(3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione

Base Information

• Chemical Name: (3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione
• CAS No.: 126874-51-9
• Molecular Formula: C₁₉H₁₉NO₄
• Molecular Weight: 325.364
• Mol file: 126874-51-9.mol

Synonyms:

Chemical Property of (3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione

There total 2 articles about (3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-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:

cis-1,2-dihydrocatechol (17793-95-2) → (3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione (126874-51-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 83 percent / p-toluenesulfonic acid / 1 h / Ambient temperature

2: CHCl₃ / 24 h / Ambient temperature

With toluene-4-sulfonic acid; In chloroform;

Reference yield:

N-phenyl-maleimide (941-69-5) + cis-2,2-dimethyl-3a,7a-dihydrobenzo[1,3]dioxole (80409-75-2,343865-40-7) → (3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione (126874-51-9) + (3aα,4α,4aβ,7aβ,8α,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione (126814-16-2)

Guidance literature:

In benzene; Yield given. Yields of byproduct given;

Reference yield: 53.0%

(3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione (126874-51-9) → (3aα,4α,7α,7aα,8R*,9S*)-3a,4,7,7a-tetrahydro-8,9-dihydroxy-2-phenyl-4,7-ethano-1H-isoindole-1,3(2H)-dione (126814-12-8,126923-22-6)

Guidance literature:

With hydrogenchloride; Heating;

upstream raw materials:

N-phenyl-maleimide

cis-2,2-dimethyl-3a,7a-dihydrobenzo[1,3]dioxole

cis-1,2-dihydrocatechol

Downstream raw materials:

(3aα,4α,7α,7aα,8R*,9S*)-3a,4,7,7a-tetrahydro-8,9-dihydroxy-2-phenyl-4,7-ethano-1H-isoindole-1,3(2H)-dione

(3aα,4α,7α,7aα,8R*,9S*)-3a,4,7,7a-tetrahydro-8,9-dimethoxy-2-phenyl-4,7-ethano-1H-isoindole-1,3(2H)-dione

(3aα,4β,4aα,7aα,8β,8aα)-4a,7a,8,8a-tetrahydro-2,2-dimethyl-6-phenyl-4,8-etheno-4H-1,3,2-dioxasilolo<4,5-f>isoindole-5,7(3aH,6H)-dione

(2α,3aβ,4α,4aβ,7aβ,8α,8aβ)-4a,7a,8,8a-tetrahydro-2,6-diphenyl-4,8-etheno-4H-1,3-dioxolo<4,5-f>isoindole-5,7(3aH,6H)-dione