PROPA-1,2-DIENE-1,1-DIYLDIBENZENE

Base Information

• Chemical Name: PROPA-1,2-DIENE-1,1-DIYLDIBENZENE
• CAS No.: 14251-57-1
• Molecular Formula: C15H12
• Molecular Weight: 192.26
• Hs Code.: 2902909090
• Mol file: 14251-57-1.mol

Synonyms:Benzene,1,1'-(1,2-propadienylidene)bis- (9CI); Propadiene, 1,1-diphenyl- (6CI,7CI,8CI);1,1-Diphenyl-1,2-propadiene; 1,1-Diphenylallene

Chemical Property of PROPA-1,2-DIENE-1,1-DIYLDIBENZENE

Chemical Property:

• Vapor Pressure: 0.000726mmHg at 25°C
• Refractive Index: 1.572
• Boiling Point: 317.2°C at 760 mmHg
• Flash Point: 151.4°C
• PSA: 0.00000
• Density: 0.975g/cm³
• LogP: 3.90320

Purity/Quality:

95% ^*data from raw suppliers

PROPA-1,2-DIENE-1,1-DIYLDIBENZENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of PROPA-1,2-DIENE-1,1-DIYLDIBENZENE

There total 54 articles about PROPA-1,2-DIENE-1,1-DIYLDIBENZENE 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: 96.0%

1,1-dibromo-2,2-diphenylcyclopropane (17343-74-7) → 1,1-diphenyl-1,2-propadiene (14251-57-1)

Guidance literature:

With ethylmagnesium bromide; In tetrahydrofuran; at 20 ℃; for 0.566667h;

DOI:10.1016/S0040-4020(02)00018-2

Reference yield: 95.0%

1,1-diphenyl-2-propyn-1-yl acetate (3848-49-5) → 1,1-diphenyl-1,2-propadiene (14251-57-1)

Guidance literature:

With samarium diiodide; isopropyl alcohol; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; for 0.0333333h; Ambient temperature;

DOI:10.1016/S0040-4039(00)85178-3

Reference yield: 89.0%

1,1-diphenyl-2-propyn-1-ol (3923-52-2) → 1,1-diphenyl-1,2-propadiene (14251-57-1)

Guidance literature:

With trifluorormethanesulfonic acid; 2-nitrobenzenesulfonyl hydrazide; silver trifluoromethanesulfonate; In nitromethane; at 35 ℃; for 0.5h;

DOI:10.1002/chem.201404692

upstream raw materials:

1,1-dibromo-2,2-diphenylcyclopropane

propynal diacetate

benzhydrylidene-succinic acid

1,1-Diphenyl-2-trimethylsilyl-2-propen-1-ol

Downstream raw materials:

8-methyl-7-phenyl-2H-benzopyran-2-spiro-1'-(2',3'-dichloro-4'-oxo-1',4'-dihydronaphthalene)

tetraphenylallene

C₁₆H₁₂Cl₂

1,1,2,2-Tetrachloro-4,4-diphenyl-spiro[2.2]pentane

Refernces

• 1、 Petasis, Nicos A.,Hu, Yong-Han. "Allenation of Carbonyl Compounds with Alkenyltitanocene Derivatives". . p. 782 - 783. Retrieved 1997.
• 2、 Jones et al.. "-". . p. 912. Retrieved 1964.
• 3、 Hahm, Hyungwoo,Baek, Doohyun,Kim, Dowon,Park, Seongwook,Ryoo, Jeong Yup,Hong, Sukwon. "Photoredox-Catalyzed α-Aminoalkylcarboxylation of Allenes with CO2". supporting information. p. 3879 - 3884. Retrieved 2021/05/29.
• 4、 Manjón-Mata, Inés,Quirós, M. Teresa,Bu?uel, Elena,Cárdenas, Diego J.. "Regioselective Iron-Catalysed Cross-Coupling Reaction of Aryl Propargylic Bromides and Aryl Grignard Reagents". supporting information. p. 146 - 151. Retrieved 2019/12/11.