2-Methyl-1,1-diphenylpropene

Base Information

• Chemical Name: 2-Methyl-1,1-diphenylpropene
• CAS No.: 781-33-9
• Molecular Formula: C16H16
• Molecular Weight: 208.303
• NSC Number: 27917
• DSSTox Substance ID: DTXSID80282761
• Nikkaji Number: J282.450G,J2.628.611E
• Wikidata: Q82017117
• Mol file: 781-33-9.mol

Synonyms:2-Methyl-1,1-diphenylpropene;781-33-9;1,1-Diphenyl-2-methylpropene;1,1-Diphenylisobutylene;Benzene, 1,1'-(2-methyl-1-propenylidene)bis-;(2-methyl-1-phenylprop-1-enyl)benzene;Propene, 2-methyl-1,1-diphenyl-;NSC27917;DTXSID80282761;JHLNLKYQTWQERE-UHFFFAOYSA-N;1,1-Dimethyl-2,2-diphenylethene;1,1-diphenyl-2-methyl-1-propene;1,1-Dimethyl-2,2-diphenylethylene;NSC-27917;(2-Methyl-1-phenyl-1-propenyl)benzene;(2-Methylprop-1-ene-1,1-diyl)dibenzene;(2-Methyl-1-phenyl-1-propenyl)benzene #;Benzene,1'-(2-methyl-1-propenylidene)bis-;(2-METHYL-1-PHENYLPROP-1-EN-1-YL)BENZENE

Chemical Property of 2-Methyl-1,1-diphenylpropene

Chemical Property:

• Boiling Point: 297.2°Cat760mmHg
• Flash Point: 135.9°C
• PSA: 0.00000
• Density: 0.977g/cm³
• LogP: 4.52830
• XLogP3: 5.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 208.125200510
• Heavy Atom Count: 16
• Complexity: 213

Purity/Quality:

99%min ^*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

Technology Process of 2-Methyl-1,1-diphenylpropene

There total 93 articles about 2-Methyl-1,1-diphenylpropene 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: 100.0%

3,3-dimethyl-4,4-diphenyloxetan-2-one (35947-66-1) → 2-methyl-1,1-diphenylpropene (781-33-9)

Guidance literature:

N,N,N,N,-tetramethylethylenediamine; In decane; at 150 ℃; Rate constant;

DOI:10.1021/jo01300a017

Reference yield: 90.0%

C17H20O → 2-methyl-1,1-diphenylpropene (781-33-9)

Guidance literature:

With acetyl chloride; zinc; In Petroleum ether; at 28 ℃; for 2h;

DOI:10.1021/jo00108a048

Reference yield: 87.0%

1,1-difluoro-2,2-diphenylethylene (569-72-2) + methylmagnesium chloride (676-58-4) → 2-methyl-1,1-diphenylpropene (781-33-9)

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; In diethyl ether; at 20 ℃; for 2h; Inert atmosphere; Reflux;

DOI:10.1021/jo5022234

upstream raw materials:

benzophenone

isopropylmagnesium iodide

2-methyl-1,1-diphenyl-propan-1-ol

(1-ethoxy-2-methyl-1-propenyl)benzene

Downstream raw materials:

3-methyl-4,4-diphenyl-but-3-enoic acid

4-methyl-3,3-diphenyl-[1,2]oxathiolane-2,2-dioxide

1,1-diphenyl-2-methylpropane

2,2-diphenyl-3-methylbutanoic acid

Refernces

• 1、 -. "Method for hydrocarbylation synthesis of trisubstituted and tetrasubstituted olefins from non-terminal olefins". Paragraph 0054-0063; 0079-0081. . Retrieved 2021/02/06.
• 2、 López, Jesús García,Sansores Peraza, Pablo M.,Iglesias, María José,Roces, Laura,García-Granda, Santiago,Ortiz, Fernando López. "Spiro[1,2]oxaphosphetanes of nonstabilized and semistabilized phosphorus ylide derivatives: Synthesis and kinetic and computational study of their thermolysis". . p. 14570 - 14591. Retrieved 2020/11/20.