3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

Base Information

Chemical Name:3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne
CAS No.:847155-66-2
Molecular Formula:C₂₁H₂₅Br₂NO₂Si
Molecular Weight:511.329
Hs Code.:

Synonyms:3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

Suppliers and Price of 3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

Supply Marketing:

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

Manufacturers and distributors:

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Chemicals and raw materials
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price

Total 2 raw suppliers

Chemical Property of 3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

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Technology Process of 3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

There total 3 articles about 3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne 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: 84.0%

: 636-98-6
p-nitrobenzene iodide

: 164990-17-4
3-(dibromoethylidene)-1-(triisopropylsilyl)-5-(trimethylsilyl)penta-1,4-diyne

: 847155-66-2
3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

Guidance literature:: 3-(dibromoethylidene)-1-(triisopropylsilyl)-5-(trimethylsilyl)penta-1,4-diyne; With potassium carbonate; In tetrahydrofuran; methanol; for 0.5h;

p-nitrobenzene iodide; With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine; for 1h;
DOI:10.1002/hlca.200490277

Reference yield:

: 164990-17-4
3-(dibromoethylidene)-1-(triisopropylsilyl)-5-(trimethylsilyl)penta-1,4-diyne

: 847155-66-2
3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

Guidance literature:: Multi-step reaction with 2 steps

1: K₂CO₃ / tetrahydrofuran; methanol / 0.25 h

2: 164 mg / CuI; Et₃N / PdCl₂(PPh₃)2 / tetrahydrofuran

With copper(l) iodide; potassium carbonate; triethylamine; bis-triphenylphosphine-palladium(II) chloride; In tetrahydrofuran; methanol;
DOI:10.1002/ejoc.200500287

Reference yield:

: 636-98-6
p-nitrobenzene iodide

: 596122-62-2
3-(dibromomethylidene)-1-triisopropylsilylpenta-1,4-diyne

: 847155-66-2
3-(dibromomethylidene)-1-(4-nitrophenyl)-5-(triisopropylsilyl)penta-1,4-diyne

Guidance literature:: With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride; In tetrahydrofuran;
DOI:10.1002/ejoc.200500287