methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester

Base Information

Chemical Name:methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester
CAS No.:1335213-36-9
Molecular Formula:C₂₁H₂₇ClN₂O₃S
Molecular Weight:422.976
Hs Code.:

Synonyms:methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester

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Chemical Property of methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester

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Technology Process of methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester

There total 6 articles about methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl 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: 81.0%

: 1335213-32-5
2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethanol

: 124-63-0
methanesulfonyl chloride

: 1335213-36-9
methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester

Guidance literature:: With triethylamine; In dichloromethane; at 0 - 25 ℃; for 2h;

Reference yield:

: 409099-31-6
3-benzotriazol-1-yl-2-cyclohexyl-3-oxo-propionic acid ethyl ester

: 1335213-36-9
methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: lithium diisopropyl amide / n-heptane; tetrahydrofuran; ethylbenzene / 2.42 h / -78 °C / Inert atmosphere

1.2: 14 h / 20 °C / Inert atmosphere

2.1: ethanol / 6 h / Reflux

3.1: lithium aluminium tetrahydride / tetrahydrofuran; (2S)-N-methyl-1-phenylpropan-2-amine hydrate / 1.08 h / 0 °C

3.2: Cooling with ice

4.1: triethylamine / dichloromethane / 2 h / 0 - 25 °C

With lithium aluminium tetrahydride; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; ethanol; n-heptane; dichloromethane; ethylbenzene;

Reference yield:

: chlorocarbonyl-cyclohexyl-acetic acid ethyl ester

: 1335213-36-9
methanesulfonic acid 2-[2-(4-chloro-phenyl)-2,4,5,6-tetrahydro-cyclopentapyrazol-3-yl]-2-cyclohexyl-ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1.1: triethylamine / dichloromethane / 14 h / 20 °C / Inert atmosphere

2.1: lithium diisopropyl amide / n-heptane; tetrahydrofuran; ethylbenzene / 2.42 h / -78 °C / Inert atmosphere

2.2: 14 h / 20 °C / Inert atmosphere

3.1: ethanol / 6 h / Reflux

4.1: lithium aluminium tetrahydride / tetrahydrofuran; (2S)-N-methyl-1-phenylpropan-2-amine hydrate / 1.08 h / 0 °C

4.2: Cooling with ice

5.1: triethylamine / dichloromethane / 2 h / 0 - 25 °C

With lithium aluminium tetrahydride; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; ethanol; n-heptane; dichloromethane; ethylbenzene;