2-Methyl-3,3-diphenylpropanoic acid

Base Information

• Chemical Name: 2-Methyl-3,3-diphenylpropanoic acid
• CAS No.: 5292-20-6
• Molecular Formula: C₁₆H₁₆O₂
• Molecular Weight: 240.302
• NSC Number: 120396
• DSSTox Substance ID: DTXSID00298046
• Nikkaji Number: J3.296.409E
• Mol file: 5292-20-6.mol

Synonyms:2-methyl-3,3-diphenylpropanoic acid;5292-20-6;NSC120396;SCHEMBL4098441;DTXSID00298046;AKOS010488472;NSC-120396;EN300-1865680

Chemical Property of 2-Methyl-3,3-diphenylpropanoic acid

Chemical Property:

• Vapor Pressure: 5.37E-06mmHg at 25°C
• Boiling Point: 365.9°Cat760mmHg
• Flash Point: 262.8°C
• Density: 1.122g/cm³
• XLogP3: 3.7
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 4
• Exact Mass: 240.115029749
• Heavy Atom Count: 18
• Complexity: 244

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(C(C1=CC=CC=C1)C2=CC=CC=C2)C(=O)O

Technology Process of 2-Methyl-3,3-diphenylpropanoic acid

There total 14 articles about 2-Methyl-3,3-diphenylpropanoic acid 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: 82.0%

1,1-diphenyl-1-propene (778-66-5) + carbon dioxide (124-38-9,18923-20-1) → α-methyl-β,β-diphenylpropionic acid (5292-20-6,68975-05-3,68975-06-4)

Guidance literature:

1,1-diphenyl-1-propene; carbon dioxide; With triethylsilane; Triphenylsilyl chloride; ethylaluminum dichloride; In hexane; toluene; at 80 ℃; for 24h; under 22502.3 Torr; Autoclave;

With hydrogenchloride; In hexane; toluene; Reagent/catalyst; Solvent; Temperature; regioselective reaction; Autoclave;

DOI:10.1016/j.tetlet.2015.04.090

Reference yield: 73.0%

α-methyl-β,β-diphenyl-methyl propionate (114916-90-4) → α-methyl-β,β-diphenylpropionic acid (5292-20-6,68975-05-3,68975-06-4)

Guidance literature:

With sodium hydroxide; In methanol; for 1h; Heating;

Reference yield: 72.0%

1,1-bis(trimethylsilyloxy)prop-1-ene (31469-22-4) + diphenylchloromethane (90-99-3) → α-methyl-β,β-diphenylpropionic acid (5292-20-6,68975-05-3,68975-06-4)

Guidance literature:

With zinc(II) chloride; at 0 ℃; for 1h;

upstream raw materials:

benzhydryl sodium

Ethyl 2-bromopropionate

2-methyl-3,3-diphenyl-2-propenoic acid

α-methylcinnamic acid

Downstream raw materials:

benzophenone

1-Methoxy-1,2-diphenyl-propan

2-methyl-3-phenyl-1-indanone

α-methyl-β,β-diphenylpropionyl chloride

Refernces

• 1、 Tanaka, Shinya,Tanaka, Yuuki,Chiba, Masafumi,Hattori, Tetsutaro. "Lewis acid-mediated β-selective hydrocarboxylation of α,α-diaryl- and α-arylalkenes with R3SiH and CO2". . p. 3830 - 3834. Retrieved 2015/06/08.
• 2、 Reetz, Manfred T.,Walz, Peter,Huebner, Friedhelm,Huettenhain, Stefan H.,Heimbach, Horst,Schwellnus, Konrad. "Regioselective Lewis Acid-mediated α-sec-Alkylation of Carbonyl Compounds". . p. 322 - 335. Retrieved 2007/10/02.