(R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide

Base Information

Chemical Name:(R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide
CAS No.:1003014-33-2
Molecular Formula:C₂₇H₄₃N₃O₅SSi
Molecular Weight:549.807
Hs Code.:

Synonyms:(R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide

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Chemical Property of (R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide

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Technology Process of (R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide

There total 3 articles about (R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide 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%

: 1003013-09-9
1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-ylamine

: 1003014-33-2
(R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide

Guidance literature:: (R)-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionic acid; With oxalyl dichloride; N,N-dimethyl-formamide; In dichloromethane; at 25 ℃; for 0.5h;

With 2,6-dimethylpyridine; In dichloromethane; at 0 ℃; for 0.5h;

1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-ylamine; In dichloromethane; at 0 - 25 ℃; for 2h;

Reference yield:

: 1003013-08-8
1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-nitro-1H-pyrazole

: 1003014-33-2
(R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogen / palladium 10% on activated carbon / methanol; ethyl acetate / 16 h / 25 °C

2.1: oxalyl dichloride / N,N-dimethyl-formamide / dichloromethane / 0.5 h / 25 °C

2.2: 0.5 h / 0 °C

2.3: 2 h / 0 - 25 °C

With oxalyl dichloride; hydrogen; palladium 10% on activated carbon; N,N-dimethyl-formamide; In methanol; dichloromethane; ethyl acetate;

Reference yield:

: 86864-60-0
2-(tert-butyldimethylsilyloxy)ethyl bromide

: 1003014-33-2
(R)-N-{1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-3-cyclopentyl-2-(4-methanesulfonyl-3-methoxy-phenyl)-propionamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium hydride / N,N-dimethyl-formamide / 0.17 h

1.2: 2 h

2.1: hydrogen / palladium 10% on activated carbon / methanol; ethyl acetate / 16 h / 25 °C

3.1: oxalyl dichloride / N,N-dimethyl-formamide / dichloromethane / 0.5 h / 25 °C

3.2: 0.5 h / 0 °C

3.3: 2 h / 0 - 25 °C

With oxalyl dichloride; hydrogen; sodium hydride; palladium 10% on activated carbon; N,N-dimethyl-formamide; In methanol; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;