ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate

Base Information

Chemical Name:ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate
CAS No.:550358-44-6
Molecular Formula:C₂₂H₂₃NO₅
Molecular Weight:381.428
Hs Code.:

Synonyms:ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate

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Chemical Property of ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate

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Technology Process of ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate

There total 6 articles about ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate 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%

: 550358-42-4
ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-(2,2-dichlorovinyl)-5,6-dimethoxybenzimidate

: 550358-44-6
ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate

Guidance literature:: With n-butyllithium; In tetrahydrofuran; hexane; at -15 ℃; for 1h;
DOI:10.3987/com-02-s50

Reference yield:

: 550358-40-2
benzyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]carbamate

: 550358-44-6
ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate

Guidance literature:: Multi-step reaction with 4 steps

1: 100 percent / H₂ / 5 percent Pd-C / methanol; tetrahydrofuran / 3 h / 20 °C / 760 Torr

2: 78 percent / diethyl phosphorocyanidate; Et₃N / tetrahydrofuran / 2 h / 20 °C

3: 93 percent / CH₂Cl₂ / Heating

4: 95 percent / BuLi / hexane; tetrahydrofuran / 1 h / -15 °C

With n-butyllithium; diethyl cyanophosphonate; hydrogen; triethylamine; palladium on activated charcoal; In tetrahydrofuran; methanol; hexane; dichloromethane;
DOI:10.3987/com-02-s50

Reference yield:

: 82735-27-1
6,7-dimethoxy-3-trichloromethyl-phthalide

: 550358-44-6
ethyl N-[2-(benzo[1,3]dioxol-5-yl)ethyl]-2-ethynyl-5,6-dimethoxybenzimidate

Guidance literature:: Multi-step reaction with 4 steps

1: 95 percent / Zn powder / acetic acid; tetrahydrofuran / 4 h / 55 - 65 °C

2: 78 percent / diethyl phosphorocyanidate; Et₃N / tetrahydrofuran / 2 h / 20 °C

3: 93 percent / CH₂Cl₂ / Heating

4: 95 percent / BuLi / hexane; tetrahydrofuran / 1 h / -15 °C

With n-butyllithium; diethyl cyanophosphonate; triethylamine; zinc; In tetrahydrofuran; hexane; dichloromethane; acetic acid;
DOI:10.3987/com-02-s50