3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

Base Information

Chemical Name:3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid
CAS No.:1350915-21-7
Molecular Formula:C₄₆H₆₀O₄
Molecular Weight:676.98
Hs Code.:

3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

Synonyms:3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

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Chemical Property of 3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

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Technology Process of 3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

There total 4 articles about 3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic 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: 55.0%

: 1350915-20-6
(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-benzyl 5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-9-(((trifluoromethyl)sulfonyl)oxy)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-3a-carboxylate

: 166316-48-9
4-(2-carboxyethyl)benzeneboronic acid

: 1350915-21-7
3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

Guidance literature:: (1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-benzyl 5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-9-(((trifluoromethyl)sulfonyl)oxy)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-3a-carboxylate; 4-(2-carboxyethyl)benzeneboronic acid; With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,2-dimethoxyethane; water; at 100 ℃; for 1.5h; Inert atmosphere;

With hydrogenchloride; In 1,2-dimethoxyethane; water; at 20 ℃; pH=4 - 5;

Reference yield:

: 100-39-0
benzyl bromide

: 1350915-21-7
3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

Guidance literature:: Multi-step reaction with 4 steps

1.1: potassium carbonate / N,N-dimethyl-formamide / 3.5 h / 60 °C / Inert atmosphere

2.1: pyridinium chlorochromate / dichloromethane / 5.5 h / Inert atmosphere

3.1: potassium hexamethylsilazane / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

4.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,2-dimethoxyethane; water / 1.5 h / 100 °C / Inert atmosphere

4.2: 20 °C / pH 4 - 5

With potassium hexamethylsilazane; sodium carbonate; potassium carbonate; pyridinium chlorochromate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; water; N,N-dimethyl-formamide; 4.1: Suzuki Coupling;

Reference yield:

: 192211-42-0
benzyl (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-3aH-cyclopenta[a]chrysene-3a-carboxylate

: 1350915-21-7
3-(4-((1R,3aS,5aR,5bR,7aR,11aS,13aR,13bR)-3a-(benzyloxycarbonyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)phenyl)propanoic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: pyridinium chlorochromate / dichloromethane / 5.5 h / Inert atmosphere

2.1: potassium hexamethylsilazane / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

3.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,2-dimethoxyethane; water / 1.5 h / 100 °C / Inert atmosphere

3.2: 20 °C / pH 4 - 5

With potassium hexamethylsilazane; sodium carbonate; pyridinium chlorochromate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; water; 3.1: Suzuki Coupling;