21-(4-acetoxymethylphenyl)henicosanic acid

Base Information

Chemical Name:21-(4-acetoxymethylphenyl)henicosanic acid
CAS No.:128368-86-5
Molecular Formula:C₃₀H₅₀O₄
Molecular Weight:474.725
Hs Code.:

Synonyms:21-(4-acetoxymethylphenyl)henicosanic acid

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 21-(4-acetoxymethylphenyl)henicosanic acid

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Technology Process of 21-(4-acetoxymethylphenyl)henicosanic acid

There total 11 articles about 21-(4-acetoxymethylphenyl)henicosanic 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: 89.0%

: 128368-83-2
4-(21-hydroxyhenicosyl)benzyl acetate

: 128368-86-5
21-(4-acetoxymethylphenyl)henicosanic acid

Guidance literature:: With chromium(VI) oxide; sulfuric acid; In acetone;
DOI:10.1039/c39900000031

Reference yield:

: 7735-43-5
1,20-eicosanediol

: 128368-86-5
21-(4-acetoxymethylphenyl)henicosanic acid

Guidance literature:: Multi-step reaction with 7 steps

1: 49 percent / 48percent aq. HBr / petroleum ether / 24 h / Heating

2: PPTS / CH₂Cl₂ / 20 h / Ambient temperature

3: 1) lithium diisopropylamide / 1) THF, 0 deg C, 30 min, 2) THF, 30 min

4: 67 percent / BH₃-Me₂S / tetrahydrofuran / 20 h / Ambient temperature

5: 85 percent / 4-(dimethylamino)pyridine, pyridine / CH₂Cl₂ / 20 h / Ambient temperature

6: 95 percent / PPTS / ethanol / 1 h / Heating

7: 87 percent / Jones reagent / acetone

With pyridine; dmap; jones reagent; dimethylsulfide borane complex; hydrogen bromide; pyridinium p-toluenesulfonate; lithium diisopropyl amide; In tetrahydrofuran; ethanol; dichloromethane; acetone; Petroleum ether;
DOI:10.1016/S0040-4020(01)86422-X

Reference yield:

: 128368-84-3
4-(21-tetrahydropyranyloxyhenicosyl)benzyl alcohol

: 128368-86-5
21-(4-acetoxymethylphenyl)henicosanic acid

Guidance literature:: Multi-step reaction with 3 steps

1: 85 percent / 4-(dimethylamino)pyridine, pyridine / CH₂Cl₂ / 20 h / Ambient temperature

2: 95 percent / PPTS / ethanol / 1 h / Heating

3: 87 percent / Jones reagent / acetone

With pyridine; dmap; jones reagent; pyridinium p-toluenesulfonate; In ethanol; dichloromethane; acetone;
DOI:10.1016/S0040-4020(01)86422-X