Tetrakis(pyrrolidino)diborane

Base Information

• Chemical Name: Tetrakis(pyrrolidino)diborane
• CAS No.: 158752-98-8
• Molecular Formula: C16H32 B2 N4
• Molecular Weight: 302.079
• European Community (EC) Number: 622-666-7
• DSSTox Substance ID: DTXSID90399031
• Nikkaji Number: J2.582.556J
• Wikidata: Q82201340
• Mol file: 158752-98-8.mol

Synonyms:Tetrakis(pyrrolidino)diborane;158752-98-8;dipyrrolidin-1-ylboranyl(dipyrrolidin-1-yl)borane;Tetrakis(pyrrolidino)diborane 95;Pyrrolidine, 1,1',1'',1'''-(1,2-diborane(4)diylidene)tetrakis-;SCHEMBL1370866;DTXSID90399031;Tetrakis(pyrrolidino)diborane, 95%;AKOS025294626;Dipyrrolizino(dipyrrolizinoboryl)borane;J-009529

Chemical Property of Tetrakis(pyrrolidino)diborane

Chemical Property:

• Vapor Pressure: 1.77E-06mmHg at 25°C
• Melting Point: 78-82 °C(lit.)
• Refractive Index: 1.543
• Boiling Point: 395.9°C at 760 mmHg
• Flash Point: 193.3°C
• PSA: 12.96000
• Density: 1.05g/cm³
• LogP: 1.17600
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 5
• Exact Mass: 302.2813074
• Heavy Atom Count: 22
• Complexity: 280

Purity/Quality:

TETRAKIS(PYRROLIDINO)DIBORANE 95.00% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: C
• Statements: 34
• Safety Statements: 26-36/37/39-45

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: B(B(N1CCCC1)N2CCCC2)(N3CCCC3)N4CCCC4

Technology Process of Tetrakis(pyrrolidino)diborane

There total 5 articles about Tetrakis(pyrrolidino)diborane 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: 71.0%

bis(tetrahydropyrrole)boron bromide (411226-02-3) → tetrakis(tetrahydropyrrole)boron (158752-98-8)

Guidance literature:

With sodium; In toluene; at 105 - 110 ℃; Inert atmosphere;

Reference yield: 65.0%

pyrrolidine (123-75-1) + tetrakis(dimethylamido)diborane (1630-79-1) → (dimethylamino)tripyrrolidinodiborane(4) (158752-99-9) + tetrakis(tetrahydropyrrole)boron (158752-98-8)

Guidance literature:

In neat (no solvent); under N2, kept for 2 h at reflux; fractional distn.: B2(C4H8N)3(NMe2); elem. anal., residue dissolved in hexane, cooled to -78°C: B2(NC4H8)4;

Reference yield: 46.0%

NaK2.8 + bis(tetrahydropyrrole)boron chloride (80476-63-7) → tetrakis(tetrahydropyrrole)boron (158752-98-8)

Guidance literature:

In hexane; byproducts: NaCl, KCl; under N2, stirred overnight, refluxed for 1.5 h; filtered, volume reduced, cooled to -78°C; elem. anal.;

upstream raw materials:

bis(tetrahydropyrrole)boron bromide

bis(tetrahydropyrrole)boron chloride

pyrrolidine

tetrakis(dimethylamido)diborane

Downstream raw materials:

tetrahydroxydiboron

bis(pinacol)diborane

1,2-dibromo-1,2-dipyrrolidinodiborane⁽⁴⁾

bis(tetrahydropyrrole)boron bromide

Refernces

• 1、 -. "A method of synthesizing joint boric acidfrequency that ester". Paragraph 0055-00. . Retrieved 2017/03/08.
• 2、 Ali, Hijazi Abu,Goldberg, Israel,Srebnik, Morris. "Tetra(pyrrolidino)diborane(4), [(C4H8N)2B]2, as a New Improved Alternative Synthetic Route to Bis(pinacolato)diborane(4) - Crystal Structures of the Intermediates". . p. 73 - 78. Retrieved 2007/10/03.