3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid

Base Information

Chemical Name:3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid
CAS No.:1271521-35-7
Molecular Formula:C₁₉H₂₅N₃O₆S
Molecular Weight:423.49
Hs Code.:

Synonyms:3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid

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Chemical Property of 3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid

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Technology Process of 3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid

There total 9 articles about 3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid 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: 32.0%

: 1271521-34-6
dimethyl 2-[(4-but-2-ynyloxybenzoylamino)methyl]-2-(4-methanesulphonylpiperazin-1-yl)malonate

: 1271521-35-7
3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid

Guidance literature:: dimethyl 2-[(4-but-2-ynyloxybenzoylamino)methyl]-2-(4-methanesulphonylpiperazin-1-yl)malonate; With water; sodium hydroxide; In tetrahydrofuran; methanol; at 20 ℃; for 48h;

With hydrogenchloride; In tetrahydrofuran; methanol; water; ethyl acetate; pH=6;

Reference yield:

: 99-76-3,156291-94-0
methyl 4-hydroxylbenzoate

: 1271521-35-7
3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: potassium carbonate / butanone / 23 h / 20 °C / Reflux

2.1: sodium hydroxide; water / tetrahydrofuran / 23 h / 45 °C / Reflux

2.2: pH 6

3.1: N-cyclohexyl-cyclohexanamine / dichloromethane / 0.5 h / 20 °C

3.2: 1.5 h / 0 - 20 °C

4.1: triethylamine / tetrahydrofuran / 1 h / 20 °C

5.1: triethylamine / dichloromethane / 3 h / 20 °C

6.1: sodium hydroxide; water / tetrahydrofuran; methanol / 48 h / 20 °C

6.2: pH 6

With water; potassium carbonate; triethylamine; N-cyclohexyl-cyclohexanamine; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane; butanone;

Reference yield:

: 554450-77-0
dimethyl 2-(4-tert-butoxycarbonylpiperazin-1-yl)malonate

: 1271521-35-7
3-(4-but-2-ynyloxybenzoylamino)-2-(4-methane-sulphonylpiperazin-1-yl)propanoic acid

Guidance literature:: Multi-step reaction with 5 steps

1.1: sodium hydride / tetrahydrofuran / 0.5 h / 2 - 20 °C

1.2: 20 h / 2 - 20 °C

2.1: hydrazine hydrate / methanol / 3 h / -5 - 20 °C

3.1: triethylamine / tetrahydrofuran / 1 h / 20 °C

4.1: triethylamine / dichloromethane / 3 h / 20 °C

5.1: sodium hydroxide; water / tetrahydrofuran; methanol / 48 h / 20 °C

5.2: pH 6

With hydrazine hydrate; water; sodium hydride; triethylamine; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane;