-acetaldehyde

Base Information

• Chemical Name: -acetaldehyde
• CAS No.: 108763-72-0
• Molecular Formula: C₁₉H₁₈O₅
• Molecular Weight: 326.349

Synonyms:-acetaldehyde

Chemical Property of -acetaldehyde

Chemical Property:

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Technology Process of -acetaldehyde

There total 5 articles about -acetaldehyde 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: 86.0%

2-(r-2-phenyl-c-4-(3',4'-methylenedioxyphenyl)-1,3-dioxan-c-5-yl)-ethanol (108763-71-9) → -acetaldehyde (108763-72-0)

Guidance literature:

With dipyridine chromium trioxide; In dichloromethane; for 0.25h;

DOI:10.1016/S0040-4020(01)87655-9

Reference yield:

piperonal (120-57-0,30024-74-9) → -acetaldehyde (108763-72-0)

Guidance literature:

Multi-step reaction with 4 steps

1: 1.) (i.Pr)2NH, n.BuLi / 1.) THF/hexane, -78 deg C, 45 min, 2.) THF/hexane, -78 deg C, 30 min

2: 95 percent / LiAlH₄ / tetrahydrofuran / 2 h / 0 °C

3: 70 percent / CuSO₄ / CHCl₃ / 48 h / Ambient temperature

4: 86 percent / CrO_3.Py₂ / CH₂Cl₂ / 0.25 h

With lithium aluminium tetrahydride; n-butyllithium; dipyridine chromium trioxide; copper(II) sulfate; diisopropylamine; In tetrahydrofuran; dichloromethane; chloroform;

DOI:10.1016/S0040-4020(01)87655-9

Reference yield:

benzaldehyde (100-52-7) → -acetaldehyde (108763-72-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 70 percent / CuSO₄ / CHCl₃ / 48 h / Ambient temperature

2: 86 percent / CrO_3.Py₂ / CH₂Cl₂ / 0.25 h

With dipyridine chromium trioxide; copper(II) sulfate; In dichloromethane; chloroform;

DOI:10.1016/S0040-4020(01)87655-9

upstream raw materials:

2-(r-2-phenyl-c-4-(3',4'-methylenedioxyphenyl)-1,3-dioxan-c-5-yl)-ethanol

piperonal

benzaldehyde

syn-2-hydroxymethyl-1-(3',4'-methylenedioxyphenyl)-butane-1,4-diol

Downstream raw materials:

(2R,3R)-2-((2R,4S,5S)-4-Benzo[1,3]dioxol-5-yl-2-phenyl-[1,3]dioxan-5-yl)-3-hydroxy-3-(3,4,5-trimethoxy-phenyl)-propionic acid methyl ester

(2S,3S)-2-((2R,4S,5S)-4-Benzo[1,3]dioxol-5-yl-2-phenyl-[1,3]dioxan-5-yl)-3-hydroxy-3-(3,4,5-trimethoxy-phenyl)-propionic acid methyl ester

2-((2R,4S,5S)-4-Benzo[1,3]dioxol-5-yl-2-phenyl-[1,3]dioxan-5-yl)-3-(3,4,5-trimethoxy-phenyl)-propionic acid methyl ester

(3aR,6aR)-4-Benzo[1,3]dioxol-5-yl-6-(3,4,5-trimethoxy-phenyl)-tetrahydro-furo[3,4-c]furan-1-one

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