trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione

Base Information

• Chemical Name: trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione
• CAS No.: 80716-67-2
• Molecular Formula: C₃₄H₂₂O₄
• Molecular Weight: 494.546
• Mol file: 80716-67-2.mol

Synonyms:trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione

Chemical Property of trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione

There total 2 articles about trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-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: 100.0%

[1,6-Dihydroxy-3-oxo-1,4,6,7-tetraphenyl-1,6,7,7a-tetrahydro-3H-isobenzofuran-(5Z)-ylidene]-acetic acid (81555-64-8) → trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione (80716-67-2)

Guidance literature:

at 200 ℃;

DOI:10.1021/jo00134a014

Reference yield: 60.0%

4-carboxy-1,3-bis(α-chloro-α-hydroxybenzyl)-2,5-diphenylcyclopentaneacetic acid di-γ-lactone (80716-64-9) → trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione (80716-67-2)

Guidance literature:

at 260 ℃; under 0.001 Torr;

DOI:10.1016/S0040-4039(01)82018-9

Reference yield: 42.0%

trans-8,8a-dihydro-4,7,8,8a-tetraphenylbenzo<1,2-b:4,5-c'>difuran-2,5-dione (80716-67-2) → C34H24O5 (81555-66-0)

Guidance literature:

With potassium hydroxide; In ethanol; for 6h; Heating;

DOI:10.1021/jo00134a014

upstream raw materials:

[1,6-Dihydroxy-3-oxo-1,4,6,7-tetraphenyl-1,6,7,7a-tetrahydro-3H-isobenzofuran-(5Z)-ylidene]-acetic acid

4-carboxy-1,3-bis(α-chloro-α-hydroxybenzyl)-2,5-diphenylcyclopentaneacetic acid di-γ-lactone

Downstream raw materials:

C₃₆H₂₆⁽²⁾H₂O₅

(8R,8aS)-4,7,8,8a-Tetraphenyl-3,3a,8,8a-tetrahydro-benzo[1,2-b;4,5-c']difuran-2,5-dione

2-Benzyl-5-carboxymethyl-3,4,6-triphenyl-cyclohex-3-enecarboxylic acid

(8R,8aS)-4,7,8,8a-Tetraphenyl-3,3a,4,4a,8,8a-hexahydro-benzo[1,2-b;4,5-c']difuran-2,5-dione