Product Name

  • Name

    Canrenone

  • EINECS 213-554-5
  • CAS No. 976-71-6
  • Article Data30
  • CAS DataBase
  • Density 1.19 g/cm3
  • Solubility 272.4ug/L(25 oC)
  • Melting Point 158-160 °C
  • Formula C22H28O3
  • Boiling Point 541.1 °C at 760 mmHg
  • Molecular Weight 340.463
  • Flash Point 237.6 °C
  • Transport Information
  • Appearance
  • Safety 36/37-61
  • Risk Codes 40-51/53
  • Molecular Structure Molecular Structure of 976-71-6 (Canrenone)
  • Hazard Symbols Xn,N
  • Synonyms 17a-Pregna-4,6-diene-21-carboxylicacid, 17-hydroxy-3-oxo-, g-lactone (6CI,7CI,8CI);17-Hydroxy-3-oxo-17a-pregna-4,6-diene-21-carboxylic acid g-lactone;17a-(2-Carboxyethyl)-17b-hydroxyandrosta-4,6-dien-3-one lactone;17b-Hydroxy-3-oxopregna-4,6-diene-21-carboxylicacid;20-Spiroxa-4,6-diene-3,21-dione;3-(17b-Hydroxy-3-oxoandrosta-4,6-dien-17a-yl)propionic acid g-lactone;3'-(3-Oxo-17b-hydroxyandrosta-4,6-dien-17a-yl)-propionic acid lactone;Aldadiene;Phanurane;
  • PSA 43.37000
  • LogP 4.37010

Synthetic route

SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With mercury dichloride In ethanol Ambient temperature;95%
With sodium methylate In tetrahydrofuran at 20℃; for 18h; Elimination;72%
With potassium dihydrogenphosphate In ethanol at 40℃; Rate constant; Kinetics; Thermodynamic data; var. buffers, pH, temp., ionic strengh, spironolactone and buffer conc.; energy of activation;
potassium canrenoate

potassium canrenoate

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With NH2SO4 In methanol for 0.0833333h; Heating;92%
With hydrogenchloride In chloroform for 8h; Heating;86%
With acetic acid for 0.5h; Heating;
17β-hydroxy-3-ethoxy-17α-pregna-3,5-diene-21-carboxylic acid-γ-lactone

17β-hydroxy-3-ethoxy-17α-pregna-3,5-diene-21-carboxylic acid-γ-lactone

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With chloranil In methanol; water; 1,2-dichloro-ethane at 20℃; for 1h;84%
17β-hydroxy-3-ethoxy-17α-pregn-3,5-diene-21-carboxylic acid-γ-lactone

17β-hydroxy-3-ethoxy-17α-pregn-3,5-diene-21-carboxylic acid-γ-lactone

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Stage #1: 17β-hydroxy-3-ethoxy-17α-pregn-3,5-diene-21-carboxylic acid-γ-lactone With chloranil In methanol; dichloromethane; water at 20℃; for 1h;
Stage #2: With sodium thiosulfate In methanol; water at 20℃; for 1h;
83%
3-oxopregn-4-ene-21,17α-carbolactone
976-70-5

3-oxopregn-4-ene-21,17α-carbolactone

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With chloranil In tert-butyl alcohol Heating;70%
With chloranil; toluene-4-sulfonic acid; xylene
SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

A

canrenone
976-71-6

canrenone

B

Chloronone
79327-11-0

Chloronone

Conditions
ConditionsYield
With mercury dichloride In ethanol for 2h; Heating;A 38%
B 54%
Conditions
ConditionsYield
Yield given. Multistep reaction;
levonorgestrel
434-03-7

levonorgestrel

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 98 percent / trimethyl orthoformate, p-toluenesulfonic acid / methanol / 3 h / 50 °C
2: H2, triphenylphosphine, rhodium acetate dimer / ethyl acetate / 20 h / 80 °C / 9000.7 Torr
3: 100 percent / N-methylmorpholine N-oxide (NMO), RuCl2(Ph3P)3 / dimethylformamide / 0.17 h
4: 97 percent / 6 N HCl / tetrahydrofuran / 0.5 h
5: 70 percent / p-chloranil / 2-methyl-propan-2-ol / Heating
View Scheme
17α-ethynyl-17β-hydroxy-5-androsten-3-one ethylene ketal
50407-76-6

