(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

Base Information

Chemical Name:(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate
CAS No.:1616705-56-6
Molecular Formula:C₄₆H₆₇N₃O₄
Molecular Weight:726.056
Hs Code.:

(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

Synonyms:(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

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Chemical Property of (1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

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Technology Process of (1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

There total 7 articles about (1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate 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: 76.0%

: 1426938-45-5
(S)-5-(4-methoxyphenyl)-2-(pyrrolidin-2-yl)-1H-imidazole

: 59837-68-2
Acetyl-dihydrobetulinsaeurechlorid

: 1616705-56-6
(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

Guidance literature:: With triethylamine; In dichloromethane; at 0 - 20 ℃; for 14h;

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

: 1616705-56-6
(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

Guidance literature:: Multi-step reaction with 2 steps

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

2: triethylamine / dichloromethane / 14 h / 0 - 20 °C

With oxalyl dichloride; triethylamine; N,N-dimethyl-formamide; In dichloromethane;

Reference yield:

: 10376-50-8,38736-81-1
3-O-acetylbetulinic acid

: 1616705-56-6
(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropyl-3a-((S)-2-(5-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-yl acetate

Guidance literature:: Multi-step reaction with 3 steps

1: palladium 10% on activated carbon; hydrogen / ethyl acetate / 4 h / Inert atmosphere

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

3: triethylamine / dichloromethane / 14 h / 0 - 20 °C

With oxalyl dichloride; palladium 10% on activated carbon; hydrogen; triethylamine; N,N-dimethyl-formamide; In dichloromethane; ethyl acetate;