bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane

Base Information

Chemical Name:bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane
CAS No.:219948-09-1
Molecular Formula:C₃₂H₄₄O₄
Molecular Weight:492.699
Hs Code.:

Synonyms:bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane

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Chemical Property of bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane

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Technology Process of bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane

There total 4 articles about bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane 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: 95.0%

: 219948-08-0
bis(5-tert-butyl-3,4-dimethyxyphenyl)norbornyl carbinol

: 219948-09-1
bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane

Guidance literature:: With toluene-4-sulfonic acid; In benzene; for 3h; Heating;
DOI:10.1021/jo981597s

Reference yield:

: 5971-67-5
bicyclo<2.2.1>heptane-7-carboxylic acid

: 219948-09-1
bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane

Guidance literature:: Multi-step reaction with 3 steps

1: K₂CO₃ / acetone / Heating

2: 1.) t-BuLi / 1.) THF, -78 deg C, 1 h, 2.) THF, -78 deg C, overnight

3: 95 percent / p-TSA*H₂O / benzene / 3 h / Heating

With tert.-butyl lithium; potassium carbonate; toluene-4-sulfonic acid; In acetone; benzene;
DOI:10.1021/jo981597s

Reference yield:

: 13237-88-2
7-bromobicyclo[2.2.1]heptane

: 219948-09-1
bis(5-tert-butyl-3,4-dimethyxyphenyl)methylenenorbornane

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) LiDBB / 1.) THF, -78 deg C, 15 min, 2.) THF, -78 deg C to rt

2: K₂CO₃ / acetone / Heating

3: 1.) t-BuLi / 1.) THF, -78 deg C, 1 h, 2.) THF, -78 deg C, overnight

4: 95 percent / p-TSA*H₂O / benzene / 3 h / Heating

With lithium 4,4′-di(tert-butyl)biphenyl; tert.-butyl lithium; potassium carbonate; toluene-4-sulfonic acid; In acetone; benzene;
DOI:10.1021/jo981597s