ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate

Base Information

Chemical Name:ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate
CAS No.:1346415-42-6
Molecular Formula:C₃₂H₃₁NO₅
Molecular Weight:509.602
Hs Code.:

Synonyms:ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate

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Chemical Property of ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate

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Technology Process of ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate

There total 1 articles about ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate 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: 76.0%

: 1-(4-dimethylaminophenyl)-1-(4-methoxyphenyl)prop-2-yn-1-ol

: 538343-03-2
ethyl 4-hydroxy-6-methoxynaphthalene-2-carboxylate

: 1346415-42-6
ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate

Guidance literature:: With aluminum oxide; In toluene; Reflux;
DOI:10.1016/j.dyepig.2011.07.004

Reference yield: 67.0%

: 104-92-7
1-bromo-4-methoxy-benzene

: 1346415-42-6
ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate

: 1346415-43-7
2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-5-[1,1-bis(4-methoxyphenyl)-1-hydroxymethyl]-2H-naphtho[1,2-b]pyran

Guidance literature:: 1-bromo-4-methoxy-benzene; With n-butyllithium; In tetrahydrofuran; hexane; cyclohexane; at -70 ℃; for 2h; Inert atmosphere;

ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate; In tetrahydrofuran; hexane; cyclohexane; at -70 - 20 ℃; Inert atmosphere;
DOI:10.1016/j.dyepig.2011.07.004

Reference yield:

: 1346415-42-6
ethyl 2-(4-dimethylaminophenyl)-9-methoxy-2-(4-methoxyphenyl)-2H-naphtho[1,2-b]pyran-5-carboxylate

: C₄₄H₄₁NO₆

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran; hexane; cyclohexane / 2 h / -70 °C / Inert atmosphere

1.2: -70 - 20 °C / Inert atmosphere

2.1: dichloromethane / UV-irradiation

With n-butyllithium; In tetrahydrofuran; hexane; dichloromethane; cyclohexane;
DOI:10.1016/j.dyepig.2011.07.004