(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione

Modify Date: 2025-08-26 10:30:43

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure
(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione structure
 Common Name (8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione
CAS Number 3811-03-8 Molecular Weight 340.45600
Density 1.19g/cm3 Boiling Point 526.3ºC at 760 mmHg
Molecular Formula C22H28O3 Melting Point N/A
MSDS N/A Flash Point 230.9ºC

 Names

Name (8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione

 Chemical & Physical Properties

Density 1.19g/cm3
Boiling Point 526.3ºC at 760 mmHg
Molecular Formula C22H28O3
Molecular Weight 340.45600
Flash Point 230.9ºC
Exact Mass 340.20400
PSA 43.37000
LogP 4.37010
Index of Refraction 1.581

 Synthetic Route

3-oxopregn-4-ene-21,17alpha-carbolactone structure

3-oxopregn-4-en...

CAS#:976-70-5

~84%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Barton, Derek H. R.; Hui, Raymond A. H. F.; Ley, Steven V.; Williams, David J. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1982 , # 8 p. 1919 - 1922
4-Androstene-3,17-dione 3-ethylene dithioacetal structure

4-Androstene-3,...

CAS#:63910-90-7

~%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Sam; Auger; Luu-The; Poirier Journal of Medicinal Chemistry, 1995 , vol. 38, # 22 p. 4518 - 4528
3,3-(ethylenedithio)spiro[4-androstene-17,2'-oxirane] structure

3,3-(ethylenedi...

CAS#:169306-23-4

~%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Sam; Auger; Luu-The; Poirier Journal of Medicinal Chemistry, 1995 , vol. 38, # 22 p. 4518 - 4528
N/A structure

N/A

CAS#:169306-24-5

~%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Sam; Auger; Luu-The; Poirier Journal of Medicinal Chemistry, 1995 , vol. 38, # 22 p. 4518 - 4528
3,3-(ethylenedithio)-17α-pregn-4-ene 21,17-carbolactone structure

3,3-(ethylenedi...

CAS#:169306-25-6

~%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Sam; Auger; Luu-The; Poirier Journal of Medicinal Chemistry, 1995 , vol. 38, # 22 p. 4518 - 4528
3,3-(ethylenedioxy)-17β-hydroxy-17α-(3'-(propylenedioxy)propyl)-5-androstene structure

3,3-(ethylenedi...

CAS#:169306-22-3

~%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Sam; Auger; Luu-The; Poirier Journal of Medicinal Chemistry, 1995 , vol. 38, # 22 p. 4518 - 4528
3,3-(ethylenedioxy)-5-androsten-17β-ol structure

3,3-(ethylenedi...

CAS#:975-57-5

~%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Sam; Auger; Luu-The; Poirier Journal of Medicinal Chemistry, 1995 , vol. 38, # 22 p. 4518 - 4528
androst-5-ene-17-one-3-ethylene ketal structure

androst-5-ene-1...

CAS#:3754-63-0

~%

(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione Structure

(8R,9S,10R,13S,...

CAS#:3811-03-8

Literature: Sam; Auger; Luu-The; Poirier Journal of Medicinal Chemistry, 1995 , vol. 38, # 22 p. 4518 - 4528
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Chemsrc provides CAS#:3811-03-8 MSDS, density, melting point, boiling point, structure, etc. Its name is (8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione>> amp version: (8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione

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