1-PENTEN-4-YNE

Base Information

• Chemical Name: 1-PENTEN-4-YNE
• CAS No.: 871-28-3
• Molecular Formula: C5H6
• Molecular Weight: 66.1026
• Hs Code.: 2901299090
• Mol file: 871-28-3.mol

Synonyms:4-Penten-1-yne;Allylacetylene; Vinyl(ethynyl)methane

Chemical Property of 1-PENTEN-4-YNE

Chemical Property:

• Vapor Pressure: 403mmHg at 25°C
• Melting Point: -113°C (estimate)
• Refractive Index: 1.42
• Boiling Point: 42-43°C
• PSA: 0.00000
• Density: 0,78 g/cm3
• LogP: 1.19570

Purity/Quality:

98%min ^*data from raw suppliers

1-?Penten-?4-?yne ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 1-?Penten-?4-?yne is a building block used in organic synthesis. Used in the synthesis of trocheliophorolides as well as in the enantioselective synthesis of nonracemic geminal silylboronates.

Technology Process of 1-PENTEN-4-YNE

There total 8 articles about 1-PENTEN-4-YNE 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:

1,7-Octadiyne (871-84-1) → styrene (100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6) + ethene (74-85-1) + 1,2-propanediene (463-49-0) + pent-1-en-4-yne (871-28-3) + propynyl radical (6401-87-2,2932-78-7) + 1,3a-dihydropentalene (75759-55-6)

Guidance literature:

at 526.9 - 1196.9 ℃;

Reference yield:

2,5-dimethylfuran (625-86-5) + methylidyne(-d) radical (13776-70-0) → Ketene (463-51-4) + (E)-3-penten-1-yne (2004-69-5) + pent-1-en-4-yne (871-28-3) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8)

Guidance literature:

at 24.84 ℃; Irradiation;

DOI:10.1021/acs.jpca.8b04140

Reference yield:

2,5-dimethylfuran (625-86-5) + methylidyne (3315-37-5) → Ketene (463-51-4) + (E)-3-penten-1-yne (2004-69-5) + pent-1-en-4-yne (871-28-3) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8)

Guidance literature:

at 24.84 ℃; Irradiation;

DOI:10.1021/acs.jpca.8b04140

upstream raw materials:

1,7-Octadiyne

Cyclopropylacetylene

(iodomethylene)cyclobutane

cyclopenta-1,3-diene

Downstream raw materials:

pent-4-en-2-one

1-(pent-4-en-1-yn-1-yl)cyclohexan-1-ol

6-(2,4-Dichlor-phenyl)-hexen-⁽¹⁾-in-⁽⁴⁾-ol-⁽⁶⁾

6-Methyl-6-phenyl-hexen-⁽¹⁾-in-⁽⁴⁾-ol-⁽⁶⁾

Refernces

• 1、 Bouwman, Jordy,Fournier, Martin,Sims, Ian R.,Leone, Stephen R.,Wilson, Kevin R.. "Reaction rate and isomer-specific product branching ratios of C 2H + C4H8: 1-butene, cis -2-butene, trans -2-butene, and isobutene at 79 K". . p. 5093 - 5105. Retrieved 2013/07/25.
• 2、 Miyazaki, Jun,Yamada, Yasuhiro. "Photochemistry of cyclopentadiene isolated in low-temperature argon matrices". . p. 145 - 153. Retrieved 2007/10/03.