[3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane

Base Information

• Chemical Name: [3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane
• CAS No.: 903504-04-1
• Molecular Formula: C₂₆H₃₁F₃O₂Si
• Molecular Weight: 460.612

Synonyms:[3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane

Chemical Property of [3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane

Chemical Property:

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Technology Process of [3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane

There total 3 articles about [3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane 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: 47.0%

(3-bromo-4-phenyl-2-trifluoromethyl-but-2-enyloxy)-tert-butyl-dimethyl-silane (903503-87-7) + 4-methoxyphenylacetylen (768-60-5) → [3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane (903504-04-1)

Guidance literature:

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine;

DOI:10.1016/j.tetlet.2006.04.110

Reference yield:

1,1,1-trifluoro-2-[(tert-butyldimethylsilyloxy)methyl]-3,3-dibromo-prop-2-ene → [3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane (903504-04-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: n-BuLi / tetrahydrofuran / -78 °C

1.2: 58 percent / tetrahydrofuran

2.1: 47 percent / Pd(PPh₃)2Cl₂; CuI; Et₂NH

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; n-butyllithium; diethylamine; In tetrahydrofuran; 2.1: Sonogashira reaction;

DOI:10.1016/j.tetlet.2006.04.110

Reference yield:

benzyl bromide (100-39-0) → [3-benzyl-5-(4-methoxy-phenyl)-2-trifluoromethyl-pent-2-en-4-ynyloxy]-tert-butyl-dimethyl-silane (903504-04-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: n-BuLi / tetrahydrofuran / -78 °C

1.2: 58 percent / tetrahydrofuran

2.1: 47 percent / Pd(PPh₃)2Cl₂; CuI; Et₂NH

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; n-butyllithium; diethylamine; In tetrahydrofuran; 2.1: Sonogashira reaction;

DOI:10.1016/j.tetlet.2006.04.110

upstream raw materials:

(3-bromo-4-phenyl-2-trifluoromethyl-but-2-enyloxy)-tert-butyl-dimethyl-silane

4-methoxyphenylacetylen

benzyl bromide

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