3,3-dimethyl-5-oxo-5-((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)pentanoic acid

Base Information

Chemical Name:3,3-dimethyl-5-oxo-5-((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)pentanoic acid
CAS No.:1616704-76-7
Molecular Formula:C₅₀H₇₁N₃O₅
Molecular Weight:794.131
Hs Code.:

3,3-dimethyl-5-oxo-5-((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)pentanoic acid

Synonyms:3,3-dimethyl-5-oxo-5-((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)pentanoic acid

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Chemical Property of 3,3-dimethyl-5-oxo-5-((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)pentanoic acid

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Technology Process of 3,3-dimethyl-5-oxo-5-((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)pentanoic acid

There total 9 articles about 3,3-dimethyl-5-oxo-5-((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)pentanoic 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:

: 4160-82-1
3,3-dimethylglutaric 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

: 1616704-76-7
3,3-dimethyl-5-oxo-5-((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)pentanoic acid

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

Reference yield:

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

: 1616704-76-7
3,3-dimethyl-5-oxo-5-((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)pentanoic 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 / pyridine / 24 h / Reflux

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

Reference yield:

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

: 1616704-76-7
3,3-dimethyl-5-oxo-5-((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)pentanoic 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 / pyridine / 24 h / Reflux

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