2-METHYL-1-PENTEN-3-YNE

Base Information

• Chemical Name: 2-METHYL-1-PENTEN-3-YNE
• CAS No.: 926-55-6
• Molecular Formula: C6H8
• Molecular Weight: 80.1295
• Hs Code.: 2901299090
• Mol file: 926-55-6.mol

Synonyms:2-Methyl-1-penten-3-yne;Methylisopropenylacetylene

Chemical Property of 2-METHYL-1-PENTEN-3-YNE

Chemical Property:

• Vapor Pressure: 79.7mmHg at 25°C
• Refractive Index: 1.4002
• Boiling Point: 84.8°Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.757g/cm³
• LogP: 1.58580

Purity/Quality:

99% ^*data from raw suppliers

2-METHYL-1-PENTEN-3-YNE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-METHYL-1-PENTEN-3-YNE

There total 14 articles about 2-METHYL-1-PENTEN-3-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: 38.0%

2-(prop-1-ynyl)-2,5,5-trimethylcyclopentanone (110655-98-6) → 2-methyl-1-penten-3-yne (926-55-6) + 1,2,2-trimethyl-1-(1-propynyl)cyclobutane (110656-00-3) + (E)-5-ethylidene-1,4,4-trimethyl-cyclopentene + (E)-2,2,5-trimethyloct-4-en-6-ynal

Guidance literature:

In pentane; for 72h; Further byproducts given; Irradiation;

DOI:10.1002/hlca.19870700210

Reference yield: 38.0%

2-(prop-1-ynyl)-2,5,5-trimethylcyclopentanone (110655-98-6) → 2-methyl-1-penten-3-yne (926-55-6) + 1,2,2-trimethyl-1-(1-propynyl)cyclobutane (110656-00-3) + (Z)-2,2,5-trimethyloct-4-en-6-ynal + (E)-2,2,5-trimethyloct-4-en-6-ynal

Guidance literature:

In pentane; for 72h; Further byproducts given; Irradiation;

DOI:10.1002/hlca.19870700210

Reference yield: 30.5%

1,2-propanediene (463-49-0) → 2-methyl-1-penten-3-yne (926-55-6) + 4,6-Dimethyl-2-pyron (675-09-2) + 3-Eth-(Z)-ylidene-2-methyl-hex-1-en-4-yne (76003-39-9) + 2-methyl-2-propenoic acid, 3-methyl-2-methylene-3-butenyl ester (76003-37-7) + (E)-But-2-enoic acid 3-methyl-2-methylene-but-3-enyl ester (76003-38-8) + 2,3-dimethyl-buta-1,3-diene (513-81-5)

Guidance literature:

With carbon dioxide; Product distribution; effect of different catalist discussed;

DOI:10.1016/S0040-4039(00)77396-5

upstream raw materials:

diethyl ether

4-chloro-4-methylpent-2-yne

methylmagnesium bromide

acetone

Downstream raw materials:

1-Methyl-1--cyclopropan-carbonsaeure-(2)

2-methyl-pent-1-en-3-one-(2,4-dinitro-phenylhydrazone)

Methyl-1-propenyl-1-diphenyl-2,2-cyclopropan

Refernces

• 1、 Rudolph, Andreas,Margaretha, Paul,Agosta, William C.. "Photodecarbonylation of 2,5,5,-Trimethyl-2-(1-propynyl)cyclopentanone. 1,5- vs. 1,4-Ring Closure of a Propargyl-Alkyl Biradical". . p. 339 - 341. Retrieved 2007/10/02.
• 2、 Deohring, A.,Jolly, P. W.. "THE PALLADIUM CATALYZED REACTION OF CARBON DIOXIDE WITH ALLENE". . p. 3021 - 3024. Retrieved 2007/10/02.