17α-ethynyl-17β-hydroxy-5-androsten-3-one ethylene ketal

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: H2, triphenylphosphine, rhodium acetate dimer / ethyl acetate / 20 h / 80 °C / 9000.7 Torr
2: 100 percent / N-methylmorpholine N-oxide (NMO), RuCl2(Ph3P)3 / dimethylformamide / 0.17 h
3: 97 percent / 6 N HCl / tetrahydrofuran / 0.5 h
4: 70 percent / p-chloranil / 2-methyl-propan-2-ol / Heating
View Scheme
5'-hydroxyspiro-5-en-3-one
121936-43-4

5'-hydroxyspiro-5-en-3-one

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 100 percent / N-methylmorpholine N-oxide (NMO), RuCl2(Ph3P)3 / dimethylformamide / 0.17 h
2: 97 percent / 6 N HCl / tetrahydrofuran / 0.5 h
3: 70 percent / p-chloranil / 2-methyl-propan-2-ol / Heating
View Scheme
C24H34O4
75219-50-0

C24H34O4

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 97 percent / 6 N HCl / tetrahydrofuran / 0.5 h
2: 70 percent / p-chloranil / 2-methyl-propan-2-ol / Heating
View Scheme
3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone
38753-76-3

3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone

methyl iodide
74-88-4

methyl iodide

A

canrenone
976-71-6

canrenone

B

7-Thiomethylspirolactone
38753-77-4

7-Thiomethylspirolactone

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 20℃; for 2h;
3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone
38753-76-3

3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With sodium methylate; methyl iodide In methanol at 20℃; for 1h;
SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

A

3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone
38753-76-3

3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone

B

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With sodium hypochlorite; octabromotetrakis(2,6-dichlorophenyl)porphyrin Fe(III)Cl In water; acetonitrile at 80℃; for 0.833333h; Microwave irradiation;
With curvularia lunata Microbiological reaction;
Androstenedione
63-05-8

Androstenedione

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: potassium hydroxide / tetrahydrofuran / 6.5 h / 15 - 20 °C / Inert atmosphere
2: 5%-palladium/activated carbon; hydrogen / ethanol / 5 h / 20 - 30 °C / Inert atmosphere
3: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide; sodium hypochlorite; tetrabutyl-ammonium chloride / dichloromethane / 6 h / 10 - 15 °C
4: pyridine; sodium acetate; acetic acid; N-Bromosuccinimide / acetone; water / 2 h / -2 - 2 °C
5: lithium carbonate; lithium bromide / N,N-dimethyl-formamide / 3 h / 100 - 105 °C
View Scheme
C22H29BrO3

C22H29BrO3

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With lithium carbonate; lithium bromide In N,N-dimethyl-formamide at 100 - 105℃; for 3h;7.8 g
17,23-dihydroxy-21,24-dinor-17βH-chol-4-en-20-yn-3-one
55542-26-2

17,23-dihydroxy-21,24-dinor-17βH-chol-4-en-20-yn-3-one

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 5%-palladium/activated carbon; hydrogen / ethanol / 5 h / 20 - 30 °C / Inert atmosphere
2: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide; sodium hypochlorite; tetrabutyl-ammonium chloride / dichloromethane / 6 h / 10 - 15 °C
3: pyridine; sodium acetate; acetic acid; N-Bromosuccinimide / acetone; water / 2 h / -2 - 2 °C
4: lithium carbonate; lithium bromide / N,N-dimethyl-formamide / 3 h / 100 - 105 °C
View Scheme
17α-(3-hydroxypropyl)-17β-hydroxy-4-androsten-3-one
55542-27-3

17α-(3-hydroxypropyl)-17β-hydroxy-4-androsten-3-one

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide; sodium hypochlorite; tetrabutyl-ammonium chloride / dichloromethane / 6 h / 10 - 15 °C
2: pyridine; sodium acetate; acetic acid; N-Bromosuccinimide / acetone; water / 2 h / -2 - 2 °C
3: lithium carbonate; lithium bromide / N,N-dimethyl-formamide / 3 h / 100 - 105 °C
View Scheme
SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

A

3-(17β-hydroxy-3-oxo-1,4,6-androstadien-17α-yl)propionic acid γ-lactone
6785-74-6

3-(17β-hydroxy-3-oxo-1,4,6-androstadien-17α-yl)propionic acid γ-lactone

B

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With gibberella fujikuroi for 240h; Microbiological reaction;
SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

