4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide

Base Information

Chemical Name:4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide
CAS No.:314773-67-6
Molecular Formula:C₃₃H₂₉N₂O₂
Molecular Weight:485.605
Hs Code.:

Synonyms:4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide

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Chemical Property of 4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide

Chemical Property:

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

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Technology Process of 4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide

There total 9 articles about 4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide 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: 20.0%

: 1762-85-2
4''-iodo[1,1';4',1'']terphenyl

: 124774-74-9
para-ethynyl-(4,4,5,5-tetramethyl-4,5-dihydro-1H-3-(N-oxide)-imidazol-1-yloxyl)-phenyl

: 92-94-4,94363-13-0
[1,1';4',1'']terphenyl

: 4,4,5,5-tetramethyl-2-[4-([1,1';4',1'']terphenyl-4-ylethynyl)phenyl]-4,5-dihydro-1H-imidazole

: 4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl

: 314773-67-6
4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide

Guidance literature:: With piperidine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; at 20 ℃; for 1h;
DOI:10.1007/BF02495088

Reference yield: 20.0%

: 1762-85-2
4''-iodo[1,1';4',1'']terphenyl

: 124774-74-9
para-ethynyl-(4,4,5,5-tetramethyl-4,5-dihydro-1H-3-(N-oxide)-imidazol-1-yloxyl)-phenyl

: 4,4,5,5-tetramethyl-2-[4-([1,1';4',1'']terphenyl-4-ylethynyl)phenyl]-4,5-dihydro-1H-imidazole

: 4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl

: 314773-67-6
4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide

Guidance literature:: With piperidine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In benzene; at 20 ℃;
DOI:10.1021/ja037157m

Reference yield:

: 1122-91-4
4-bromo-benzaldehyde

: 314773-67-6
4,4,5,5-tetramethyl-2-(4-[1,1':4',1'']terphenyl-4-ylethynylphenyl)-4,5-dihydro-1H-imidazole 1-oxyl 3-oxide

Guidance literature:: Multi-step reaction with 7 steps

1: 93 percent / Et₃N; PPh₃; CuI / Pd(OAc)2 / benzene / 0.67 h / 75 - 80 °C

2: 92 percent / NaBH₄ / methanol / -20 °C

3: 66 percent / KOH / benzene / 2 h / Heating

4: 74 percent / pyridinium chlorochromate / CH₂Cl₂ / 1 h / -20 °C

5: 83 percent / H₂O; methanol / 24 h / 20 °C

6: 78 percent / NaIO₄ / H₂O; CH₂Cl₂ / 1 h / 10 - 15 °C

7: 20 percent / piperidine; Pd(PPh₃)2Cl₂; CuI / 1 h / 20 - 25 °C

With piperidine; bis-triphenylphosphine-palladium(II) chloride; potassium hydroxide; sodium tetrahydroborate; sodium periodate; copper(l) iodide; triethylamine; triphenylphosphine; pyridinium chlorochromate; palladium diacetate; In methanol; dichloromethane; water; benzene;
DOI:10.1023/A:1015026200647