1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene

Base Information

Chemical Name:1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene
CAS No.:123347-06-8
Molecular Formula:C₂₀H₂₄Ge₂
Molecular Weight:409.591
Hs Code.:

Synonyms:

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene

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Technology Process of 1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene

There total 5 articles about 1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene 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: 78.0%

: 76054-64-3
7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

: 536-74-3
phenylacetylene

: 141438-14-4
(E)-3,3-dimethyl-1,5-diphenyl-3-germapent-1-en-4-yne

: 123347-06-8
1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene

: 123347-02-4
C₄H₂(Ge(CH₃)2)(C₆H₅)2

Guidance literature:: In benzene; byproducts: 1,2,3,4-tetraphenylnaphthalene; heating the germanorbornadiene (0.32 mmol) and phenylacetylene (9.8 mmol) and benzene under dry Ar (140°C); removing volatiles, pptg. the naphthalene by addn. of pentane, purifn. by Kugelrohr distn.;

Reference yield:

: 4506-69-8
dodecamethylcyclohexagermane

: 536-74-3
phenylacetylene

: 123347-06-8
1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene

Guidance literature:: platinum(II) bis(acetylacetonate); In toluene; degassed toluene soln. containing 1 mol equiv. of cyclogermane, 5 mol equiv. of acetylene and 0.05 mol equiv. of catalyst was heated under Ar at120°C for 32 h in a sealed tube; evapd.; purified by preparative TLC on SiO2;
DOI:10.1246/bcsj.74.123

Reference yield:

: 76054-64-3
7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

: 536-74-3
phenylacetylene

: 123347-06-8
1,1,4,4-tetramethyl-1,4-digerma-2,5-diphenylcyclohexa-2,5-diene

Guidance literature:: In benzene; byproducts: 1,2,3,4-tetraphenylnaphthalene; heating the germanorbornadiene (1.9 mmol) and phenylacetylene (2.0 mmol) and benzene under dry Ar (70°C, 4 h); removing volatiles, pptg. the naphthalene by addn. of pentane, purifn. by Kugelrohr distn.;