Diphenylacetylene

Manufactured by Merck Group

Sourced in United States, Germany

Diphenylacetylene is a chemical compound used in various laboratory applications. It is a colorless crystalline solid with a high melting point. Diphenylacetylene serves as a precursor for the synthesis of other organic compounds and is utilized in various analytical and research procedures.

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5 protocols using diphenylacetylene

Electrochemical Synthesis of Gold Nanorods

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All reagents were used without further purification. Epinephrine (EPI), dopamine, hydroquinone (HQ), hexaamin ruthenium (III), tartaric acid, sodium metabisulphite, potassium chloride, sodium chloride and N-methyl pyrrolidone (NMP) were purchased from Sigma-Aldrich. As supporting electrolyte, 0.1 M buffer solutions were prepared from ortho-phosphoric or acetic acid in the pH range of 3.0–9.0. For the solution-based synthesis of GNRs, phenanthrene-9,10-quinone, 1,3-diphenylacetone, N-bromosuccinimide (NBS), diphenylacetylene, bis(1,5-cyclooctadiene)nickel(0) (Ni (COD)₂) and iron trichloride were purchased from Sigma-Aldrich.

Sainz R., del Pozo M., Vilas-Varela M., Castro-Esteban J., Pérez Corral M., Vázquez L., Blanco E., Peña D., Martín-Gago J.A., Ellis G.J., Petit-Domínguez M.D., Quintana C, & Casero E. (2020). Chemically synthesized chevron-like graphene nanoribbons for electrochemical sensors development: determination of epinephrine. Scientific Reports, 10, 14614.

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Synthesis of Metal Nanoparticles

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The materials used were phloroglucinol 99% (Sigma Aldrich), pluronic F127 (Sigma Aldrich), ethanol 97% (Merck), HCl 37% (J.T Baker), formaldehyde 37% (Merck), nickel (II) nitrate (Merck), cobalt (II) nitrate (Merck), diphenylacetylene 98% (Sigma Aldrich), sodium borohydride powder ≥ 98% (Sigma Aldrich), methanol 99% (Merck), cis-stilbene 96% (Sigma Aldrich), N₂ gas, H₂ gas, and deionized water.

SHIDDIQAH A.S., ABDULLAH I, & KRISNANDI Y.K. (2021). Selective hydrogenation of diphenylacetylene using NiCo nanoparticles supported on mesoporous carbon as catalyst. Turkish Journal of Chemistry, 46(3), 677-686.

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Catalyst Preparation and Reduction

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Diphenylacetylene (Sigma-Aldrich, St. Louis, MO, USA, >98%) and n-hexane (Merck KGaA, Darmstadt, Germany, 98%) were used without further purification. Gases and gaseous mixtures used for catalyst reduction and catalytic tests were supplied by Linde Gas Rus (Balashikha, Russia): 5%H₂/Ar, H₂ (99.9999% grade) and He (99.999% grade). For the catalyst preparation α-Al₂O₃ (Alfa Aesar, Haverhill, MA, USA, S_sp = 8 m²/g) was used as a carrier.

Mashkovsky I.S., Markov P.V., Bragina G.O., Baeva G.N., Rassolov A.V., Yakushev I.A., Vargaftik M.N, & Stakheev A.Y. (2018). Highly-Ordered PdIn Intermetallic Nanostructures Obtained from Heterobimetallic Acetate Complex: Formation and Catalytic Properties in Diphenylacetylene Hydrogenation. Nanomaterials, 8(10), 769.

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Heterocyclic Compound Synthesis by Azide-Alkyne Cycloaddition

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Allyl chloride, 98% (CAS 107-05-1), tetra-n-butylammonium fluoride (1 M solution in THF, CAS 429-41-4), copper (I) iodide, 98% (CAS 7681-65-4) and N,N-Dimethylformamide, 99.9% (CAS 68-12-2) were obtained from ABCR. Sodium azide (CAS 26628-22-8), diphenylether, 99% (CAS 101-84-8) and triethylamine, 99% (CAS 121-44-8) were obtained from Acros Organics. Karstedt’s catalyst (CAS 11057-89-9), diphenylacetylene, 98% (CAS 501-65-5), chlorodimethylsilane, 98% (CAS 1066-35-9) and lithium aluminum hydride (CAS 16853-85-3) were obtained from Sigma-Aldrich. All chemicals were used as received.
The solvents were purified by distillation under reduced pressure in argon.

Ardabevskaia S.N., Chamkina E.S., Krasnova I.Y., Milenin S.A., Sukhova E.A., Boldyrev K.L., Bakirov A.V., Serenko O.A., Shifrina Z.B, & Muzafarov A.M. (2022). Controllable Synthesis of Hybrid Dendrimers Composed of a Carbosilane Core and an Aromatic Shell: Does Size Matter?. International Journal of Molecular Sciences, 23(24), 15461.

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Synthesis of Aromatic Compounds

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Compounds used as substrates were of the highest purity available. Biphenyl, diphenylmethane, 1,2-diphenylethane (bibenzyl), cis-and trans-stilbene, diphenylacetylene and Biphenylene (96 -99 %) were obtained from Sigma-Aldrich (Munich, Germany), Fluka AG (Buchs, Switzerland) or Merck AG (Darmstadt, Germany), respectively. All heteroaromatic substrates (96 -98 %) were from Sigma-Aldrich.

Overwin H., González M., Méndez V., Seeger M., Wray V, & Hofer B. (2016). An aryl dioxygenase shows remarkable double dioxygenation capacity for diverse bis-aryl compounds, provided they are carbocyclic. Applied microbiology and biotechnology, 100(18).

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