3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

Base Information

Chemical Name:3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester
CAS No.:878494-88-3
Molecular Formula:C₂₉H₃₄N₂O₅S
Molecular Weight:522.665
Hs Code.:

Synonyms:3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

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Chemical Property of 3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

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Technology Process of 3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

There total 3 articles about 3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester 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:

: 878494-37-2
O-acetoacetylTEMPO

: 50562-79-3
1-(4-tolylsulfonyl)indole-3-carboxaldehyde

: 878494-88-3
3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

: 3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(E)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

Guidance literature:: With piperidine; acetic acid; In dichloromethane; at 0 - 20 ℃;
DOI:10.1021/jo051952w

Reference yield:

: 2564-83-2,45842-10-2,126517-51-9,25657-03-8,26933-82-4,54637-06-8,64104-42-3
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

: 878494-88-3
3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: Na; C₁₀H₈ / tetrahydrofuran / -60 - 20 °C

1.2: Me₃SiCl / tetrahydrofuran / 20 °C

1.3: 81 percent / tetrahydrofuran / 24 h / 20 °C

2.1: piperidine; AcOH / CH₂Cl₂ / 0 - 20 °C

With piperidine; naphthalene; sodium; acetic acid; In tetrahydrofuran; dichloromethane; 2.1: Knoevenagel condensation;
DOI:10.1021/jo051952w

Reference yield:

: 96927-53-6
1-acetoxy-2,2,6,6-tetramethylpiperidine

: 878494-88-3
3-Oxo-2-[1-[1-(toluene-4-sulfonyl)-1H-indol-3-yl]-meth-(Z)-ylidene]-butyric acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: LDA / tetrahydrofuran; hexane / 1.33 h / -78 °C

1.2: 49 percent / tetrahydrofuran; hexane / 4 h / -78 - 0 °C

2.1: piperidine; AcOH / CH₂Cl₂ / 0 - 20 °C

With piperidine; acetic acid; lithium diisopropyl amide; In tetrahydrofuran; hexane; dichloromethane; 1.2: Claisen condensation / 2.1: Knoevenagel condensation;
DOI:10.1021/jo051952w