25-hydroxy-D:A-friedo-oleanan-3-one

Base Information

• Chemical Name: 25-hydroxy-D:A-friedo-oleanan-3-one
• CAS No.: 74285-70-4
• Molecular Formula: C₃₀H₅₀O₂
• Molecular Weight: 442.726
• Mol file: 74285-70-4.mol

Synonyms:25-hydroxy-D:A-friedo-oleanan-3-one

Chemical Property of 25-hydroxy-D:A-friedo-oleanan-3-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 25-hydroxy-D:A-friedo-oleanan-3-one

There total 1 articles about 25-hydroxy-D:A-friedo-oleanan-3-one 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:

methanol (67-56-1) + sodium methylate (124-41-4) + 3,3-ethanediyldioxy-21-oxo-friedelan-25-al + hydrazine (302-01-2,78206-91-4,119775-10-9,75013-58-0) → friedelin (559-74-0) + 25-hydroxy-D:A-friedo-oleanan-3-one (74285-70-4)

Guidance literature:

at 200 ℃; Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit wenig Toluol-4-sulfonsaeure;

DOI:10.1039/jr9560002115

Reference yield: 60.0%

25-hydroxy-D:A-friedo-oleanan-3-one (74285-70-4) → 3-oxo-D:A-friedo-oleanan-25-oic acid (32337-26-1)

Guidance literature:

With chromium(VI) oxide; sulfuric acid; In acetone; at 27 ℃; for 18h;

DOI:10.1016/S0040-4039(00)87252-4

Reference yield:

25-hydroxy-D:A-friedo-oleanan-3-one (74285-70-4) → friedelinol (7506-18-5,16844-71-6,105370-95-4,5085-72-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 mg / pyridine / 18 h / 27 °C

2: ethylenediamine, lithium / Heating

With pyridine; lithium; ethylenediamine;

DOI:10.1071/CH9831067

upstream raw materials:

methanol

sodium methylate

hydrazine

Downstream raw materials:

3-oxo-D:A-friedo-oleanan-25-oic acid

friedelinol