3,4-Dihydro-1-methylnaphthalene

Base Information

• Chemical Name: 3,4-Dihydro-1-methylnaphthalene
• CAS No.: 4373-13-1
• Molecular Formula: C11H12
• Molecular Weight: 144.216
• Hs Code.: 2902909090
• Mol file: 4373-13-1.mol

Synonyms:1-methyl-3,4-dihydronaphthalene;1,2-dihydro-4-methylnaphthalene;dihydro-3,4 naphtalene;9G-902;Naphthalene,1,2-dihydro-4-methyl;3,4-dihydro-1-methyl naphthalene;Naphthalene, 1,2-dihydro-4-methyl-;

Chemical Property of 3,4-Dihydro-1-methylnaphthalene

Chemical Property:

• Refractive Index: 1.5758
• Boiling Point: 197.84°C (rough estimate)
• PSA: 0.00000
• Density: 0.9895
• LogP: 3.03610

Purity/Quality:

98%,99%, ^*data from raw suppliers

4-METHYL-1,2-DIHYDRONAPHTHALENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3,4-Dihydro-1-methylnaphthalene

There total 3 articles about 3,4-Dihydro-1-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:

2-cyclopropyl-2-phenylpropiophenone (123078-57-9) → 4-methyl-1,2-dihydronaphthalene (4373-13-1) + (E)-pent-2-en-2-ylbenzene (70303-28-5) + α-cyclopropyl ethyl benzene (16510-30-8) + 1-Methylnaphthalene (90-12-0,34475-76-8)

Guidance literature:

With sodium amide; In benzene; for 12h; Yield given. Yields of byproduct given; Heating;

DOI:10.1021/jo00282a020

Reference yield:

1-methyl-1,2-dihydronaphthalene (98213-30-0,20847-80-7) → naphthalene (91-20-3,71998-51-1,72931-45-4) + 4-methyl-1,2-dihydronaphthalene (4373-13-1) + 2-methyl-3,4-dihydronaphthalene (2717-44-4) + cis-1-propenyl-2-vinylbenzene (34601-24-6)

Guidance literature:

under 0.2 Torr; Product distribution; Ambient temperature; Irradiation;

Reference yield:

2-cyclopropyl-2-phenylpropiophenone (123078-57-9) → 4-methyl-1,2-dihydronaphthalene (4373-13-1) + (E)-pent-2-en-2-ylbenzene (70303-28-5) + α-cyclopropyl ethyl benzene (16510-30-8)

Guidance literature:

With lithium amide; In benzene; for 90h; Yield given. Yields of byproduct given; Heating;

DOI:10.1021/jo00282a020

upstream raw materials:

1-methyl-1,2-dihydronaphthalene

2-cyclopropyl-2-phenylpropiophenone

Downstream raw materials:

3-(2-acetylphenyl)propanal

4-(4-methoxy-benzyl)-3-methyl-1,2,3,4,5,6-hexahydro-benzo[f]isoquinoline

1-methyl-2-tetralone

1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one

Refernces

• 1、 Paquette, Leo A.,Maynard, George D.. "Ring and C-O Bond Fragmentation as Tools for Fingerprinting the Extent of Homolysis during Base-Catalyzed Carbon-Carbon Bond Cleavages of the Haller-Bauer, Cram, and Gilday Types". . p. 5054 - 5063. Retrieved 2007/10/02.