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

Base Information

Chemical Name:(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanone
CAS No.:1435267-65-4
Molecular Formula:C₂₉H₃₂O₇
Molecular Weight:492.569
Hs Code.:

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

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

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

There total 5 articles about (2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanone 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: 96.0%

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

: 1435267-65-4
(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanone

Guidance literature:: With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In dimethyl sulfoxide; for 12h;
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

: 1435267-65-4
(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanone

Guidance literature:: Multi-step reaction with 5 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

5.1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dimethyl sulfoxide / 12 h

With triethylsilane; N-Bromosuccinimide; n-butyllithium; palladium 10% on activated carbon; ammonium acetate; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In tetrahydrofuran; methanol; dimethyl sulfoxide; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.bmc.2013.03.079

Reference yield:

: 36772-93-7
7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran

: 1435267-65-4
(2-(benzyloxy)-4,5-dimethoxyphenyl)(7,8-dimethoxy-2,2-dimethyl-3,4-dihydrobenzopyran-6-yl)methanone

Guidance literature:: Multi-step reaction with 3 steps

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

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

2.2: -78 - 20 °C

3.1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dimethyl sulfoxide / 12 h

With N-Bromosuccinimide; n-butyllithium; ammonium acetate; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In tetrahydrofuran; dimethyl sulfoxide; acetonitrile;
DOI:10.1016/j.bmc.2013.03.079