(S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate

Base Information

• Chemical Name: (S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate
• CAS No.: 1002090-21-2
• Molecular Formula: C₂₅H₃₀O₄
• Molecular Weight: 394.511

Synonyms:(S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate

Chemical Property of (S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate

Chemical Property:

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Technology Process of (S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate

There total 1 articles about (S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate 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%

diethoxyphosphoryl-acetic acid ethyl ester (867-13-0) + (+) (S)-6-benzyloxy-2,5,7,8-tetramethyl-chroman-2-carbaldhyde (69400-39-1) → (S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate (1002090-21-2)

Guidance literature:

diethoxyphosphoryl-acetic acid ethyl ester; With n-butyllithium; In 1,2-dimethoxyethane; hexane; at 20 - 22 ℃; for 0.5h;

(+) (S)-6-benzyloxy-2,5,7,8-tetramethyl-chroman-2-carbaldhyde; In 1,2-dimethoxyethane; hexane; at 20 - 22 ℃; for 29h; Further stages.;

DOI:10.1002/anie.200703268

Reference yield: 98.0%

(S,E)-ethyl-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)acrylate (1002090-21-2) → (S)-(E)-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)-prop-2-en-1-ol (1002090-30-3)

Guidance literature:

With diisobutylaluminium hydride; In dichloromethane; at -78 ℃; for 2h;

DOI:10.1002/anie.200703268

upstream raw materials:

diethoxyphosphoryl-acetic acid ethyl ester

(+) (S)-6-benzyloxy-2,5,7,8-tetramethyl-chroman-2-carbaldhyde

Downstream raw materials:

(S)-(E)-3-(6-benzyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)-prop-2-en-1-ol

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