1,3,2-Dioxaborolane, 2,2'-[1,2-ethanediylbis(oxy)]bis-

Base Information

• Chemical Name: 1,3,2-Dioxaborolane, 2,2'-[1,2-ethanediylbis(oxy)]bis-
• CAS No.: 1135-51-9
• Molecular Formula: C6H12 B2 O6
• Molecular Weight: 201.78
• Hs Code.: 2934999090
• European Community (EC) Number: 214-493-7
• UNII: QVK3PHM4TX
• DSSTox Substance ID: DTXSID8061555
• Nikkaji Number: J203.384D
• Wikidata: Q81989536
• Mol file: 1135-51-9.mol

Synonyms:1135-51-9;Boric acid, ethylene glycol ester;1,3,2-Dioxaborolane, 2,2'-[1,2-ethanediylbis(oxy)]bis-;QVK3PHM4TX;2,2'-(Ethylenebis(oxy))bis(1,3,2-dioxaborolane);2-[2-(1,3,2-dioxaborolan-2-yloxy)ethoxy]-1,3,2-dioxaborolane;EINECS 214-493-7;1,3,2-Dioxaborolane, 2,2'-(1,2-ethanediylbis(oxy))bis-;2,2'-[ETHYLENEBIS(OXY)]BIS[1,3,2-DIOXABOROLANE];2-(2-(1,3,2-DIOXABOROLAN-2-YLOXY)ETHOXY)-1,3,2-DIOXABOROLANE;UNII-QVK3PHM4TX;DTXSID8061555;C6H12B2O6;C6-H12-B2-O6;2,2/'-(Ethylenebis(oxy))bis(1,3,2-dioxaborolane);2,2'-[1,2-Ethanediylbis(oxy)]bis-1,3,2-dioxaborolane;2,2'-(1,2-ETHANEDIYLBIS(OXY))BIS(1,3,2-DIOXABOROLANE);Ethylene glycol, cyclic ester with boric acid (H3BO3) ethylene ester (2:1)

Chemical Property of 1,3,2-Dioxaborolane, 2,2'-[1,2-ethanediylbis(oxy)]bis-

Chemical Property:

• Boiling Point: 162.2°Cat760mmHg
• Flash Point: 51.9°C
• PSA: 55.38000
• Density: 1.16g/cm³
• LogP: -0.91700
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 5
• Exact Mass: 202.0819984
• Heavy Atom Count: 14
• Complexity: 140

Purity/Quality:

98%,99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: B1(OCCO1)OCCOB2OCCO2

Technology Process of 1,3,2-Dioxaborolane, 2,2'-[1,2-ethanediylbis(oxy)]bis-

There total 7 articles about 1,3,2-Dioxaborolane, 2,2'-[1,2-ethanediylbis(oxy)]bis- 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:

ethylene glycol (107-21-1) → tris(ethyleneglycol)diborate (1135-51-9)

Guidance literature:

With boron trichloride; at -80 ℃;

Reference yield:

tetrahydrofuran (109-99-9,24979-97-3,77392-70-2) + sodium tetrahydroborate (16940-66-2) + ethylene glycol (107-21-1) → tris(ethyleneglycol)diborate (1135-51-9)

Guidance literature:

tetrahydrofuran; sodium tetrahydroborate; With chloro-trimethyl-silane; at 20 ℃; Inert atmosphere; Schlenk technique; Glovebox;

ethylene glycol; In tetrahydrofuran;

DOI:10.1039/c7dt00334j

Reference yield:

boric acid (11113-50-1,14635-83-7) + ethylene glycol (107-21-1) → tris(ethyleneglycol)diborate (1135-51-9)

Guidance literature:

In neat (no solvent); byproducts: H2O; distn. of the azeotrope with toluene, benzene or CHCl3;;

DOI:10.1039/jr9610000931

upstream raw materials:

tri-n-propyl borate

ethylene glycol

boric acid

boron trichloride

Downstream raw materials:

boric acid

ethylene dibromide

Refernces

• 1、 Eck, Martin,Würtemberger-Pietsch, Sabrina,Eichhorn, Antonius,Berthel, Johannes H. J.,Bertermann, Rüdiger,Paul, Ursula S. D.,Schneider, Heidi,Friedrich, Alexandra,Kleeberg, Christian,Radius, Udo,Marder, Todd B.. "B-B bond activation and NHC ring-expansion reactions of diboron(4) compounds, and accurate molecular structures of B2(NMe2)4, B2eg2, B2neop2 and B2pin2". . p. 3661 - 3680. Retrieved 2017/03/23.