A

15α-hydroxycanrenone
58551-67-0

15α-hydroxycanrenone

B

1β-hydroxycanronene

1β-hydroxycanronene

C

1α-hydroxycanrenone

1α-hydroxycanrenone

D

1-dehydro-15α-hydroxycanrenone

1-dehydro-15α-hydroxycanrenone

E

3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone
38753-76-3

3-(3-oxo-7α-thio-17β-hydroxy-4-androsten-17α-yl)propionic acid γ-lactone

F

3-(17β-hydroxy-3-oxo-1,4,6-androstadien-17α-yl)propionic acid γ-lactone
6785-74-6

3-(17β-hydroxy-3-oxo-1,4,6-androstadien-17α-yl)propionic acid γ-lactone

G

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With aspergillus alliaceus Microbiological reaction;
SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

A

15α-hydroxycanrenone
58551-67-0

15α-hydroxycanrenone

B

1β-hydroxycanronene

1β-hydroxycanronene

C

1α-hydroxycanrenone

1α-hydroxycanrenone

D

1-dehydro-15α-hydroxycanrenone

1-dehydro-15α-hydroxycanrenone

E

3-(17β-hydroxy-3-oxo-1,4,6-androstadien-17α-yl)propionic acid γ-lactone
6785-74-6

3-(17β-hydroxy-3-oxo-1,4,6-androstadien-17α-yl)propionic acid γ-lactone

F

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With fusarium lini Microbiological reaction;
3-ethoxyandrosta-3,5-dien-17-one
972-46-3

3-ethoxyandrosta-3,5-dien-17-one

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: lithium bromide; C30H31Cl3N3(1+)*BF4(1-); triethylamine / 1,2-dichloro-ethane / 5 h / 20 °C / Inert atmosphere; Sealed tube
2: chloranil / 1,2-dichloro-ethane; methanol; water / 1 h / 20 °C
View Scheme
C25H32O5

C25H32O5

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With acetic acid In water; toluene at 0 - 100℃; for 24h; pH=7.1; Temperature; pH-value; Autoclave; Inert atmosphere;33.1 g
C22H30O4

C22H30O4

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With methanesulfonyl chloride; triethylamine In dichloromethane at 0℃; for 4h; Temperature; Reagent/catalyst; Solvent; Inert atmosphere;8.6 g
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: iodine; mercury dichloride; magnesium / diethyl ether / 0.5 h / 40 °C
1.2: 2.5 h / 0 - 20 °C
2.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / 0 °C
2.2: 2 h / 0 - 20 °C
2.3: 1 h / 0 - 20 °C
3.1: Dess-Martin periodane / dichloromethane / 4 h / 0 - 20 °C
4.1: chloranil / tert-butyl alcohol / 3 h / 80 °C
View Scheme
21,24-dinor-3β,17β-dihydroxy-chol-5-en-22-yne
156894-83-6

21,24-dinor-3β,17β-dihydroxy-chol-5-en-22-yne

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / 0 °C
1.2: 2 h / 0 - 20 °C
1.3: 1 h / 0 - 20 °C
2.1: Dess-Martin periodane / dichloromethane / 4 h / 0 - 20 °C
3.1: chloranil / tert-butyl alcohol / 3 h / 80 °C
View Scheme
3β,17β-Dihydroxy-5-androsten-17α-propanoic Acid γ-Lactone
13934-61-7

3β,17β-Dihydroxy-5-androsten-17α-propanoic Acid γ-Lactone

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Dess-Martin periodane / dichloromethane / 4 h / 0 - 20 °C
2: chloranil / tert-butyl alcohol / 3 h / 80 °C
View Scheme
C22H30O3

C22H30O3

canrenone
976-71-6

canrenone

Conditions
ConditionsYield
With chloranil In tert-butyl alcohol at 80℃; for 3h;7.9 mg
formic acid
64-18-6

formic acid

canrenone
976-71-6

canrenone

A

C22H27ClO3
66175-65-3

C22H27ClO3

B

7α-Chlor-6β-(formyloxy)-17β-hydroxy-3-oxo-4,6-pregnadien-21-carbonsaeure-γ-lacton
110078-67-6

7α-Chlor-6β-(formyloxy)-17β-hydroxy-3-oxo-4,6-pregnadien-21-carbonsaeure-γ-lacton

