(2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol

Base Information

• Chemical Name: (2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol
• CAS No.: 303998-60-9
• Molecular Formula: C₃₆H₅₂O₃Si₂
• Molecular Weight: 588.978
• Mol file: 303998-60-9.mol

Synonyms:(2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol

Chemical Property of (2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol

There total 1 articles about (2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol 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: 90.0%

(2R,4bR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-2,3,4a,4b,5,6,12,12a-octahydro-1H-chrysen-4-one → (2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol (303998-60-9)

Guidance literature:

With lithium aluminium tetrahydride; In diethyl ether; at -78 ℃; for 0.5h;

DOI:10.1021/ja0024892

Reference yield: 98.0%

(2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol (303998-60-9) → (2R,4aS,4bS,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-2,3,4a,4b,5,6,12,12a-octahydro-1H-chrysen-4-one (303998-21-2)

Guidance literature:

With Dess-Martin periodane; In dichloromethane; at 25 ℃; for 0.333333h;

DOI:10.1021/ja0024892

Reference yield: 92.0%

Benzyloxymethyl chloride (3587-60-8) + (2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol (303998-60-9) → (2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene (303998-23-4)

Guidance literature:

With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 23 ℃; for 46h;

DOI:10.1021/ja0024892

Downstream raw materials:

(2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

(2R,4aS,4bS,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-2,3,4a,4b,5,6,12,12a-octahydro-1H-chrysen-4-one

NIC-10

nicandrenone