1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene

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Chemical Name:1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene
CAS No.:849100-11-4
Molecular Formula:C₂₁H₃₆O₇Si₂
Molecular Weight:456.684
Hs Code.:

Synonyms:1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene

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Chemical Property of 1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene

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Technology Process of 1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene

There total 3 articles about 1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene 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%

: 849100-09-0
(Z)-4-Methoxy-2-(3,4,5-trimethoxy-phenyl)-3-trimethylsilanyloxy-but-2-enoic acid methyl ester

: 75-77-4
chloro-trimethyl-silane

: 849100-11-4
1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene

Guidance literature:: (Z)-4-Methoxy-2-(3,4,5-trimethoxy-phenyl)-3-trimethylsilanyloxy-but-2-enoic acid methyl ester; With lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃; for 1h;

chloro-trimethyl-silane; In tetrahydrofuran; at -78 - 20 ℃; for 12h;
DOI:10.1016/j.tet.2004.12.048

Reference yield:

: 849100-06-7
4-methoxy-3-oxo-2-(3,4,5-trimethoxy-phenyl)-butyric acid methyl ester

: 849100-11-4
1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene

Guidance literature:: Multi-step reaction with 2 steps

1.1: 72 percent / triethylamine / benzene / 72 h / 20 °C

2.1: LDA / tetrahydrofuran / 1 h / -78 °C

2.2: 96 percent / tetrahydrofuran / 12 h / -78 - 20 °C

With triethylamine; lithium diisopropyl amide; In tetrahydrofuran; benzene;
DOI:10.1016/j.tet.2004.12.048

Reference yield:

: 2989-06-2
methyl 2-(3,4,5-trimethoxyphenyl)acetate

: 849100-11-4
1,2,3-Trimethoxy-5-{(E)-3-methoxy-1-[1-methoxy-1-trimethylsilanyloxy-meth-(E)-ylidene]-2-trimethylsilanyloxy-allyl}-benzene

Guidance literature:: Multi-step reaction with 3 steps

1.1: LDA / tetrahydrofuran / 1 h / -78 °C

1.2: 62 percent / tetrahydrofuran / 12 h / -78 - 20 °C

2.1: 72 percent / triethylamine / benzene / 72 h / 20 °C

3.1: LDA / tetrahydrofuran / 1 h / -78 °C

3.2: 96 percent / tetrahydrofuran / 12 h / -78 - 20 °C

With triethylamine; lithium diisopropyl amide; In tetrahydrofuran; benzene;
DOI:10.1016/j.tet.2004.12.048