391778

Sigma-Aldrich

2,2′-Biquinoline-4,4′-dicarboxylic acid dipotassium salt trihydrate

99%

Synonym(s):
2,2′-Bicinchoninic acid dipotassium salt, Dipotassium 2,2′-biquinoline-4,4′-dicarboxylate trihydrate, 4,4′-Dicarboxy-2,2′-biquinoline dipotassium salt
Empirical Formula (Hill Notation):
C20H10K2N2O4 · 3H2O
CAS Number:
Molecular Weight:
474.55
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

assay

99%

mp

>300 °C (lit.)

SMILES string

[K+].[K+].[H]O[H].[H]O[H].[H]O[H].[O-]C(=O)c1cc(nc2ccccc12)-c3cc(C([O-])=O)c4ccccc4n3

InChI

1S/C20H12N2O4.2K.3H2O/c23-19(24)13-9-17(21-15-7-3-1-5-11(13)15)18-10-14(20(25)26)12-6-2-4-8-16(12)22-18;;;;;/h1-10H,(H,23,24)(H,25,26);;;3*1H2/q;2*+1;;;/p-2

InChI key

MUCQANVZZZELIW-UHFFFAOYSA-L

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General description

2,2′-Biquinoline-4,4′-dicarboxylic acid dipotassium salt trihydrate is a hydrated dipotassium salt of 2,2-biquinoline-4,4-dicarboxylic acid.

Application

2,2′-Biquinoline-4,4′-dicarboxylic acid dipotassium salt trihydrate (dipotassium salt of 2,2 -biquinoline- 4,4 -dicarboxylic acid trihydrate) may be used as ligand in the aerobic oxidation of alcohols (primary, secondary and benzylic) in the presence of palladium catalysts.

Packaging

5 g in glass bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Charged ligands for catalyst immobilisation and analysis.
Chisholm DM and McIndoe JS.
Dalton Transactions, 30, 3933-3945 (2008)
Pd (II)-biquinoline catalyzed aerobic oxidation of alcohols in water.
Buffin BP, et al.
J. Mol. Catal. A: Chem., 225(1), 111-116 (2005)

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