3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester

Base Information

• Chemical Name: 3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester
• CAS No.: 82-70-2
• Molecular Formula: C₂₀H₂₂O₈
• Molecular Weight: 390.39

Synonyms:3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester

Chemical Property of 3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester

Chemical Property:

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Technology Process of 3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester

There total 1 articles about 3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester 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:

→ 3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester (82-70-2)

Guidance literature:

Reference yield:

sulfuric acid (7664-93-9) + 3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester (82-70-2) → 1,4-Diacetylbenzene (1009-61-6) + terephthalic acid (100-21-0) + 4-acetyl-benzoic acid (586-89-0)

Guidance literature:

Reference yield:

3,3'-dioxo-2,2'-terephthaloyl-di-butyric acid diethyl ester (82-70-2) → 1,4-Diacetylbenzene (1009-61-6)

Guidance literature:

With sulfuric acid; Versetzen mit Wasser, Abdestillieren des Aethanols und weiteres 8-stdg. Erhitzen;

DOI:10.1039/jr9490002393

Downstream raw materials:

1,4-Diacetylbenzene

terephthalic acid

4-acetyl-benzoic acid

1,1’-(1,4-phenylene)bis(butane-1,3-dione)

Refernces

Synthesis and organoleptic properties of p-menthane lactones

10.1016/S0040-4020(00)00397-5

The study focuses on the stereoselective synthesis and organoleptic properties of p-menthane lactones (7a-h), a class of compounds with significant interest to the perfume industry due to their exceptional odor intensity and typical coumarin-like note. The research corrects published data concerning these compounds and identifies 7a, 7b, and 7g as trace components in Italo Mitcham black peppermint oil (Mentha piperita). Various chemicals were used in the study, including (-)-isopulegol, (+)-neoisopulegol, m-chloroperbenzoic acid, lithium diisopropylamide (LDA), potassium permanganate, Raney nickel, and several others, serving as starting materials, reagents, and catalysts in the synthesis of the lactones. The purpose of these chemicals was to facilitate the synthesis of the p-menthane lactones, allowing for their characterization and evaluation of their sensory properties, which are crucial for their potential use in the perfume and flavoring industries.

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