rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

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Chemical Name:rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran
CAS No.:53713-36-3
Molecular Formula:C₂₁H₂₆O₃
Molecular Weight:326.436
Hs Code.:

Synonyms:rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

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Chemical Property of rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

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Technology Process of rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

There total 4 articles about rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran 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: 97.0%

: 53209-24-8,98777-24-3
2,5,7,8-tetramethyl-2-methoxy-6-hydroxychroman

: 100-44-7
benzyl chloride

: 53713-36-3
rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

Guidance literature:: With potassium carbonate; In acetone; at 20 ℃; for 24h;
DOI:10.1002/chem.200600849

Reference yield: 70.0%

: 53209-24-8,98777-24-3
2,5,7,8-tetramethyl-2-methoxy-6-hydroxychroman

: 100-39-0
benzyl bromide

: 53713-36-3
rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

Guidance literature:: 2,5,7,8-tetramethyl-2-methoxy-6-hydroxychroman; With sodium hydride; In tetrahydrofuran; mineral oil; at 0 ℃; for 0.166667h; Inert atmosphere;

benzyl bromide; In tetrahydrofuran; mineral oil; at 0 - 20 ℃; Inert atmosphere;
DOI:10.1002/chem.201403768

Reference yield:

: 700-13-0
Trimethylhydroquinone

: 53713-36-3
rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

Guidance literature:: Multi-step reaction with 2 steps

1: 94 percent / sulfuric acid / methanol / 48 h / 20 °C

2: 97 percent / K₂CO₃ / acetone / 24 h / 20 °C

With sulfuric acid; potassium carbonate; In methanol; acetone;
DOI:10.1002/chem.200600849