tetrakis(4-carboxyphenyl)germanium

Base Information

• Chemical Name: tetrakis(4-carboxyphenyl)germanium
• CAS No.: 1018982-19-8
• Molecular Formula: C₂₈H₂₀GeO₈
• Molecular Weight: 557.052
• Mol file: 1018982-19-8.mol

Synonyms:

Chemical Property of tetrakis(4-carboxyphenyl)germanium

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tetrakis(4-carboxyphenyl)germanium

There total 1 articles about tetrakis(4-carboxyphenyl)germanium 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:

tetrakis(4-bromophenyl)germanium (1018982-18-7) + carbon dioxide (124-38-9,18923-20-1) → tetrakis(4-carboxyphenyl)germanium (1018982-19-8)

Guidance literature:

With tert-butyllithium; In tetrahydrofuran; hexane; addn. of Ge(BrC6H4)4 to Schlenk flask; sealing; placing under vac., filling with N2; transferring of THF into flask; cooling in acetone/ice bathfor 10 min; addn. of t-BuLi/hexane; stirring for 0.5 h; bubbling CO2 fo r 0.5 h; warming to room temp.; removal of solvent by rotary evaporation, addn. of H2O; dilution with HCl soln. (1 N); pptn., filtration, dissolving in dilute soln. of NaOH; filtration, reacidifying with dilute HCl; drying; elem. anal.;

DOI:10.1021/om701262m

Reference yield: 38.0%

zinc(II) nitrate hexahydrate + tetrakis(4-carboxyphenyl)germanium (1018982-19-8) → 2Ge(C7H4O2)4(4-)*2H(1+)*3Zn(2+)*2(CH3)2NC(O)H*4.6H2O=(GeC28H17O8)2Zn3(C3H7NO)2(H2O)4.6

Guidance literature:

In ethanol; water; N,N-dimethyl-formamide; Sonication; addn. of Ge(C6H4COOH)4 and Zn(NO3)2*6H2O to vial; addn. of DMF, EtOH andH2O; ultrasonication for 10 min; filtration, sealing; heating to 75.deg ree.C over a day; holding at that temp. for 3 ds; cooling to room temp., crystn., drying under vac. (10 Torr) at room temp. for 3 ds, elem. anal.;

DOI:10.1021/om701262m

upstream raw materials:

tetrakis(4-bromophenyl)germanium

carbon dioxide