(E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

Base Information

Chemical Name:(E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone
CAS No.:137047-05-3
Molecular Formula:C₂₂H₂₁BrO₇
Molecular Weight:477.309
Hs Code.:

Synonyms:(E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

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Chemical Property of (E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

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Technology Process of (E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

There total 3 articles about (E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone 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: 64.0%

: 137047-03-1,137121-33-6
trans-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(α-chloro-3,4,5-trimethoxybenzyl)dihydro-2(3H)-furanone

: 137047-05-3
(E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

: 137047-04-2
(Z)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

Guidance literature:: With 1,8-diazabicyclo[5.4.0]undec-7-ene; In acetonitrile;

Reference yield: 43.0%

: (3S,4S)-3-[Benzenesulfinyl-(3,4,5-trimethoxy-phenyl)-methyl]-4-(6-bromo-benzo[1,3]dioxol-5-ylmethyl)-dihydro-furan-2-one

: 137047-05-3
(E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

Guidance literature:: With potassium carbonate; In tetrachloromethane; for 1.5h; Heating;
DOI:10.1016/S0040-4020(01)85735-5

Reference yield:

: trans-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-<3,4,5-trimethoxy-α-(phenylthio)benzyl>dihydro-2(3H)-furanone

: 137047-05-3
(E)-4-(2-Bromo-4,5-methylenedioxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydro-2(3H)-furanone

Guidance literature:: Multi-step reaction with 2 steps

1: m-CPBA / CH₂Cl₂ / 2 h / Ambient temperature

2: 43 percent / K₂CO₃ / CCl₄ / 1.5 h / Heating

With potassium carbonate; 3-chloro-benzenecarboperoxoic acid; In tetrachloromethane; dichloromethane;
DOI:10.1016/S0040-4020(01)85735-5