5,5-DIETHOXY-3-PENTYN-2-ONE

Base Information

• Chemical Name: 5,5-DIETHOXY-3-PENTYN-2-ONE
• CAS No.: 55402-04-5
• Molecular Formula: C9H14O3
• Molecular Weight: 170.2057
• Hs Code.: 2914509090
• Mol file: 55402-04-5.mol

Synonyms:5,5-DIETHOXY-3-PENTYN-2-ONE;1,1-diethoxypent-2-yn-4-one;5,5-diethoxy-pent-3-yn-2-one;3-Pentyn-2-one,5,5-diethoxy;5,5-diethoxypent-3-yne-2-one;

Chemical Property of 5,5-DIETHOXY-3-PENTYN-2-ONE

Chemical Property:

• Vapor Pressure: 0.151mmHg at 25°C
• Boiling Point: 215.1°Cat760mmHg
• Flash Point: 84°C
• PSA: 35.53000
• Density: 0.997g/cm³
• LogP: 0.97790

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,5-DIETHOXY-3-PENTYN-2-ONE

There total 5 articles about 5,5-DIETHOXY-3-PENTYN-2-ONE 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%

4-hydroxy-2-pentylacetaldehyde diethyl acetal (18350-46-4) → 5,5-diethoxy-3-pentyn-2-one (55402-04-5)

Guidance literature:

With dipyridinium dichromate; 3 A molecular sieve; In dichloromethane; for 1h; Ambient temperature;

DOI:10.1016/S0040-4020(01)81757-9

Reference yield: 72.0%

Propiolaldehyde diethyl acetal (10160-87-9) + N-Methoxy-N-methylacetamide (78191-00-1) → 5,5-diethoxy-3-pentyn-2-one (55402-04-5)

Guidance literature:

Propiolaldehyde diethyl acetal; With n-butyllithium; In tetrahydrofuran; hexane; at -30 ℃; for 0.5h;

N-Methoxy-N-methylacetamide; In tetrahydrofuran; hexane; at -30 ℃; for 0.5h;

DOI:10.1016/j.tetlet.2006.11.090

Reference yield: 62.0%

Propiolaldehyde diethyl acetal (10160-87-9) + acetyl chloride (75-36-5) → 5,5-diethoxy-3-pentyn-2-one (55402-04-5)

Guidance literature:

With n-butyllithium; zinc(II) chloride;

DOI:10.1016/S0040-4020(01)81757-9

upstream raw materials:

4-hydroxy-2-pentylacetaldehyde diethyl acetal

Propiolaldehyde diethyl acetal

acetyl chloride

3,3-diethoxy-1-(tributylstannyl)prop-1-yne

Downstream raw materials:

(S)-2-{[5-(3-hydroxy-benzylcarbamoyl)-3-methyl-thiophen-2-carbonyl]-amino}-3-[(thiophene-2-carbonyl)-amino]-propionic acid

(S)-2-({5-[1-(3-hydroxy-phenyl)-ethylcarbamoyl]-3-methyl-thiophen-2-carbonyl}-amino)-3-[(thiophene-2-carbonyl)-amino]-propionic acid

(S)-3-(3,5-dihydroxy-benzoylamino)-2-{[5-(3-hydroxy-benzylcarbamoyl)-3-methyl-thiophen-2-carbonyl]-amino}-propionic acid

(S)-3-[(2,6-dimethoxy-pyrimidine-4-carbonyl)-amino]-2-{[5-(3-hydroxy-benzylcarbamoyl)-3-methyl-thiophene-2-carbonyl]-amino}-propionic acid

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