1,1,2,2-TETRAPHENYLETHANE

Base Information

• Chemical Name: 1,1,2,2-TETRAPHENYLETHANE
• CAS No.: 632-50-8
• Molecular Formula: C26H22
• Molecular Weight: 334.461
• Mol file: 632-50-8.mol

Synonyms:Ethane,1,1,2,2-tetraphenyl- (8CI); 1,1,2,2-Tetraphenylethane;1,1',1'',1'''-(1,2-Ethanediylidene)tetrakis[benzene]; Bibenzhydryl; NSC 39908;sym-Tetraphenylethane; a,a,b,b-Tetraphenylethane

Chemical Property of 1,1,2,2-TETRAPHENYLETHANE

Chemical Property:

• Melting Point: 212°C
• Refractive Index: 1.8430 (estimate)
• Boiling Point: 360°C
• Flash Point: 196.4oC
• PSA: 0.00000
• Density: 1.0862 (estimate)
• LogP: 6.65060

Purity/Quality:

99% ^*data from raw suppliers

1,1,2,2-TETRAPHENYLETHANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,1,2,2-TETRAPHENYLETHANE

There total 434 articles about 1,1,2,2-TETRAPHENYLETHANE 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: 57.1%

chloro-trimethyl-silane (75-77-4) + ethene (74-85-1) + diphenylmethyllithium (881-42-5) → Diphenylmethane (101-81-5) + 1,1-diphenylpentane (1726-12-1) + 1,1-diphenylpropane (1530-03-6) + 1,1,2,2-tetraphenylethane (632-50-8) + trimethylsilyldiphenylmethane (6328-61-6) + 1,1-diphenylheptane (1530-05-8)

Guidance literature:

for 336h; Product distribution; Mechanism; Ambient temperature;

Reference yield: 9.25%

benzoic acid benzyl ester (120-51-4) → biphenyl (92-52-4,1594-86-1) + stilbene (588-59-0) + 1,1,2,2-tetraphenylethane (632-50-8) + 1,1'-(1,2-ethanediyl)bisbenzene (103-29-7)

Guidance literature:

for 240h; Further byproducts given; Heating;

Reference yield:

4-nitrophenyl diphenylmethyl ether radical anion Li salt → 4-nitro-phenol (100-02-7,78813-13-5,89830-32-0) + Diphenylmethane (101-81-5) + 1,1,2,2-tetraphenylethane (632-50-8) + (4-nitrophenyl)diphenylmethanol (3911-49-7)

Guidance literature:

In dimethyl sulfoxide; at 22 ℃; Rate constant; Product distribution; investigation effect of concentration, various reagents;

DOI:10.1021/ja00270a021

upstream raw materials:

tetrachloromethane

benzylidene dichloride

benzophenone

Diphenylmethane

Downstream raw materials:

1,1,2,2-tetraphenylethylene

1,1,2,2-tetrakis-(4-nitro-phenyl)-ethane

(diphenylmethyl)potassium

Diphenylmethane

Refernces

• 1、 Koshima, Hideko,Ding, Kuiling,Chisaka, Yosuke,Matsuura, Teruo. "Generation of chirality in a two-component molecular crystal of acridine and diphenylacetic acid and its absolute asymmetric photodecarboxylating condensation". . p. 12059 - 12065. Retrieved 1996.
• 2、 Kuwana, Daiki,Komori, Yuma,Nagatomo, Masanori,Inoue, Masayuki. "Photoinduced Decarboxylative Radical Coupling Reaction of Multiply Oxygenated Structures by Catalysis of Pt-Doped TiO2". supporting information. p. 730 - 736. Retrieved 2022/01/12.
• 3、 Ishida, Naoki,Son, Mingon,Kawasaki, Tairin,Ito, Misato,Murakami, Masahiro. "Photodriven Dehydrogenative Homocoupling of Benzylic C-H Bonds Forming Strained C-C Bonds". supporting information. p. 2067 - 2070. Retrieved 2021/10/14.