2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone

Base Information

Chemical Name:2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone
CAS No.:620630-18-4
Molecular Formula:C₁₁H₉BrO₃
Molecular Weight:269.095
Hs Code.:

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Chemical Property of 2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone

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Technology Process of 2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone

There total 3 articles about 2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone 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: 20.0%

: 186581-53-3,908094-01-9,334-88-3
diazomethane

: 620630-13-9
2-(2-bromo-4-methoxyphenyl)-3-hydroxycyclopropenone

: 620630-18-4
2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone

Guidance literature:: In diethyl ether; at -78 - 20 ℃;
DOI:10.1021/jo034869m

Reference yield:

: 67-56-1
methanol

: 6262-42-6
1,2,3,3-tetrachlorocyclopropene

: 2398-37-0
3-methoxyphenyl bromide

: 620630-18-4
2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone

Guidance literature:: 1,2,3,3-tetrachlorocyclopropene; 3-methoxyphenyl bromide; With aluminium trichloride; In dichloromethane; at -35 - 20 ℃; for 4h;

methanol; In dichloromethane; at 0 - 20 ℃; for 1h;
DOI:10.1021/jo034869m

Reference yield:

: 2398-37-0
3-methoxyphenyl bromide

: 620630-18-4
2-(2-bromo-4-methoxyphenyl)-3-methoxycyclopropenone

Guidance literature:: Multi-step reaction with 2 steps

1.1: AlCl₃ / CH₂Cl₂ / 1 h / Heating

1.2: 52 percent / H₂O / acetone / cooling

2.1: 20 percent / diethyl ether / -78 - 20 °C

With aluminium trichloride; In diethyl ether; dichloromethane; 1.1: Friedel-Crafts reaction;
DOI:10.1021/jo034869m