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

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Chemical Name:2,2-bis(4-dimethylaminophenyl)-9-methoxy-5-[1,1-bis(4-methoxyphenyl)-1-hydroxymethyl]-2H-naphtho[1,2-b]pyran
CAS No.:1259944-69-8
Molecular Formula:C₄₅H₄₄N₂O₅
Molecular Weight:692.855
Hs Code.:

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

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

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

There total 3 articles about 2,2-bis(4-dimethylaminophenyl)-9-methoxy-5-[1,1-bis(4-methoxyphenyl)-1-hydroxymethyl]-2H-naphtho[1,2-b]pyran 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: 59.0%

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

: 1259944-64-3
ethyl 2,2-bis(4-dimethylaminophenyl)-9-methoxy-2H-naphtho[1,2-b]pyran-5-carboxylate

: 1259944-69-8
2,2-bis(4-dimethylaminophenyl)-9-methoxy-5-[1,1-bis(4-methoxyphenyl)-1-hydroxymethyl]-2H-naphtho[1,2-b]pyran

Guidance literature:: With n-butyllithium; In tetrahydrofuran; at -70 - 20 ℃; Inert atmosphere;
DOI:10.1039/c0cc02986f

Reference yield:

: 102164-16-9
1,1-di[4,4'-bis(dimethylamino)phenyl]-2-propyn-1-ol

: 1259944-69-8
2,2-bis(4-dimethylaminophenyl)-9-methoxy-5-[1,1-bis(4-methoxyphenyl)-1-hydroxymethyl]-2H-naphtho[1,2-b]pyran

Guidance literature:: Multi-step reaction with 2 steps

1.1: Sasol Pural MG-30 (magnesium aluminium hydroxy carbonate, 30percent Mg content on silica) / toluene / Reflux

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

2.2: -70 - 20 °C / Inert atmosphere

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

Reference yield:

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

: 1259944-69-8
2,2-bis(4-dimethylaminophenyl)-9-methoxy-5-[1,1-bis(4-methoxyphenyl)-1-hydroxymethyl]-2H-naphtho[1,2-b]pyran

Guidance literature:: Multi-step reaction with 2 steps

1.1: Sasol Pural MG-30 (magnesium aluminium hydroxy carbonate, 30percent Mg content on silica) / toluene / Reflux

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

2.2: -70 - 20 °C / Inert atmosphere

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