2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

Base Information

Chemical Name:2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone
CAS No.:87483-15-6
Molecular Formula:C₂₃H₁₉NO₈
Molecular Weight:437.406
Hs Code.:

2-<o-(Methoxycarbonyl)phenyl>-4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

Synonyms:2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

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Chemical Property of 2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

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Technology Process of 2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

There total 6 articles about 2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone 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: 97.3%

: 87483-14-5
1-(3,4-Diacetoxyphenyl)-7--8-oxa-3,4,6-triazaspiro<4.4>nona-3,6-dien-9-one

: 87483-15-6
2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

Guidance literature:: In toluene; at 95 - 100 ℃; for 1.5h;
DOI:10.1021/jo00172a061

Reference yield:

: 67727-64-4
3,4-diacetoxybenzaldehyde

: 87483-15-6
2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

Guidance literature:: Multi-step reaction with 4 steps

1: Ac₂O/NaOAc / 48 h / Ambient temperature

2: CF₃COOH / CH₂Cl₂ / Ambient temperature

3: 81.1 percent / CH₂Cl₂; diethyl ether / 24 h / Ambient temperature

4: 97.3 percent / toluene / 1.5 h / 95 - 100 °C

With sodium acetate; acetic anhydride; trifluoroacetic acid; In diethyl ether; dichloromethane; toluene;
DOI:10.1021/jo00172a061

Reference yield:

: 33693-84-4
phthalic acid mono-tert-butyl ester

: 87483-15-6
2--4-<1-(3,4-diacetoxyphenyl)ethylidene>-5-oxazolone

Guidance literature:: Multi-step reaction with 5 steps

1: 1) N-methylmorpholine, isobutyl chloroformate, 2) NaOH / 1) THF, 0 degC, 25 min, 2) H₂O, 0 degC, 30 min

2: Ac₂O/NaOAc / 48 h / Ambient temperature

3: CF₃COOH / CH₂Cl₂ / Ambient temperature

4: 81.1 percent / CH₂Cl₂; diethyl ether / 24 h / Ambient temperature

5: 97.3 percent / toluene / 1.5 h / 95 - 100 °C

With 4-methyl-morpholine; sodium hydroxide; sodium acetate; acetic anhydride; trifluoroacetic acid; isobutyl chloroformate; In diethyl ether; dichloromethane; toluene;
DOI:10.1021/jo00172a061