Conditions
ConditionsYield
With tert-butylhypochlorite for 1h; Ambient temperature; Title compound not separated from byproducts;A n/a
B 91%
canrenone
976-71-6

canrenone

4-(t-butyldimethylsilyloxy)-benzyl mercaptan
245076-35-1

4-(t-butyldimethylsilyloxy)-benzyl mercaptan

3-oxo-17α-pregna-4-ene-7α-[4-(t-butyldimethylsilyloxy)-benzylthia]-21,17-carbolactone
245076-30-6

3-oxo-17α-pregna-4-ene-7α-[4-(t-butyldimethylsilyloxy)-benzylthia]-21,17-carbolactone

Conditions
ConditionsYield
With sodium at 45℃; for 0.75h; Addition;91%
canrenone
976-71-6

canrenone

11α-hydroxyl canrenone
192569-17-8

11α-hydroxyl canrenone

Conditions
ConditionsYield
With D-glucose; peptone In water90%
With D-glucose In water for 72h;80%
With D-glucose In water for 72h;80%
N,N-dimethyl(methylene)ammonium chloride
30354-18-8

N,N-dimethyl(methylene)ammonium chloride

canrenone
976-71-6

canrenone

2α-Dimethylaminomethyl-3-oxo-17α-pregna-4,6-dien-21,17-carbolacton-hydrochlorid

2α-Dimethylaminomethyl-3-oxo-17α-pregna-4,6-dien-21,17-carbolacton-hydrochlorid

Conditions
ConditionsYield
In acetonitrile for 24h; Ambient temperature;86%
canrenone
976-71-6

canrenone

[4-(2-piperidin-1-yl-ethoxy)-phenyl]-methanethiol
245076-36-2

[4-(2-piperidin-1-yl-ethoxy)-phenyl]-methanethiol

3-oxo-17α-pregna-4-ene-7α-{4-[2-(1-piperidinyl)-ethoxy]benzylthia}-21,17-carbolactone

3-oxo-17α-pregna-4-ene-7α-{4-[2-(1-piperidinyl)-ethoxy]benzylthia}-21,17-carbolactone

Conditions
ConditionsYield
With sodium at 45℃; for 1h; Addition;82%
canrenone
976-71-6

canrenone

9α,17-dihydroxy-3-oxo-17α-pregna-4,6-diene-21-carboxylic acid γ-lactone

9α,17-dihydroxy-3-oxo-17α-pregna-4,6-diene-21-carboxylic acid γ-lactone

Conditions
ConditionsYield
With Nocardia farcinica NCAIM (P)-B 001342 9α-hydroxylase; 13-ethyl-10,11α-dihydroxy-4-gonene-3,17-dione In methanol; water; N,N-dimethyl-formamide at 30℃; for 16h; Enzymatic reaction;82%
With dipotassium hydrogenphosphate; D-glucose; sodium chloride In methanol; water at 26℃; for 5 - 48h; Conversion of starting material;
With dipotassium hydrogenphosphate; D-glucose; sodium chloride In methanol; water at 26℃; for 5 - 48h; Conversion of starting material;
canrenone
976-71-6

canrenone

thioacetic acid
507-09-5

thioacetic acid

SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

Conditions
ConditionsYield
Stage #1: tiolacetic acid With trifluoromethylsulfonic anhydride In tetrahydrofuran
Stage #2: canrenone In tetrahydrofuran at 20℃; for 1h;
76%
With trimethylsilyl trifluoromethanesulfonate In tetrahydrofuran at 20℃; for 3h;60%
In water at 20℃; for 2h; Michael addition;
canrenone
976-71-6

canrenone

phenylmethanethiol
100-53-8

phenylmethanethiol

3-oxo-17α-pregna-4-ene-7α-(benzylthia)-21,17-carbolactone

3-oxo-17α-pregna-4-ene-7α-(benzylthia)-21,17-carbolactone

Conditions
ConditionsYield
With sodium at 60℃; for 24h; Addition;74%
canrenone
976-71-6

canrenone

allyl-trimethyl-silane
762-72-1

allyl-trimethyl-silane

A

C25H34O3
76685-44-4

C25H34O3

B

C28H42O3Si
116506-59-3

C28H42O3Si

Conditions
ConditionsYield
titanium tetrachloride In dichloromethane at -70℃;A 73%
B 15%
1-thiopropane
107-03-9

