(1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

Base Information

Chemical Name:(1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone
CAS No.:1213705-92-0
Molecular Formula:C₄₀H₅₁NO₇
Molecular Weight:657.847
Hs Code.:

(1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

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Suppliers and Price of (1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

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Technology Process of (1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

There total 4 articles about (1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone 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: 74.0%

: (4R,4aR,4bR,6aR,7R,8R,10aR,10bR,12aR)-hexadecahydro-8-{2-{[(4-methoxyphenyl)methyl]amino}-1,1-dimethyl-2-oxoethyl}-3,3,7,10a,10b-pentamethyl-13-oxo-1H-4,12a-(epoxymethano)chrysene-7-acetic acid

: 1213705-92-0
(1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

Guidance literature:: With oxalyl dichloride; In tetrahydrofuran;
DOI:10.1002/hlca.201200492

Reference yield:

: 2,3-seco-19β,28-epoxy-28-oxo-18α-olean-2,3-dicarboxylic anhydride

: 1213705-92-0
(1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine / methanol / 20 °C

2: oxalyl dichloride / tetrahydrofuran

With oxalyl dichloride; triethylamine; In tetrahydrofuran; methanol;
DOI:10.1002/hlca.201200492

Reference yield:

: 1242610-62-3
2,3-seco-28-oxo-19β,28-epoxy-18α-olean-2,3-dicarboxylic acid

: 1213705-92-0
(1S,3aR,5aR,5bR,7aR,11R,11aR,11bR,13aS,13bR)-octadecahydro-1'-[(4-methoxyphenyl)methyl]-3,3,5a,5b,10,10,13b-heptamethylspiro[11,7a-(epoxymethano)-7aH-cyclopenta[a]chrysene-1(2H),3'-pyrrolidine]-2,2',4',5',15-pentone

Guidance literature:: Multi-step reaction with 3 steps

1: N,N-dimethyl-formamide / dichloromethane / 96 h

2: triethylamine / methanol / 20 °C

3: oxalyl dichloride / tetrahydrofuran

With oxalyl dichloride; triethylamine; N,N-dimethyl-formamide; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1002/hlca.201200492