((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

Base Information

Chemical Name:((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone
CAS No.:1616705-51-1
Molecular Formula:C₄₃H₆₃N₃O₂
Molecular Weight:653.992
Hs Code.:

((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

Synonyms:((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

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Chemical Property of ((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

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Technology Process of ((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

There total 9 articles about ((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 75.0%

: 1616705-50-0
(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)icosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

: 1616705-51-1
((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

Guidance literature:: With water; sodium hydroxide; In tetrahydrofuran; methanol; at 0 - 20 ℃; for 12h;

Reference yield:

: 59837-68-2
Acetyl-dihydrobetulinsaeurechlorid

: 1616705-51-1
((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine / dichloromethane / 16 h / 0 - 20 °C

2: sodium hydroxide; water / methanol; tetrahydrofuran / 12 h / 0 - 20 °C

With water; triethylamine; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane;

Reference yield:

: 25488-54-4
(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-acetoxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylic acid

: 1616705-51-1
((1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

Guidance literature:: Multi-step reaction with 3 steps

1: N,N-dimethyl-formamide; oxalyl dichloride / dichloromethane / 3 h / 0 - 20 °C

2: triethylamine / dichloromethane / 16 h / 0 - 20 °C

3: sodium hydroxide; water / methanol; tetrahydrofuran / 12 h / 0 - 20 °C

With oxalyl dichloride; water; triethylamine; N,N-dimethyl-formamide; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane;