3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene

Base Information

Chemical Name:3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene
CAS No.:207743-00-8
Molecular Formula:C₂₂H₂₂Br₂O₇
Molecular Weight:558.22
Hs Code.:

Synonyms:3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene

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Chemical Property of 3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene

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Technology Process of 3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene

There total 2 articles about 3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene 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: 70.0%

: 207742-99-2
3',3''-dibromo-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-4-[(tert-butyldiphenylsilyl)oxy]-1-butene

: 207743-00-8
3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 0 ℃; for 5.5h;
DOI:10.1021/jm9800595

Reference yield:

: 159499-98-6
[3',3''-dibromo-4',4''-dimethoxy-5',5''-di(methoxycarbonyl)diphenyl]methanone

: 207743-00-8
3',3''-dibromo-4-hydroxy-4',4''-dimethoxy-5',5''-bis(methoxycarbonyl)-1,1-diphenyl-1-butene

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) sodium bis(trimethylsilyl)amide / 1.) THF, 30 min, 2.) THF, RT, 24 h

2: 70 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 5.5 h / 0 °C

With tetrabutyl ammonium fluoride; sodium hexamethyldisilazane; In tetrahydrofuran;
DOI:10.1021/jm9800595