tetrakis(phenylethynyl)germane

Base Information

• Chemical Name: tetrakis(phenylethynyl)germane
• CAS No.: 27258-70-4
• Molecular Formula: C32H20 Ge
• Molecular Weight: 477.1412
• Mol file: 27258-70-4.mol

Synonyms:Germane,tetrakis(phenylethynyl)- (7CI,8CI,9CI); NSC 222948;Tetrakis(phenylethynyl)germanium(IV)

Chemical Property of tetrakis(phenylethynyl)germane

Chemical Property:

• Vapor Pressure: 1.51E-12mmHg at 25°C
• Boiling Point: 573.1°Cat760mmHg
• Flash Point: 303.4°C
• Density: g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of tetrakis(phenylethynyl)germane

There total 3 articles about tetrakis(phenylethynyl)germane 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: 86.0%

germaniumtetrachloride (10038-98-9) + phenylacetylene (536-74-3) → tetrakis(phenylethinyl)germane (27258-70-4)

Guidance literature:

With ZnCl₂; triethylamine; HCl; In 1,4-dioxane; mixt. of ZnCl2 and dioxane heated to 85-90°C, triethylamine and ligand added, after 10 min GeCl4 added, kept at 100°C for 3 h, treated with HCl; ppt. extd. with CHCl3, dried with CaCl2, concd., column chromy. on silica gel with CHCl3, crystd. slowly;

DOI:10.1007/s11172-006-0434-5

Reference yield: 86.0%

tetrakis(diethylamino)germane (38182-82-0) + phenylacetylene (536-74-3) → tetrakis(phenylethinyl)germane (27258-70-4)

Guidance literature:

With ZnCl₂; HCl; In 1,4-dioxane; mixt. of ZnCl2 and dioxane heated to 85-90°C, phenylacetylene andGe-compound added, kept at 100°C for 4 h, treated with HCl; ppt. extd. with CHCl3, dried with CaCl2, solvent removed, ppt. washed with MeOH, recrystd. from benzene-light petroleum;

DOI:10.1007/s11172-006-0434-5

Reference yield:

→ tetrakis(phenylethinyl)germane (27258-70-4)

Guidance literature:

Phenylacetylenlithium, GeCl4, Ae.;

DOI:10.1002/zaac.19613110314

upstream raw materials:

germaniumtetrachloride

phenylacetylene

tetrakis(diethylamino)germane

Downstream raw materials:

2,7-bis(diethylboryl)-3,8-diethyl-1,4,6,9-tetraphenyl-5-germaspiro{4.4}nona-1,3,6,8-tetraene

Refernces

• 1、 Andreev,Konshin,Vinokurov,Komarov. "Synthesis of tri-and tetraalkynylgermanes". . p. 1430 - 1432. Retrieved 2007/10/03.