(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol

Base Information

Chemical Name:(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol
CAS No.:1435267-52-9
Molecular Formula:C₂₉H₃₄O₇
Molecular Weight:494.585
Hs Code.:

Synonyms:(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol

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Chemical Property of (2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol

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Technology Process of (2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol

There total 3 articles about (2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol 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: 48.0%

: 14382-86-6
2-benzyloxy-4,5-dimethoxy-benzaldehyde

: 1435265-70-5
6-bromo-7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran

: 1435267-52-9
(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol

Guidance literature:: 6-bromo-7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 0.25h;

2-benzyloxy-4,5-dimethoxy-benzaldehyde; In tetrahydrofuran; at -78 - 20 ℃;
DOI:10.1016/j.bmc.2013.03.079

Reference yield:

: 1435265-58-9
2,3-dimethoxy-1-((2-methylbut-3-yn-2-yl)oxy)benzene

: 1435267-52-9
(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol

Guidance literature:: Multi-step reaction with 4 steps

1.1: N,N-dimethyl-formamide / 4 h / 145 °C

2.1: palladium 10% on activated carbon; triethylsilane / methanol / 0.25 h / Inert atmosphere

3.1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.33 h / 20 °C

4.1: n-butyllithium / tetrahydrofuran / 0.25 h / -78 °C

4.2: -78 - 20 °C

With triethylsilane; N-Bromosuccinimide; n-butyllithium; palladium 10% on activated carbon; ammonium acetate; In tetrahydrofuran; methanol; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.bmc.2013.03.079

Reference yield:

: 67015-35-4
7,8-dimethoxy-2,2-dimethyl-2H-benzopyran

: 1435267-52-9
(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanol

Guidance literature:: Multi-step reaction with 3 steps

1.1: palladium 10% on activated carbon; triethylsilane / methanol / 0.25 h / Inert atmosphere

2.1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.33 h / 20 °C

3.1: n-butyllithium / tetrahydrofuran / 0.25 h / -78 °C

3.2: -78 - 20 °C

With triethylsilane; N-Bromosuccinimide; n-butyllithium; palladium 10% on activated carbon; ammonium acetate; In tetrahydrofuran; methanol; acetonitrile;
DOI:10.1016/j.bmc.2013.03.079