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

Base Information

• Chemical Name: (1R,2S,6S,7R)-7-chloro-9-diphenylmethylene-4,4-dimethyl-3,5,8-trioxatricyclo<5.2.2.0^2,6>undec-10-ene
• CAS No.: 156726-95-3
• Molecular Formula: C₂₃H₂₁ClO₃
• Molecular Weight: 380.871

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

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

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

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

There total 2 articles about (1R,2S,6S,7R)-7-chloro-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: 65.0%

(3aS,7aS)-4-chloro-2,2-dimethyl-3a,7a-dihydro-1,3-benzodioxole (127666-06-2) + diphenyl ketene (525-06-4) → (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,6S,9R)-7-chloro-4,4-dimethyl-10,10-diphenyl-3,5-dioxatricyclo<7.2.0.02,6>undec-7-en-11-one (156726-92-0)

Guidance literature:

In tetrahydrofuran; for 48h; Heating;

Reference yield:

(1R,2S,6S,9R)-7-chloro-4,4-dimethyl-10,10-diphenyl-3,5-dioxatricyclo<7.2.0.02,6>undec-7-en-11-one (156726-92-0) → (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)

Guidance literature:

In tetrahydrofuran; for 48h; Yield given; Heating;

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) → benzophenone (119-61-9)

Guidance literature:

Multi-step reaction with 2 steps

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

2: meta-chloroperoxybenzoic acid

With tri-n-butyl-tin hydride; 3-chloro-benzenecarboperoxoic acid; In tetrahydrofuran;

DOI:10.1039/c39940000803

upstream raw materials:

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

diphenyl ketene

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

Downstream raw materials:

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

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

benzophenone

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