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1675-58-7

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1675-58-7 Usage

General Description

Diphenylgermane, also known as diphenylgermanium, is an organogermanium compound with the chemical formula C12H10Ge. It is a colorless to pale yellow liquid with a slightly sweet odor. Diphenylgermane is used as a reagent in organic synthesis, particularly in the production of polymers and other organic compounds. It is also used in the semiconductor industry as a precursor for germanium thin films. However, exposure to diphenylgermane should be limited as it is toxic and may cause irritation to the skin, eyes, and respiratory system. Overall, diphenylgermane is an important chemical in various industries, but proper handling and safety precautions should be taken when using it.

Check Digit Verification of cas no

The CAS Registry Mumber 1675-58-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1675-58:
(6*1)+(5*6)+(4*7)+(3*5)+(2*5)+(1*8)=97
97 % 10 = 7
So 1675-58-7 is a valid CAS Registry Number.
InChI:InChI=1/C12H12Ge/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H,13H2

1675-58-7Relevant articles and documents

Mono- and dinuclear germapalladacycles obtained via the Ge-Ge bond forming reactions promoted by palladium complexes

Tanabe, Makoto,Ishikawa, Naoko,Hanzawa, Masaya,Osakada, Kohtaro

, p. 5152 - 5158 (2008)

Heating a toluene solution of bis(germyl)palladium complex [Pd(GeHPh 2)2(dmpe)] (2) (dmpe = 1,2-bis(dimethylphosphino)ethane) at 70 °C produced a mixture of dipalladium complexes, one with bridging digermene and germylene ligands, [{Pd(dmpe)}2(μ-GePh 2)(μ-Ge2Ph4)] (3), and also a mononuclear tetragermapalladacyclopentane, [Pd(GePh2GePh2GePh 2GePh2)(dmpe)] (4), in 92:8 molar ratio, respectively. The reaction of H2GePh2 with 2 in 10:1 molar ratio formed complex 4 as the main product (3:4 = 4:96). Complexes 3 and 4 were isolated from the above reactions and characterized by X-ray crystallography and NMR spectroscopy. Complex 3 reacted with H2GePh2 (Pd:Ge = 1:10) at 80 °C to yield 4 quantitatively, whereas simple heating of 3 at the same temperature did not form 4 at all. Reaction pathways for the Ge-Ge bond formation are discussed.

Selective Synthesis and Derivatization of Germasilicon Hydrides

Stueger, Harald,Christopoulos, Viktor,Temmel, Andrea,Haas, Michael,Fischer, Roland,Torvisco, Ana,Wunnicke, Odo,Traut, Stephan,Martens, Susanne

, p. 4034 - 4038 (2016)

Mixed Si/Ge hydrides SixGeyHz are valuable precursors for the deposition of binary Si-Ge alloys. This work describes the synthesis and full characterization of the previously unknown germaisotetrasilane Ph3GeSi(SiH3)3 (2) on a multigram scale from the reaction of the lithium silanide LiSi(SiH3)3 with Ph3GeCl. The stability of the Si-Ge bond in 2 versus electrophiles and nucleophiles has been investigated with the primary aim of developing new approaches to mixed sila-H-germanes (H3Ge)xSi(SiH3)4-x. With 1 equiv of MeLi, 2 reacted cleanly under cleavage of one Si-Si bond to give Ph3GeSi(SiH3)2Li, which is a valuable synthon for further derivatization. In contrast, the dephenylation reaction of 2 with 1 or 2 equiv of CF3SO3H/iBu2AlH proceeded much less selectively and afforded the desired Ph/H-germasilanes Ph2HGeSi(SiH3)3 and PhH2GeSi(SiH3)3 along with considerable amounts of Si-Ge scission products.

Chromium carbonyl complexes with aryl mono- and oligogermanes: Ability for haptotropic rearrangement

Zaitsev, Kirill V.,Gloriozov, Igor P.,Oprunenko, Yuri F.,Lermontova, Elmira Kh,Churakov, Andrei V.

, p. 217 - 227 (2019/10/16)

The intra- and intermolecular inter-ring η6 ? η6-haptotropic rearrangements (IRHR), occurring by involving interactions to Ge atoms in arylgermanes, were investigated theoretically and experimentally. The new methods for the synthesis of non-symmetrical polyaromatic Ge compounds were elaborated. Digermane Ph3GeGeMe2Cl (2) was obtained from Ph3GeGeMe2NMe2 (1) under action of Me3SiCl. Aryl digermane Ph3GeGeMe2(η6-C6H5)Cr(CO)3 (4) was obtained after lithiation of (η6-C6H6)Cr(CO)3 (3) with subsequent interaction with 2. It was established that thermally induced intramolecular IRHR in 4 is not observed experimentally; at similar reaction conditions in the presence of tetralin C10H12 (7) the bimolecular intermolecular IRHR occurs giving (η6-C10H12)Cr(CO)3 (8). DFT analysis of the intramolecular IRHRs for model germane (p-Tol)2Ge(H)(η6-Tol-p)Cr(CO)3 (MC1) and digermane Ph3GeGeH2(η6-C6H5)Cr(CO)3 (MC2) indicates a plausible effect of 3c-2e (agostic) Ge–H···Cr interaction on success of such rearrangement. The theoretical activation barrier is determined to be in the range of 35–37 kcal/mol. The model compound (η6-C6H3(GeHPh2)Me2-p)Cr(CO)3 (12) was obtained from (η6-C6H4Me2-p)Cr(CO)3 (11). The decomposition of 12 was observed under conditions of thermally induced IRHR. Molecular structures of 8, 11 and 12 in a crystal were investigated by XRD.

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