4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

Base Information

Chemical Name:4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid
CAS No.:1616704-96-1
Molecular Formula:C₅₀H₇₃N₃O₆
Molecular Weight:812.146
Hs Code.:

4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

Synonyms:4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

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Chemical Property of 4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

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Technology Process of 4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

There total 10 articles about 4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic 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: 26.0%

: 17347-61-4
2,2-dimethylsuccinic anhydride

: 1616705-57-7
((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-(4-methoxyphenyl)-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

: 1616704-96-1
4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

Guidance literature:: With dmap; In toluene; at 90 ℃; for 12h;

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

: 1616704-96-1
4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

Guidance literature:: Multi-step reaction with 4 steps

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

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

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

4: dmap / toluene / 12 h / 90 °C

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

Reference yield:

: 59837-68-2
Acetyl-dihydrobetulinsaeurechlorid

: 1616704-96-1
4-(((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)oxy)-2,2-dimethyl-4-oxobutanoic acid

Guidance literature:: Multi-step reaction with 3 steps

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

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

3: dmap / toluene / 12 h / 90 °C

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