3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical

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Chemical Name:3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical
CAS No.:1310329-29-3
Molecular Formula:C₁₆H₁₈NO₃S
Molecular Weight:304.39
Hs Code.:

Synonyms:3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical

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Chemical Property of 3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical

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Technology Process of 3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical

There total 2 articles about 3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical 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: 15.0%

: 1310329-28-2
4-(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)benzenesulfonyl chloride radical

: 14630-40-1
Bis(trimethylsilyl)ethyne

: 1310329-29-3
3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical

Guidance literature:: 4-(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)benzenesulfonyl chloride radical; With hydrogenchloride; ethanol; ethyl acetate;

With aluminum (III) chloride; In dichloromethane; at 20 ℃; for 0.333333h;

Bis(trimethylsilyl)ethyne; In dichloromethane; at 0 - 20 ℃; for 24h; Inert atmosphere;
DOI:10.1016/j.tetlet.2011.03.077

Reference yield:

: 2,2,5,5-tetramethyl-3-phenyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical

: 1310329-29-3
3-(4-(ethynylsulfonyl)phenyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxyl radical

Guidance literature:: Multi-step reaction with 2 steps

1.1: chlorosulfonic acid / 2 h / 0 - 20 °C

1.2: 0.17 h

2.1: hydrogenchloride; ethanol; ethyl acetate

2.2: 0.33 h / 20 °C

2.3: 24 h / 0 - 20 °C / Inert atmosphere

With hydrogenchloride; chlorosulfonic acid; ethanol; ethyl acetate;
DOI:10.1016/j.tetlet.2011.03.077