23-Oxospirostan-3-yl acetate

Base Information

• Chemical Name: 23-Oxospirostan-3-yl acetate
• CAS No.: 35319-92-7
• Molecular Formula: C₂₉H₄₄O₅
• Molecular Weight: 472.665
• Mol file: 35319-92-7.mol

Synonyms:23-Oxosarsasapogeninacetate

Chemical Property of 23-Oxospirostan-3-yl acetate

Chemical Property:

• PSA: 61.83000
• LogP: 5.54360

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 23-Oxospirostan-3-yl acetate

There total 9 articles about 23-Oxospirostan-3-yl acetate 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: 37.0%

sarsasapogenin acetate (2530-07-6,2752-97-8,4947-75-5,4948-43-0,6870-09-3,10158-77-7,16653-26-2,106759-13-1,106759-14-2,122291-16-1,35319-91-6) → (22S,23S,25S)-3β-acetoxy-22,23-dihydroxy-23,26-epoxyfurostan + (25S)-3β-acetoxy-5β-spirostan-23-one (35319-92-7) + 3β-acetoxy-16β-hydroxy-5β-bisnorcholanoic acid 22->16 lactone (359416-36-7)

Guidance literature:

With boron trifluoride diethyl etherate; sodium nitrite; In water; acetic acid;

DOI:10.1016/j.steroids.2005.07.009

Reference yield: 5.0%

benzeneseleninic anhydride (17697-12-0) + sarsasapogenin acetate (2530-07-6,2752-97-8,4947-75-5,4948-43-0,6870-09-3,10158-77-7,16653-26-2,106759-13-1,106759-14-2,122291-16-1,35319-91-6) → (23R,25S)-3β-acetoxy-16β,23:23,26-diepoxy-5β-cholestan-22-one (914477-77-3) + (23R,25S)-23-phenylseleno-5β-spirostan-3β-ol acetate (1236306-02-7) + (25S)-3β-acetoxy-5β-spirostan-23-one (35319-92-7)

Guidance literature:

With boron trifluoride diethyl etherate; In toluene; at 20 ℃; for 1h;

DOI:10.1016/j.tet.2010.05.013

Reference yield:

→ (25S)-3β-acetoxy-5β-spirostan-23-one (28404-65-1,35319-92-7,119681-80-0)

Guidance literature:

With chromium(VI) oxide; acetic acid;

DOI:10.1021/ja01256a020 DOI:10.1021/ja01278a061

upstream raw materials:

(25S)-3β-acetoxy-23-nitroimino-5β-spirostan

sarsasapogenin acetate

benzeneseleninic anhydride

(23R,25S)-3β-acetoxy-16β,23:23,26-diepoxy-5β-cholestan-22-one

Downstream raw materials:

(23Ξ,25S)-5β-Spirostan-3β,23-diol

(25S)-3β-hydroxy-5β-spirostan-23-one

23R,25S-5β-spirostane-3β,23-diol 3-acetate 23-tosylate

23S,25S-5β-spirostane-3β,23-diol 3-acetate 23-tosylate

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