28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate

Base Information

Chemical Name:28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate
CAS No.:1309960-60-8
Molecular Formula:C₄₂H₆₀N₂O₄
Molecular Weight:656.949
Hs Code.:

Synonyms:28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate

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Chemical Property of 28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate

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Technology Process of 28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate

There total 3 articles about 28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-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: 59.0%

: 1309974-65-9
28-[3-amino-3-(hydroxyimino)propoxy]lup-20(29)-en-3β-yl acetate

: 98-88-4
benzoyl chloride

: 1309960-60-8
28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate

Guidance literature:: 28-[3-amino-3-(hydroxyimino)propoxy]lup-20(29)-en-3β-yl acetate; benzoyl chloride; With pyridine; In dichloromethane; at 20 ℃; for 24h; Inert atmosphere;

In benzene; for 6h; Reflux;
DOI:10.1134/S1070428011040208

Reference yield:

: 27570-20-3
betulin monoacetate

: 1309960-60-8
28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate

Guidance literature:: Multi-step reaction with 3 steps

1.1: N-benzyl-N,N,N-triethylammonium chloride; potassium hydroxide / 1,4-dioxane; water / 2 h / 20 °C / Inert atmosphere

2.1: hydroxylamine / butan-1-ol / 10 h / 60 °C

3.1: pyridine / dichloromethane / 24 h / 20 °C / Inert atmosphere

3.2: 6 h / Reflux

With pyridine; N-benzyl-N,N,N-triethylammonium chloride; hydroxylamine; potassium hydroxide; In 1,4-dioxane; dichloromethane; water; butan-1-ol;
DOI:10.1134/S1070428011040208

Reference yield:

: 1309960-46-0
28-(2-cyanoethoxy)lup-20(29)-en-3β-yl acetate

: 1309960-60-8
28-[2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethoxy]lup-20(29)-en-3β-yl acetate

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydroxylamine / butan-1-ol / 10 h / 60 °C

2.1: pyridine / dichloromethane / 24 h / 20 °C / Inert atmosphere

2.2: 6 h / Reflux

With pyridine; hydroxylamine; In dichloromethane; butan-1-ol;
DOI:10.1134/S1070428011040208