1-thiopropane

canrenone
976-71-6

canrenone

3-oxo-17α-pregna-4-ene-7α-(propylthia)-21,17-carbolactone

3-oxo-17α-pregna-4-ene-7α-(propylthia)-21,17-carbolactone

Conditions
ConditionsYield
With sodium at 60℃; for 24h; Addition;72%
acetic anhydride
108-24-7

acetic anhydride

canrenone
976-71-6

canrenone

acetyl chloride
75-36-5

acetyl chloride

3-Acetoxy-17α-pregna-3,5,7-trien-21,17-carbolacton

3-Acetoxy-17α-pregna-3,5,7-trien-21,17-carbolacton

Conditions
ConditionsYield
With pyridine for 24h; Heating;70%
2-methylfuran
534-22-5

2-methylfuran

canrenone
976-71-6

canrenone

A

17β-hydroxy-7α-(5'-methyl-2'-furyl)-3-oxo-pregn-4-ene-21-carboxylic acid γ-lactone

17β-hydroxy-7α-(5'-methyl-2'-furyl)-3-oxo-pregn-4-ene-21-carboxylic acid γ-lactone

B

17β-hydroxy-7β-(5'-methyl-2'-furyl)-3-oxo-pregn-4-ene-21-carboxylic acid γ-lactone

17β-hydroxy-7β-(5'-methyl-2'-furyl)-3-oxo-pregn-4-ene-21-carboxylic acid γ-lactone

Conditions
ConditionsYield
With ethanol; boron trifluoride diethyl etherate In nitromethane at -19℃; for 17h;A 69.5%
B 19.8%
canrenone
976-71-6

canrenone

2α,6β,7α-Tribrom-3-oxo-17α-pregn-4-en-21,17-carbolacton

2α,6β,7α-Tribrom-3-oxo-17α-pregn-4-en-21,17-carbolacton

Conditions
ConditionsYield
With pyridinium hydrobromide perbromide In acetic acid for 1.5h; Ambient temperature;69%
methylthiol
74-93-1

methylthiol

canrenone
976-71-6

canrenone

7-Thiomethylspirolactone
38753-77-4

7-Thiomethylspirolactone

Conditions
ConditionsYield
With piperidine at 10℃;69%
With piperidine In methanol at 20℃; for 20h;
canrenone
976-71-6

canrenone

thioacetic acid
507-09-5

thioacetic acid

A

β-spironolactone
33784-05-3

β-spironolactone

B

SPIRONOLACTONE
52-01-7

SPIRONOLACTONE

Conditions
ConditionsYield
With trimethylsilyl trifluoromethanesulfonate In tetrahydrofuran for 1h; Ambient temperature; Yields of byproduct given;A n/a
B 64%
With trimethylsilyl trifluoromethanesulfonate In tetrahydrofuran for 1h; Ambient temperature; Yield given;A n/a
B 64%
Hexanethiol
111-31-9

Hexanethiol

canrenone
976-71-6

canrenone

3-oxo-17α-pregna-4-ene-7α-(hexylthia)-21,17-carbolactone

3-oxo-17α-pregna-4-ene-7α-(hexylthia)-21,17-carbolactone

Conditions
ConditionsYield
With sodium at 60℃; for 24h; Addition;62%
canrenone
976-71-6

canrenone

thiophenol
108-98-5

thiophenol

3-oxo-17α-pregna-4-ene-7α-(phenylthia)-21,17-carbolactone

3-oxo-17α-pregna-4-ene-7α-(phenylthia)-21,17-carbolactone

Conditions
ConditionsYield
With sodium at 60℃; for 24h; Addition;59%
canrenone
976-71-6

canrenone

ethanethiol
75-08-1

ethanethiol

17-hydroxy-7α-thioethyl-3-oxo-4-androstene-17α-pr0pi0nic acid, γ-lactone

17-hydroxy-7α-thioethyl-3-oxo-4-androstene-17α-pr0pi0nic acid, γ-lactone

Conditions
ConditionsYield
With sodium at 60℃; for 24h; Addition;59%
1-hexene
592-41-6

1-hexene

canrenone
976-71-6

canrenone

A

(+)-7α-hexyl-17-hydroxy-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactone
1430412-93-3

(+)-7α-hexyl-17-hydroxy-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactone

B

(+)-7β-hexyl-17-hydroxy-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactone
1430412-96-6

(+)-7β-hexyl-17-hydroxy-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactone

