(1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

Base Information

Chemical Name:(1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid
CAS No.:1616704-95-0
Molecular Formula:C₅₂H₇₅N₃O₆
Molecular Weight:838.184
Hs Code.:

(1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

Synonyms:(1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

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Chemical Property of (1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

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Technology Process of (1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

There total 11 articles about (1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid 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: 74.0%

: 1616705-58-8
1-benzyl 3-((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) (1R,3S)-2,2-dimethylcyclobutane-1,3-dicarboxylate

: 1616704-95-0
(1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

Guidance literature:: With palladium 10% on activated carbon; hydrogen; In methanol; ethyl acetate; Inert atmosphere;

Reference yield:

: 59837-68-2
Acetyl-dihydrobetulinsaeurechlorid

: 1616704-95-0
(1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

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

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

3: dmap; dicyclohexyl-carbodiimide / dichloromethane / 12 h / 0 - 20 °C

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

With dmap; palladium 10% on activated carbon; water; hydrogen; triethylamine; dicyclohexyl-carbodiimide; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane; ethyl acetate;

Reference yield:

: 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

: 1616704-95-0
(1R,3S)-3-((((1S,3aS,5aR,5bR,7aR,9S,1aR,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)oxy)carbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

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

2: dmap; dicyclohexyl-carbodiimide / dichloromethane / 12 h / 0 - 20 °C

3: palladium 10% on activated carbon; hydrogen / methanol; ethyl acetate / Inert atmosphere

With dmap; palladium 10% on activated carbon; water; hydrogen; dicyclohexyl-carbodiimide; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane; ethyl acetate;