(1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene

Base Information

• Chemical Name: (1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene
• CAS No.: 156769-58-3
• Molecular Formula: C₂₃H₂₂O₃
• Molecular Weight: 346.426

Synonyms:(1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene

Chemical Property of (1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene

Chemical Property:

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Technology Process of (1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene

There total 5 articles about (1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene 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: 44.0%

(1R,2S,6R,9R)-4,4-dimethyl-10,10-diphenyl-3,5-dioxatricyclo<7.2.0.02,6>undec-7-en-11-one (156769-56-1) → (1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.02,6>undec-10-ene (156769-58-3)

Guidance literature:

In octane; for 48h; Heating;

DOI:10.1039/c39940000803

Reference yield:

diphenyl ketene (525-06-4) → (1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.02,6>undec-10-ene (156769-58-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 16 percent / tetrahydrofuran / 48 h / Heating

2: tri-n-butyltin hydride / tetrahydrofuran / Heating

With tri-n-butyl-tin hydride; In tetrahydrofuran;

DOI:10.1039/c39940000803

Reference yield:

(1R,2S,6S,7R)-7-chloro-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.02,6>undec-10-ene (156726-95-3) → (1R,2S,6R,7S)-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.02,6>undec-10-ene (156769-58-3)

Guidance literature:

With tri-n-butyl-tin hydride; In tetrahydrofuran; Heating;

DOI:10.1039/c39940000803

upstream raw materials:

(1R,2S,6S,7R)-7-chloro-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene

(1R,2S,6R,9R)-4,4-dimethyl-10,10-diphenyl-3,5-dioxatricyclo<7.2.0.0^2,6>undec-7-en-11-one

(3aS,7aS)-4-chloro-2,2-dimethyl-3a,7a-dihydro-1,3-benzodioxole

diphenyl ketene

Downstream raw materials:

benzophenone

(1R,2S,6S,7S,10S,11S)-9-Diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo[5.2.2.0^2,6]undecane-1,11-diol

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