3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene

Base Information

• Chemical Name: 3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene
• CAS No.: 849241-78-7
• Molecular Formula: C₃₇H₄₅FO₃
• Molecular Weight: 556.761
• Mol file: 849241-78-7.mol

Synonyms:3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene

Chemical Property of 3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene

There total 3 articles about 3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene 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: 42.0%

3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate (849241-75-4) + 2-fluoroethanol (371-62-0) → 3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene (849241-78-7)

Guidance literature:

2-fluoroethanol; With 18-crown-6 ether; potassium hydride; In toluene; at 20 ℃; for 0.166667h;

3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate; In toluene; at 80 ℃; for 2h;

DOI:10.1021/jm049352x

Reference yield:

3,17β-dibenzyloxy-11β-(3'-hydroxypropyl)estra-1,3,5(10)-triene (147250-16-6) → 3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene (849241-78-7)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 42 percent / pyridine / 144 h / 4 °C

2.1: KH; 18-crown-6 / toluene / 0.17 h / 20 °C

2.2: 42 percent / toluene / 2 h / 80 °C

With pyridine; 18-crown-6 ether; potassium hydride; In toluene;

DOI:10.1021/jm049352x

Reference yield:

3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate (849241-75-4) → 3,17β-dibenzyloxy-11β-(3-(2-fluoroethoxy)propyl)estra-1,3,5(10)-triene (849241-78-7)

Guidance literature:

upstream raw materials:

3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate

2-fluoroethanol

3,17β-dibenzyloxy-11β-(3'-hydroxypropyl)estra-1,3,5(10)-triene