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

Base Information

• Chemical Name: 3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate
• CAS No.: 849241-75-4
• Molecular Formula: C₄₂H₄₈O₅S
• Molecular Weight: 664.906
• Mol file: 849241-75-4.mol

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

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

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

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

There total 5 articles about 3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate 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%

p-toluenesulfonyl chloride (98-59-9) + 3,17β-dibenzyloxy-11β-(3'-hydroxypropyl)estra-1,3,5(10)-triene (147250-16-6) → 3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate (849241-75-4)

Guidance literature:

With pyridine; at 4 ℃; for 144h;

DOI:10.1021/jm049352x

Reference yield:

11β-allyl-3,17β-dibenzyloxyestra-1,3,5(10)-triene (534572-62-8) → 3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate (849241-75-4)

Guidance literature:

Multi-step reaction with 2 steps

1: lithium borohydride; benzo[1,3,2]dioxaborole / tetrahydrofuran

2: pyridine / 0 °C

With pyridine; lithium borohydride; benzo[1,3,2]dioxaborole; In tetrahydrofuran;

DOI:10.1016/j.cclet.2014.01.015

Reference yield:

11α-allyl-3,17β-dibenzyloxyestra-1,3,5(10)-triene-11β-ol (342898-65-1) → 3-(3,17β-dibenzyloxyestra-1,3,5(10)-trien-11β-yl)propyl toluenesulfonate (849241-75-4)

Guidance literature:

Multi-step reaction with 3 steps

1: triethylsilane; boron trifluoride diethyl etherate / 0 °C

2: lithium borohydride; benzo[1,3,2]dioxaborole / tetrahydrofuran

3: pyridine / 0 °C

With pyridine; triethylsilane; lithium borohydride; boron trifluoride diethyl etherate; benzo[1,3,2]dioxaborole; In tetrahydrofuran;

DOI:10.1016/j.cclet.2014.01.015

upstream raw materials:

p-toluenesulfonyl chloride

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

(8S,9S,13S,14S,17S)-3,17-bis(benzyloxy)-13-methyl-6,7,8,9,12,13,14,15,16,17-decahydro-11H-cyclopenta[a]phenanthren-11-one

11α-allyl-3,17β-dibenzyloxyestra-1,3,5(10)-triene-11β-ol

Downstream raw materials:

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

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

3,17β-dibenzyloxy-11β-(3-tert-butoxypropyl)estra-1,3,5(10)-triene

3-t-butyldiphenylsilyloxy-11β-(3-isopropoxypropyl)estra-1,3,5(10)-trien-17β-ol