ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate

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Chemical Name:ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate
CAS No.:267002-83-5
Molecular Formula:C₄₁H₃₅NO₁₀
Molecular Weight:701.73
Hs Code.:

Synonyms:ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate

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Chemical Property of ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate

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Technology Process of ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate

There total 2 articles about ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate 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%

: 105-56-6
ethyl 2-cyanoacetate

: 267002-82-4
2-(bromomethyl)-7,4'-dimethoxyisoflavone

: 267002-83-5
ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate

Guidance literature:: ethyl 2-cyanoacetate; With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 2h;

2-(bromomethyl)-7,4'-dimethoxyisoflavone; In N,N-dimethyl-formamide; at 20 ℃; for 4h; Further stages.;
DOI:10.1021/jo991404g

Reference yield:

: 70894-40-5
7,4'-dimethoxy-2-methylisoflavone

: 267002-83-5
ethyl 2-cyano-2,2-bis[(7-methoxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-2-yl)methyl]acetate

Guidance literature:: Multi-step reaction with 2 steps

1.1: 82 percent / N-bromosuccinimide; dibenzoyl peroxide / CCl₄ / 6 h / Heating; irradiation

2.1: K₂CO₃ / dimethylformamide / 2 h / 20 °C

2.2: 64 percent / dimethylformamide / 4 h / 20 °C

With N-Bromosuccinimide; potassium carbonate; dibenzoyl peroxide; In tetrachloromethane; N,N-dimethyl-formamide; 1.1: Bromination / 2.1: deprotonation / 2.2: Substitution;
DOI:10.1021/jo991404g