sodium (4-bromophenyl)tris(1-pyrazolyl)borate

Base Information

Chemical Name:sodium (4-bromophenyl)tris(1-pyrazolyl)borate
CAS No.:80593-37-9
Molecular Formula:C₁₅H₁₃BBrN₆*Na
Molecular Weight:391.013
Hs Code.:

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Chemical Property of sodium (4-bromophenyl)tris(1-pyrazolyl)borate

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Technology Process of sodium (4-bromophenyl)tris(1-pyrazolyl)borate

There total 1 articles about sodium (4-bromophenyl)tris(1-pyrazolyl)borate 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: 25.0%

: 288-13-1
NH-pyrazole

: 5467-74-3
4-Bromophenylboronic acid

: 7646-69-7
sodium hydride

: 80593-37-9
sodium (4-bromophenyl)tris(1-pyrazolyl)borate

Guidance literature:: In water; acetone; diethylene glycol; to soln. of pyrazole and diglyme at 120°C was added dropwise over 30 min soln. of B-complex in aq. acetone, acetone and H2O were removeduntil the head temp. reached the boiling point of diglyme, mixt. was cooled to 50°C, treated with NaH; mixt. was heated, diglyme was removed by distillation for 45 min, cooled to room temp. under N2, treated with H2O, filtered, H2O was removed invac. at room temp., residue was triturated with ether and hexane, driedin vac. at room temp.; elem. anal.;
DOI:10.1021/ja00370a016

Reference yield: 36.0%

: 80593-37-9
sodium (4-bromophenyl)tris(1-pyrazolyl)borate

: 7646-79-9,14543-09-0,16413-89-1
cobalt(II) chloride

: 80583-79-5
bis[(4-bromophenyl)tris(1-pyrazolyl)borato]cobalt(II)

Guidance literature:: In water; B-complex in H2O was added to CoCl2 in acetate buffer; centrifuged, washed with H2O, taken up in CH2Cl2, dried with Na2SO4, recrystd. from CH2Cl2-MeOH; elem. anal.;
DOI:10.1021/ja00370a016

Reference yield:

: 109-72-8,29786-93-4
n-butyllithium

: 80593-37-9
sodium (4-bromophenyl)tris(1-pyrazolyl)borate

: 7646-79-9,14543-09-0,16413-89-1
cobalt(II) chloride

: Na⁽¹⁺⁾*LiC₆H₄B(N₂C₃H₃)3^(1-)=Na(LiC₆H₄B(N₂C₃H₃)3)

Guidance literature:: With water-d2; In hexane; Co-complex was treated with n-BuLi in hexane at -20°C, after 2.5min at 0°C mixt. was quenched with D2O, CoCl2 in acetate buffer was added, extd. with CHCl3; monitored by NMR;
DOI:10.1021/ja00370a016