Benzoesaeure--anhydrid

Base Information

• Chemical Name: Benzoesaeure--anhydrid
• CAS No.: 118633-39-9
• Molecular Formula: C₁₁H₁₂O₄
• Molecular Weight: 208.214
• Mol file: 118633-39-9.mol

Synonyms:Benzoesaeure--anhydrid

Chemical Property of Benzoesaeure--anhydrid

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

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Technology Process of Benzoesaeure--anhydrid

There total 2 articles about Benzoesaeure--anhydrid 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: 86.0%

isopropyl chloroformate (108-23-6) + benzoic acid (65-85-0,8013-63-6) → Benzoesaeure--anhydrid (118633-39-9)

Guidance literature:

benzoic acid; With trimethylamine; In tetrahydrofuran; at 20 ℃; for 0.166667h; Inert atmosphere; Sealed tube;

isopropyl chloroformate; With triethylamine; In tetrahydrofuran; toluene; at 0 - 20 ℃; for 2.66667h; Inert atmosphere; Sealed tube;

DOI:10.1002/anie.201506397

Reference yield:

Benzoyl-isobutyryl-peroxyd (13495-32-4) → Benzoesaeure--anhydrid (118633-39-9)

Guidance literature:

With (decomposition); In cyclohexane; at 50 - 70 ℃; Kinetics;

DOI:10.1021/ja01046a017

Reference yield: 79.0%

Benzoesaeure--anhydrid (118633-39-9) + 4-iodo-N-methoxy-N,3-dimethylbenzamide → 3-benzoyl-N-methoxy-N,5-dimethylbenzamide (422550-82-1)

Guidance literature:

With bis(η3-allyl-μ-chloropalladium(II)); trifuran-2-yl-phosphane; C₉H₁₃NO; caesium carbonate; benzoic acid anhydride; In tetrahydrofuran; at 70 ℃; for 20h; Inert atmosphere; Sealed tube;

DOI:10.1002/anie.201506397

upstream raw materials:

Benzoyl-isobutyryl-peroxyd

isopropyl chloroformate

benzoic acid

Downstream raw materials:

ketoprofen methyl ester

3-benzoyl-N-methoxy-N,5-dimethylbenzamide

4-benzoyl-2-methoxypyridine

phenyl(quinolin-6-yl)methanone