1(2H)-Naphthalenone, 3,4-dihydro-2-[(2-methylphenyl)methylene]-

Base Information

• Chemical Name: 1(2H)-Naphthalenone, 3,4-dihydro-2-[(2-methylphenyl)methylene]-
• CAS No.: 54752-32-8
• Molecular Formula: C18H16O
• Molecular Weight: 248.324
• DSSTox Substance ID: DTXSID90369739

Synonyms:54752-32-8;1(2H)-Naphthalenone, 3,4-dihydro-2-[(2-methylphenyl)methylene]-;DTXSID90369739;AKOS034380419

Chemical Property of 1(2H)-Naphthalenone, 3,4-dihydro-2-[(2-methylphenyl)methylene]-

Chemical Property:

• XLogP3: 4.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 248.120115130
• Heavy Atom Count: 19
• Complexity: 368

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC=CC=C1C=C2CCC3=CC=CC=C3C2=O

Technology Process of 1(2H)-Naphthalenone, 3,4-dihydro-2-[(2-methylphenyl)methylene]-

There total 4 articles about 1(2H)-Naphthalenone, 3,4-dihydro-2-[(2-methylphenyl)methylene]- 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: 90.0%

2-methyl-benzyl alcohol (89-95-2) + 3,4-dihydronaphthalene-1(2H)-one (529-34-0) → (E)-2-(2-methylbenzylidene)-3,4-dihydronaphthalen-1-(2H)-one (54752-32-8)

Guidance literature:

With (4-Me)Triaz(NHPⁱPr₂)₂Mn(CO)₂Br; caesium carbonate; In tert-Amyl alcohol; at 135 ℃; Schlenk technique; Inert atmosphere;

DOI:10.1021/acs.orglett.9b01327

Reference yield:

2-methylphenyl aldehyde (529-20-4) + 3,4-dihydronaphthalene-1(2H)-one (529-34-0) → (E)-2-(2-methylbenzylidene)-3,4-dihydronaphthalen-1-(2H)-one (54752-32-8)

Guidance literature:

With potassium hydroxide;

DOI:10.1039/jr9400000636

Reference yield:

2-methylphenyl aldehyde (529-20-4) + 3,4-dihydronaphthalene-1(2H)-one (529-34-0) → C18H16O (54752-32-8)

Guidance literature:

With sodium hydroxide; In ethanol; water; at 20 ℃; for 2h;

DOI:10.1039/c5ra02576a

upstream raw materials:

2-methylphenyl aldehyde

3,4-dihydronaphthalene-1(2H)-one

1,2,3,4-tetrahydro-1-naphthyl hydroperoxide

2-methyl-benzyl alcohol

Downstream raw materials:

(2R,3'S)-3'-(2-methphenyl)-3,4-dihydro-1H-spiro[naphthalene-2,2'-oxiran]-1-one

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