etienic acid

Base Information

• Chemical Name: etienic acid
• CAS No.: 15173-68-9
• Molecular Formula: C₂₀H₃₀O₃
• Molecular Weight: 318.456
• Mol file: 15173-68-9.mol

Synonyms:

Chemical Property of etienic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of etienic acid

There total 35 articles about etienic acid 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: 98.0%

3β-acetoxyetienic acid (7150-18-7) → etienic acid (15173-68-9,10325-79-8)

Guidance literature:

With bromine; sodium hydroxide; In 1,4-dioxane; water; at 20 ℃; for 12h;

DOI:10.1016/j.ejmech.2021.113468

Reference yield: 97.6%

Pregnenolone acetate (1778-02-5) → etienic acid (15173-68-9,10325-79-8)

Guidance literature:

With bromine; sodium hydroxide; In 1,4-dioxane; water; Cooling with ice; Reflux;

DOI:10.1021/jm201478e

Reference yield: 92.0%

Pregnenolone (145-13-1) → etienic acid (15173-68-9,10325-79-8)

Guidance literature:

Pregnenolone; With bromine; sodium hydroxide; In 1,4-dioxane; water; at -5 - 10 ℃; for 3h;

With hydrogenchloride; In water;

DOI:10.1002/cmdc.201500027

upstream raw materials:

Pregnenolone acetate

3β-acetoxyetienic acid

21-acetoxypregnenolone

3β-hydroxy-androstadiene-(5.16)-carboxylic acid-(17)

Downstream raw materials:

methyl 5-androsten-3β-ol-17β-carboxylate

methyl 3β-hydroxy-5β-androstane-17β-carboxylate

Pregnenolone acetate