4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine

Base Information

Chemical Name:4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine
CAS No.:73706-54-4
Molecular Formula:C₁₉H₂₃NO
Molecular Weight:281.398
Hs Code.:

Synonyms:4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine

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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 4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine

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Technology Process of 4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine

There total 1 articles about 4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine 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: 38.0%

: 826-36-8
2,2,6,6-Tetramethyl-4-piperidone

: 935-14-8
1,4-diethynylbenzene

: 73706-54-4
4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine

Guidance literature:: With potassium hydroxide; In tetrahydrofuran; at -40 ℃; for 1h;
DOI:10.1007/BF00951890

Reference yield: 74.6%

: 73706-54-4
4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine

: 73645-89-3
4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidin-1-oxyl

Guidance literature:: With Na₂WO₅*2H₂O; dihydrogen peroxide; In methanol; at 20 ℃; for 192h;
DOI:10.1007/BF00951890

Reference yield:

: 73706-54-4
4-hydroxy-4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethylpiperidine

: 73645-90-6
4-(p-ethynylphenylethynyl)-2,2,6,6-tetramethyl-Δ³-piperidin-1-oxyl

Guidance literature:: Multi-step reaction with 2 steps

1: 74.6 percent / Na₂WO₅, H₂O₂ / methanol / 192 h / 20 °C

2: 57.6 percent / POCl₃ / pyridine / 20 h / 20 °C

With Na₂WO₅*2H₂O; dihydrogen peroxide; trichlorophosphate; In pyridine; methanol;
DOI:10.1007/BF00951890