2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

Base Information

Chemical Name:2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid
CAS No.:1616704-75-6
Molecular Formula:C₄₉H₆₉N₃O₅
Molecular Weight:780.104
Hs Code.:

2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

Synonyms:2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

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Chemical Property of 2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

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Technology Process of 2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

There total 9 articles about 2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic 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:

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

: 1616705-25-9
((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-3a-yl)((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidin-1-yl)methanone

: 1616704-75-6
2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

Guidance literature:: With dmap; In toluene; for 24h; Reflux;

Reference yield:

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

: 1616704-75-6
2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

Guidance literature:: Multi-step reaction with 4 steps

1: oxalyl dichloride / dichloromethane / 3 h / 0 - 20 °C

2: dichloromethane / 16 h / 0 - 20 °C

3: methanol; potassium carbonate / 16 h / 0 - 20 °C

4: dmap / toluene / 24 h / Reflux

With methanol; dmap; oxalyl dichloride; potassium carbonate; In dichloromethane; toluene;

Reference yield:

: 59868-82-5
3-O-acetylbetulinic acid chloride

: 1616704-75-6
2,2-dimethyl-4-oxo-4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((S)-2-(5-phenyl-1H-imidazol-2-yl)pyrrolidine-1-carbonyl)-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)butanoic acid

Guidance literature:: Multi-step reaction with 3 steps

1: dichloromethane / 16 h / 0 - 20 °C

2: methanol; potassium carbonate / 16 h / 0 - 20 °C

3: dmap / toluene / 24 h / Reflux

With methanol; dmap; potassium carbonate; In dichloromethane; toluene;