3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide

Base Information

• Chemical Name: 3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide
• CAS No.: 1401937-92-5
• Molecular Formula: C₂₈H₃₃NO₂
• Molecular Weight: 415.576
• Mol file: 1401937-92-5.mol

Synonyms:3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide

Chemical Property of 3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide

There total 7 articles about 3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide 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: 88.0%

3-{[(16β,17β)-3-(2-bromoethyl)-17-hydroxyestra-1(10),2,4-trien-16-yl]methyl}benzamide (1318265-18-7) → 3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide (1401937-92-5)

Guidance literature:

With tetrabutyl ammonium fluoride; In dimethyl sulfoxide; at 20 ℃; for 4h;

DOI:10.1016/j.steroids.2018.09.009

Reference yield: 53.0%

3-{[(16β,17β)-17-hydroxy-3-(2-iodoethyl)estra-1(10),2,4-trien-16-yl]methyl}benzamide (1401937-58-3) → 3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide (1401937-92-5)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; 1,4-dioxane; at 20 ℃; for 3h; Inert atmosphere;

Reference yield:

3-{(E)-[(16E)-3-[2-(benzyloxy)ethyl]-17-oxoestra-1(10),2,4-trien-16-ylidene]methyl}benzamide (1318265-24-5) → 3-[(17β-hydroxy-3-ethenylestra-1,3,5(10)-trien-16β-yl)methyl] benzamide (1401937-92-5)

Guidance literature:

Multi-step reaction with 4 steps

1.1: sodium tetrahydroborate; methanol / dichloromethane / 1 h / 20 °C

1.2: 36 h

2.1: carbon tetrabromide; triphenylphosphine / dichloromethane / 1.67 h / 0 °C

3.1: sodium iodide / acetone / 48 h / 20 °C / Inert atmosphere

4.1: tetrabutyl ammonium fluoride / 1,4-dioxane; tetrahydrofuran / 3 h / 20 °C / Inert atmosphere

With methanol; sodium tetrahydroborate; carbon tetrabromide; tetrabutyl ammonium fluoride; triphenylphosphine; sodium iodide; In tetrahydrofuran; 1,4-dioxane; dichloromethane; acetone;

upstream raw materials:

3-{[(16β,17β)-3-(2-bromoethyl)-17-hydroxyestra-1(10),2,4-trien-16-yl]methyl}benzamide

3-{[(16β,17β)-17-hydroxy-3-(2-iodoethyl)estra-1(10),2,4-trien-16-yl]methyl}benzamide

3-[2-(benzyloxy)ethyl]estra-1⁽¹⁰⁾,2,4-trien-17-one

3-{(E)-[(16E)-3-[2-(benzyloxy)ethyl]-17-oxoestra-1⁽¹⁰⁾,2,4-trien-16-ylidene]methyl}benzamide