CIS-1,2-DIBORONO-1,2-DIPHENYLETHYLENE, DIPINACOL ESTER

Base Information

• Chemical Name: CIS-1,2-DIBORONO-1,2-DIPHENYLETHYLENE, DIPINACOL ESTER
• CAS No.: 221006-76-4
• Molecular Formula: C26H34 B2 O4
• Molecular Weight: 432.176
• Mol file: 221006-76-4.mol

Synonyms:CIS-1,2-DIBORONO-1,2-DIPHENYLETHYLENE, DIPINACOL ESTER;(Z)-1,2-Diphenyl-1,2-ethylenediboronic acid bis(pinacol) ester, 96%;(Z)-Stilbenediboronic acid bis(pinacol) ester, 98%

Chemical Property of CIS-1,2-DIBORONO-1,2-DIPHENYLETHYLENE, DIPINACOL ESTER

Chemical Property:

• Melting Point: 176-179°C
• Boiling Point: 443.3±55.0°C at 760 mmHg (predict)
• PSA: 36.92000
• Density: 1.1±0.1g/cm3 (predict)
• LogP: 5.86020

Purity/Quality:

99% ^*data from raw suppliers

(Z)-1,2-Diphenyl-1,2-ethylenediboronic acid bis(pinacol) ester 96% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

Technology Process of CIS-1,2-DIBORONO-1,2-DIPHENYLETHYLENE, DIPINACOL ESTER

There total 2 articles about CIS-1,2-DIBORONO-1,2-DIPHENYLETHYLENE, DIPINACOL ESTER 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: 85.0%

diphenyl acetylene (501-65-5) + bis(pinacol)diborane (73183-34-3) → 1,2-bis(pinacolatoboryl)-1,2-diphenylethene (221006-76-4)

Guidance literature:

With tetrakis(triphenylphosphine)platinum; In N,N-dimethyl-formamide; at 90 ℃; for 9h; Temperature; Inert atmosphere;

Reference yield:

Pd(1,3,4,5-tetramethylimidazol-2-ylidene)2(diphenylacetylene) + bis(pinacol)diborane (73183-34-3) → 1,2-bis(pinacolatoboryl)-1,2-diphenylethene (221006-76-4) + C14H26N4Pd

Guidance literature:

In benzene-d6; at 20 ℃;

DOI:10.1021/acs.organomet.8b00112

Reference yield: 88.0%

1,2-bis(pinacolatoboryl)-1,2-diphenylethene (221006-76-4) + [1,1'-biphenyl]-2,2'-iodonium trifluoromethanesulfonate (189999-35-7) → 9,10-diphenylphenanthrene (602-15-3)

Guidance literature:

With bis-triphenylphosphine-palladium(II) chloride; sodium hydrogencarbonate; In tetrahydrofuran; water; for 16h; Inert atmosphere;

DOI:10.1007/s11426-018-9344-4

upstream raw materials:

diphenyl acetylene

bis(pinacol)diborane

Downstream raw materials:

9,10-diphenylphenanthrene

(Z)-4,4′-(1,2-diphenylethene-1,2-diyl)dibenzonitrile

1r,2c-bis-(4-nitro-phenyl)-1,2t-diphenyl-ethene

(Z)-1,2-bis(4-methoxyphenyl)-1,2-diphenylethylene