2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene

Base Information

• Chemical Name: 2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene
• CAS No.: 84438-13-1
• Molecular Formula: C₂₂H₂₂O₆S₂
• Molecular Weight: 446.545

Synonyms:2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene

Chemical Property of 2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene

Chemical Property:

Purity/Quality:

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Technology Process of 2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene

There total 3 articles about 2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene 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: 85.0%

2,5-dihydroxy-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene (84438-12-0) + methanesulfonyl chloride (124-63-0) → 2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene (84438-13-1)

Guidance literature:

With pyridine; Ambient temperature;

DOI:10.1055/s-1982-30019

Reference yield:

2,5-dioxo-7,8-diphenylbicyclo<4.2.0>cta-3,7-diene (70624-65-6) → 2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene (84438-13-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 62 percent / aluminium isopropoxide / propan-2-ol

2: 85 percent / pyridine / Ambient temperature

With pyridine; aluminum isopropoxide; In isopropyl alcohol;

DOI:10.1055/s-1982-30019

Reference yield:

3,10-dioxo-1,2-diphenyl-2a,3,3a,4,9,9a,10,10a-octahydro-4,9-o-benzenocyclobutanthracene (84438-11-9) → 2,5-bis-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene (84438-13-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 2.5 h / 230 - 250 °C / 2 Torr

2: 62 percent / aluminium isopropoxide / propan-2-ol

3: 85 percent / pyridine / Ambient temperature

With pyridine; aluminum isopropoxide; In isopropyl alcohol;

DOI:10.1055/s-1982-30019

upstream raw materials:

2,5-dihydroxy-7,8-diphenylbicyclo<4.2.0>octa-3,7-diene

methanesulfonyl chloride

2,5-dioxo-7,8-diphenylbicyclo<4.2.0>cta-3,7-diene

3,10-dioxo-1,2-diphenyl-2a,3,3a,4,9,9a,10,10a-octahydro-4,9-o-benzenocyclobutanthracene

Downstream raw materials:

1,8-diphenylcyclooctatetraene

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