Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> (1S,3aS,3bS,5aR,9aR,9bS)-N-tert-butyl-9a-methyl-7-oxo-2,3,3a,3b,4,5,5a,6,9b,10,11,11a-dodecahydro-1H-indeno[5,4-f]quinoline-1-carboxamide

(1S,3aS,3bS,5aR,9aR,9bS)-N-tert-butyl-9a-methyl-7-oxo-2,3,3a,3b,4,5,5a,6,9b,10,11,11a-dodecahydro-1H-indeno[5,4-f]quinoline-1-carboxamide

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Origin: China

Cas No: 166896-74-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 166896-74-8 Formula: C23H36N2O2 Molecular Weight: 372.54400

Basic Info

Chemical Name	(1S,3aS,3bS,5aR,9aR,9bS)-N-tert-butyl-9a-methyl-7-oxo-2,3,3a,3b,4,5,5a,6,9b,10,11,11a-dodecahydro-1H-indeno[5,4-f]quinoline-1-carboxamide
Synonyms	17b-(tert-Butylcarbamoyl)-4-aza-5a-androsten-3-one;
CAS No.	166896-74-8
Molecular Formula	C23H36N2O2
Molecular Weight	372.54400
PSA	58.20000
LogP	4.88340

Properties

Density	1.1
Boiling Point	588.477ºC at 760 mmHg
Melting Point	289-293ºC
Flash Point	182.971ºC
Refractive Index	1.523

Synthesis Route

17β-(N-tert-butyl)-carbamoyl-5-oxo-A-nor-3,5-secoandrostane-3-oic acid→(1S,3aS,3bS,5aR,9aR,9bS)-N-tert-butyl-9a-methyl-7-oxo-2,3,3a,3b,4,5,5a,6,9b,10,11,11a-dodecahydro-1H-indeno[5,4-f]quinoline-1-carboxamide
Testosterone 17β-Carboxylic Acid→(1S,3aS,3bS,5aR,9aR,9bS)-N-tert-butyl-9a-methyl-7-oxo-2,3,3a,3b,4,5,5a,6,9b,10,11,11a-dodecahydro-1H-indeno[5,4-f]quinoline-1-carboxamide
N-tert-butyl-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-17-carboxamide→(1S,3aS,3bS,5aR,9aR,9bS)-N-tert-butyl-9a-methyl-7-oxo-2,3,3a,3b,4,5,5a,6,9b,10,11,11a-dodecahydro-1H-indeno[5,4-f]quinoline-1-carboxamide

Precursor

Testosterone 17β-Carboxylic Acid
N-tert-butyl-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-17-carboxamide
3-oxoandrost-4-ene-17β-carboxylic acid chloride
17β-(N-tert-butyl)-carbamoyl-5-oxo-A-nor-3,5-secoandrostane-3-oic acid

Downstream Product

finasteride
Dihydro Finasteride

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