(R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde

Base Information

• Chemical Name: (R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde
• CAS No.: 331273-72-4
• Molecular Formula: C₂₁H₃₂O₃
• Molecular Weight: 332.483

Synonyms:(R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde

Chemical Property of (R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde

Chemical Property:

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Technology Process of (R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde

There total 2 articles about (R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde 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: 91.0%

(R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butan-1-ol (331273-71-3) → (R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde (331273-72-4)

Guidance literature:

With pyridine; Dess-Martin periodane; In dichloromethane; at 20 ℃; for 2.5h;

DOI:10.1021/ja003745d

Reference yield:

2-((S)-1-Allyl-pentyl)-1,3-dimethoxy-5-((R)-4-methoxymethoxy-2-methyl-butyl)-benzene (246144-79-6) → (R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde (331273-72-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 100 percent / aq. HCl / methanol / 1.5 h / Heating

2: 91 percent / Dess-Martin periodinane; pyridine / CH₂Cl₂ / 2.5 h / 20 °C

With pyridine; hydrogenchloride; Dess-Martin periodane; In methanol; dichloromethane; 2: Dess-Martin oxidation;

DOI:10.1021/ja0106164

Reference yield: 88.0%

(R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyraldehyde (331273-72-4) + {(R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butyl}-triphenyl-phosphonium; iodide → C42H64O4

Guidance literature:

With potassium hexamethylsilazane; In tetrahydrofuran; toluene; at -78 ℃; for 1.5h;

DOI:10.1021/ja003745d

upstream raw materials:

(R)-4-[4-((S)-1-Allyl-pentyl)-3,5-dimethoxy-phenyl]-3-methyl-butan-1-ol

2-((S)-1-Allyl-pentyl)-1,3-dimethoxy-5-((R)-4-methoxymethoxy-2-methyl-butyl)-benzene

Downstream raw materials:

C₄₂H₆₄O₄

C₄₂H₆₄O₄

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