propylamine
16369-21-4

N-(2-hydroxyethyl)-N-propylamine

carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

B

(3S,5S,8S,9S,10S,13R,14S)-16-[1-[(2-Hydroxy-ethyl)-propyl-amino]-meth-(Z)-ylidene]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

(3S,5S,8S,9S,10S,13R,14S)-16-[1-[(2-Hydroxy-ethyl)-propyl-amino]-meth-(Z)-ylidene]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

C

(3S,5S,8S,9S,10S,13R,14S)-16-{[(2-Hydroxy-ethyl)-propyl-amino]-methyl}-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

(3S,5S,8S,9S,10S,13R,14S)-16-{[(2-Hydroxy-ethyl)-propyl-amino]-methyl}-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

Conditions
ConditionsYield
With di-μ-chlorobis(norbornadiene)dirhodium(I); tributylphosphine; hydrogen In benzene at 120℃; under 60800 Torr; for 6h; Carbonylation; condensation; hydrogenation;A 6.5 % Chromat.
B 4.4 % Chromat.
C 89.0 % Chromat.
carbon monoxide
201230-82-2

carbon monoxide

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

propan-1-ol-3-amine
156-87-6

propan-1-ol-3-amine

B

3β-hydroxy-16α(β)-[N-(3-hydroxypropylamino)methyl]-5α-androstane

3β-hydroxy-16α(β)-[N-(3-hydroxypropylamino)methyl]-5α-androstane

Conditions
ConditionsYield
With di-μ-chlorobis(norbornadiene)dirhodium(I); tributylphosphine; hydrogen In benzene at 120℃; under 60800 Torr; for 6h; Carbonylation; condensation; hydrogenation;A 8.2 % Chromat.
B 91.8 % Chromat.
pyridine
110-86-1

pyridine

diethyl ether
60-29-7

diethyl ether

5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

OsO4

OsO4

5α-androstanetriol-(3β.16α.17α)
14339-58-3

5α-androstanetriol-(3β.16α.17α)

Conditions
ConditionsYield
Schuetteln des Reaktionsprodukts mit wss. KOH und Mannit;
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

3β,16β-dihydroxy-5α-androstane
7657-53-6

3β,16β-dihydroxy-5α-androstane

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) borane, 2.) aq. NaOH, H2O2 / 1.) THF, 4 h, 2.) overnight
2: 1 g / CrO3 / acetone / 0.5 h / 0 deg C to room temperature
3: 0.85 g / NaBH4 / methanol / 0.67 h / 0 °C
View Scheme
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

11α,16β-dihydroxy-5α-androstane-3-one
24317-68-8

11α,16β-dihydroxy-5α-androstane-3-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 1.) borane, 2.) aq. NaOH, H2O2 / 1.) THF, 4 h, 2.) overnight
2: 1 g / CrO3 / acetone / 0.5 h / 0 deg C to room temperature
3: 0.85 g / NaBH4 / methanol / 0.67 h / 0 °C
4: 4.5 percent / Cephalosporium aphidicola in shake culture / ethanol / 168 h
View Scheme
5α-androst-16-en-3β-ol
7148-51-8

5α-androst-16-en-3β-ol

5α-androstane-3,16-dione
1035-71-8

5α-androstane-3,16-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) borane, 2.) aq. NaOH, H2O2 / 1.) THF, 4 h, 2.) overnight
2: 1 g / CrO3 / acetone / 0.5 h / 0 deg C to room temperature
View Scheme

5alpha-Androst-16-en-3beta-ol Specification

The IUPAC name of 5alpha-Androst-16-en-3beta-ol is (3S,5S,8R,9S,10S,13R,14S)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol. With the CAS registry number 7148-51-8, it is also named as 16,(5-alpha)-Androsten-3-beta-ol. The product's categories are Intermediates & Fine Chemicals; Metabolites & Impurities; Pharmaceuticals; Steroids. It is a metabolite of 16-Androstene.

The other characteristics of 5alpha-Androst-16-en-3beta-ol can be summarized as: (1)ACD/LogP: 5.88; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.88; (4)ACD/LogD (pH 7.4): 5.88; (5)ACD/BCF (pH 5.5): 17447; (6)ACD/BCF (pH 7.4): 17447; (7)ACD/KOC (pH 5.5): 37827.77; (8)ACD/KOC (pH 7.4): 37827.77; (9)#H bond acceptors: 1; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Index of Refraction: 1.54; (13)Molar Refractivity: 82.96 cm3; (14)Molar Volume: 264.4 cm3; (15)Polarizability: 32.89×10-24 cm3; (16)Surface Tension: 41.1 dyne/cm; (17)Enthalpy of Vaporization: 71.9 kJ/mol; (18)Vapour Pressure: 4E-07 mmHg at 25°C; (19)Exact Mass: 274.229666; (20)MonoIsotopic Mass: 274.229666; (21)Topological Polar Surface Area: 20.2; (22)Heavy Atom Count: 20; (23)Complexity: 428; (24)Defined Atom StereoCenter Count: 7.

People can use the following data to convert to the molecule structure. 
1. SMILES:O[C@@H]4C[C@@H]3CC[C@H]2[C@H]1[C@@](/C=C\C1)(CC[C@@H]2[C@@]3(C)CC4)C
2. InChI:InChI=1/C19H30O/c1-18-9-3-4-16(18)15-6-5-13-12-14(20)7-11-19(13,2)17(15)8-10-18/h3,9,13-17,20H,4-8,10-12H2,1-2H3/t13-,14-,15-,16-,17-,18-,19-/m0/s1
3. InChIKey:KRVXMNNRSSQZJP-LOVVWNRFBX

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