Conditions
ConditionsYield
Stage #1: 1-hexene With Schwartz's reagent In dichloromethane at 20℃; for 0.666667h; Inert atmosphere; Schlenk technique;
Stage #2: canrenone With chloro-trimethyl-silane; copper(I) trifluoromethanesulfonate benzene In diethyl ether; dichloromethane at 20℃; for 15h; Inert atmosphere; Schlenk technique; diastereoselective reaction;
A 59%
B 21%
Stage #1: 1-hexene With Schwartz's reagent In dichloromethane at 20℃; for 0.666667h; Inert atmosphere;
Stage #2: With C36H30CuNO2P(1+)*CF3O3S(1-) In diethyl ether; dichloromethane at 20℃; for 0.166667h; Inert atmosphere;
Stage #3: canrenone With chloro-trimethyl-silane In diethyl ether; dichloromethane at 20℃; for 15h; Inert atmosphere;
A 59%
B 21%
canrenone
976-71-6

canrenone

γ-lactone of 17α-pregna-4,6-diene-3β,17β-diol-20-carboxylic acid
67605-87-2

γ-lactone of 17α-pregna-4,6-diene-3β,17β-diol-20-carboxylic acid

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol56%
canrenone
976-71-6

canrenone

6α,7α-Epoxycanrenone

6α,7α-Epoxycanrenone

Conditions
ConditionsYield
With 2,6-di-tert-butyl-4-methyl-phenol; 3-chloro-benzenecarboperoxoic acid In chloroform for 1.66667h; Heating;53%

Canrenone Specification

The CAS registry number of Canrenone is 976-71-6. The IUPAC name is (8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione. Its EINECS registry number is 213-554-5. In addition, the molecular formula is C22H28O3 and the molecular weight is 340.46. It is a kind of pale yellow to pale green solid and belongs to the classes of Spironolacrone; Intermediates & Fine Chemicals; Pharmaceuticals; Steroids. And it is a synthetic pregnadiene compound with anti-aldosterone activity.

Physical properties about this chemical are: (1)ACD/LogP: 2.99; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.99; (4)ACD/LogD (pH 7.4): 2.99; (5)ACD/BCF (pH 5.5): 110.05; (6)ACD/BCF (pH 7.4): 110.05; (7)ACD/KOC (pH 5.5): 1006.86; (8)ACD/KOC (pH 7.4): 1006.86; (9)#H bond acceptors: 3; (10)Polar Surface Area: 43.37 Å2; (11)Index of Refraction: 1.581; (12)Molar Refractivity: 95.22 cm3; (13)Molar Volume: 285.5 cm3; (14)Polarizability: 37.75 ×10-24cm3; (15)Surface Tension: 47.2 dyne/cm; (16)Density: 1.19 g/cm3; (17)Flash Point: 237.6 °C; (18)Enthalpy of Vaporization: 81.89 kJ/mol; (19)Boiling Point: 541.1 °C at 760 mmHg; (20)Vapour Pressure: 8.95E-12 mmHg at 25°C.

Preparation of Canrenone: it can be prepared by potassium canrenoate. This reaction will need reagent NH2SO4 and solvent methanol. The reaction time is 5 minutes by heating. The yield is about 92%.

Canrenone can be prepared by potassium canrenoate

Uses of Canrenone: it can be used to get 6a,7a-Epoxycanrenone. This reaction will need reagents m-chloroperbenzoic acid and 2,6-di-t-butyl-4-methylphenol and solvent CHCl3. The reaction time is 100 minutes by heating. The yield is about 53%.

Canrenone can be used to get 6a,7a-Epoxycanrenone

You can still convert the following datas into molecular structure:
(1)SMILES: O=C5\C=C4\C=C/[C@@H]1[C@H](CC[C@]3([C@H]1CC[C@]32OC(=O)CC2)C)[C@@]4(C)CC5
(2)InChI: InChI=1/C22H28O3/c1-20-9-5-15(23)13-14(20)3-4-16-17(20)6-10-21(2)18(16)7-11-22(21)12-8-19(24)25-22/h3-4,13,16-18H,5-12H2,1-2H3/t16-,17+,18+,20+,21+,22-/m1/s1
(3)InChIKey: UJVLDDZCTMKXJK-WNHSNXHDBD

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral > 5gm/kg (5000mg/kg)   Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 36, 1990.

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