Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester

Base Information

• Chemical Name: Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester
• CAS No.: 852720-20-8
• Molecular Formula: C₄₀H₅₆O₆
• Molecular Weight: 632.881

Synonyms:Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester

Chemical Property of Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester

Chemical Property:

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Technology Process of Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester

There total 1 articles about Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester 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: 80.0%

phthalic anhydride (85-44-9) + 28-acetoxybetulin (27686-35-7) → Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester (852720-20-8)

Guidance literature:

With pyridine; dmap; for 30h; Heating;

DOI:10.1016/j.bmc.2005.03.006

Reference yield: 100.0%

diazomethane (186581-53-3,908094-01-9,334-88-3) + Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester (852720-20-8) → Phthalic acid 1-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester 2-methyl ester

Guidance literature:

In diethyl ether; chloroform; for 0.5h;

DOI:10.1016/j.bmc.2005.03.006

Reference yield: 100.0%

Diazoethan (1117-96-0) + Phthalic acid mono-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester (852720-20-8) → Phthalic acid 1-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-acetoxymethyl-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysen-9-yl) ester 2-ethyl ester

Guidance literature:

In diethyl ether; chloroform; for 0.5h;

DOI:10.1016/j.bmc.2005.03.006

upstream raw materials:

phthalic anhydride

28-acetoxybetulin

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