1-ethyl-8-methylnaphthalene

Base Information

• Chemical Name: 1-ethyl-8-methylnaphthalene
• CAS No.: 61886-71-3
• Molecular Formula: C13H14
• Molecular Weight: 170.2503
• Mol file: 61886-71-3.mol

Synonyms:

Chemical Property of 1-ethyl-8-methylnaphthalene

Chemical Property:

• Vapor Pressure: 0.00678mmHg at 25°C
• Boiling Point: 279.5°C at 760 mmHg
• Flash Point: 122.2°C
• Density: 0.986g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-ethyl-8-methylnaphthalene

There total 8 articles about 1-ethyl-8-methylnaphthalene 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: 97.0%

1-(1-Chloro-ethyl)-8-methyl-naphthalene (81603-34-1) → 1-ethyl-8-methylnaphthalene (61886-71-3)

Guidance literature:

With lithium triethylborohydride; In tetrahydrofuran; for 2h; Ambient temperature;

DOI:10.1021/jo00134a015

Reference yield: 30.0%

8-methyl-1-naphthyl methyl ketone (67757-66-8) → 1-ethyl-7-methyl-naphthalene (31032-92-5) + 1-ethyl-8-methylnaphthalene (61886-71-3)

Guidance literature:

With lithium aluminium tetrahydride; aluminium trichloride;

DOI:10.1021/jo00134a015

Reference yield:

1H,3H-benzo[de]isochromen-1-one (518-86-5) → 1-ethyl-8-methylnaphthalene (61886-71-3)

Guidance literature:

Multi-step reaction with 5 steps

1: 72 percent / H₂ / 5percent Pd/C / acetic acid / 24 h / 60 °C / 2844.3 - 3102.9 Torr

2: 98 percent / diethyl ether

3: HCl / diethyl ether / 15 h / Ambient temperature

4: 58 percent / 10percent Pd/C / 12 h / 280 - 290 °C

5: LAH/AlCl₃

With hydrogenchloride; lithium aluminium tetrahydride; aluminium trichloride; hydrogen; palladium on activated charcoal; In diethyl ether; acetic acid;

DOI:10.1021/jo00134a015

upstream raw materials:

8-methyl-1-naphthyl methyl ketone

1-(1-Chloro-ethyl)-8-methyl-naphthalene

1H,3H-benzo[de]isochromen-1-one

8-methyl-1,2,3,4-tetrahydro-1-naphthoic acid

Refernces