benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

Base Information

Chemical Name:benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate
CAS No.:216260-05-8
Molecular Formula:C₃₆H₅₀O₃
Molecular Weight:530.791
Hs Code.:

benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

Synonyms:benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

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Chemical Property of benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

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Technology Process of benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

There total 8 articles about benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate 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: 70.5%

: 216260-04-7
3-oxo-ceanothic acid dibenzyl ester

: 216260-05-8
benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

Guidance literature:: With potassium hydroxide; In ethanol; for 3h; Heating;
DOI:10.1021/np9800856

Reference yield:

: benzyl (3R,4R,5R,8R,9R,10R,13S,14R,15R)-3-(1-methoxy-2-methyl-1-oxopropan-2-yl)-4-(2-methoxy-2-oxoethyl)-4,9,10-trimethyl-15-(prop-1-en-2-yl)hexadecahydro-13H-cyclopenta[a]phenanthrene-13-carboxylate

: 216260-05-8
benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

Guidance literature:: With potassium hydroxide; In methanol; for 16h; Reflux; Inert atmosphere;

Reference yield:

: 2739-72-2,32722-50-2,21302-79-4
ceanothic acid

: 216260-05-8
benzyl (1R,3aS,5aR,5bR,7aR,10aR,10bR,12aR,12bR)-5a,5b,8,8,10a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)octadecahydrodicyclopenta[a,i]phenanthrene-3a(1H)-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 19.00 g / K₂CO₃ / methanol / 24 h / Heating

2: 80.2 percent / PCC / CH₂Cl₂ / 2 h / Ambient temperature

3: 70.5 percent / KOH / ethanol / 3 h / Heating

With potassium hydroxide; potassium carbonate; pyridinium chlorochromate; In methanol; ethanol; dichloromethane;
DOI:10.1021/np9800856