3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione

Base Information

• Chemical Name: 3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione
• CAS No.: 89049-63-8
• Molecular Formula: C₂₁H₂₄BrNO₃
• Molecular Weight: 418.33

Synonyms:3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione

Chemical Property of 3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione

Chemical Property:

Purity/Quality:

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Technology Process of 3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione

There total 1 articles about 3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione 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: 4.0%

2,5-di-tert-butyl-p-benzoquinone (2460-77-7) + 4-bromo-N-hydroxybenzenecarboximidoyl chloride (29203-58-5) → 3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione (89049-63-8) + 3,7-Bis-(4-bromo-phenyl)-4a,8a-di-tert-butyl-3a,4a,7a,8a-tetrahydro-benzo[1,2-d;4,5-d']diisoxazole-4,8-dione (89049-64-9)

Guidance literature:

With triethylamine; In dichloromethane; for 48h; Ambient temperature;

DOI:10.1246/bcsj.56.3457

Reference yield: 96.0%

3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione (89049-63-8) → 3-(4-Bromo-phenyl)-4,7-di-tert-butyl-4-hydroxy-4H-benzo[d]isoxazol-5-one (95413-35-7)

Guidance literature:

With sodium hydroxide; In ethanol; for 1h; Ambient temperature;

DOI:10.1246/bcsj.65.2480

Reference yield: 48.0%

p-bromobenzonitrile N-oxide (42811-75-6) + 3-(4-Bromo-phenyl)-5,7a-di-tert-butyl-3a,7a-dihydro-benzo[d]isoxazole-4,7-dione (89049-63-8) → 3,7-Bis-(4-bromo-phenyl)-4a,8a-di-tert-butyl-3a,4a,7a,8a-tetrahydro-benzo[1,2-d;4,5-d']diisoxazole-4,8-dione (89049-64-9)

Guidance literature:

In dichloromethane; for 18h;

DOI:10.1246/bcsj.65.2484

upstream raw materials:

2,5-di-tert-butyl-p-benzoquinone

4-bromo-N-hydroxybenzenecarboximidoyl chloride

Downstream raw materials:

3,7-Bis-(4-bromo-phenyl)-4a,8a-di-tert-butyl-3a,4a,7a,8a-tetrahydro-benzo[1,2-d;4,5-d']diisoxazole-4,8-dione

3-(4-Bromo-phenyl)-4,7-di-tert-butyl-4-hydroxy-4H-benzo[d]isoxazol-5-one

Acetic acid 5-acetoxy-3-(4-bromo-phenyl)-7-tert-butyl-benzo[d]isoxazol-4-yl ester

3,6-Bis-(4-bromo-phenyl)-5-tert-butyl-5-hydroxy-5H-benzo[1,2-d;4,3-d']diisoxazol-4-one

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