5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid

Base Information

Chemical Name:5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid
CAS No.:1261253-56-8
Molecular Formula:C₅₅H₈₄N₂O₅
Molecular Weight:853.282
Hs Code.:

5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid

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Chemical Property of 5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid

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Technology Process of 5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid

There total 6 articles about 5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic 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

: 1261253-06-8
(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-N-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentyl)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysene-3a-carboxamide

: 1261253-56-8
5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid

Guidance literature:: With pyridine; dmap; for 16h; Reflux;

Reference yield:

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

: 1261253-56-8
5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid

Guidance literature:: Multi-step reaction with 4 steps

1: oxalyl dichloride / dichloromethane / 2 h / 0 - 20 °C

2: triethylamine / dichloromethane / 8 h / 20 °C

3: sodium hydroxide; water / water; tetrahydrofuran / 6 h / 0 - 20 °C

4: dmap; pyridine / 16 h / Reflux

With pyridine; dmap; oxalyl dichloride; water; triethylamine; sodium hydroxide; In tetrahydrofuran; dichloromethane; water;

Reference yield:

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

: 1261253-56-8
5-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-((1R,3S)-3-((4-benzylpiperidin-1-yl)methyl)cyclopentylcarbamoyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysen-9-yloxy)-3,3-dimethyl-5-oxopentanoic acid

Guidance literature:: Multi-step reaction with 3 steps

1: triethylamine / dichloromethane / 8 h / 20 °C

2: sodium hydroxide; water / water; tetrahydrofuran / 6 h / 0 - 20 °C

3: dmap; pyridine / 16 h / Reflux

With pyridine; dmap; water; triethylamine; sodium hydroxide; In tetrahydrofuran; dichloromethane; water;