(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

Base Information

Chemical Name:(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester
CAS No.:955406-89-0
Molecular Formula:C₂₄H₂₆Cl₂F₃N₃O₆S
Molecular Weight:612.454
Hs Code.:

(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

Synonyms:(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

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Chemical Property of (R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

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Technology Process of (R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

There total 1 articles about (R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl 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:

: 358-23-6
trifluoromethylsulfonic anhydride

: 955406-87-8
(R)-4-[3-(2,6-dichloro-4-hydroxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

: 955406-86-7
(R)-4-[3-(2,6-dichloro-4-hydroxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-1-carboxylic acid tert-butyl ester

: 955406-89-0
(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

: 955406-88-9
(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-1-carboxylic acid tert-butyl ester

Guidance literature:: With pyridine; at 0 - 20 ℃; for 1.5h;

Reference yield: 89.0%

: 955406-89-0
(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

: 955406-88-9
(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-1-carboxylic acid tert-butyl ester

: 1765-93-1
4-fluoroboronic acid

: 955407-66-6
(3R)-3-(3,5-dichloro-4'-fluoro-biphenyl-4-ylmethyl)-1-(4,5,6,7-tetrahydro-1H-indazol-4-yl)-pyrrolidin-2-one

Guidance literature:: (R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester; (R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-1-carboxylic acid tert-butyl ester; 4-fluoroboronic acid; With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; water; at 80 ℃; for 1h;

With lithium hydroxide; water; In tetrahydrofuran; at 20 ℃; for 1h; Product distribution / selectivity;

Reference yield:

: 955406-89-0
(R)-4-[3-(2,6-dichloro-4-trifluoromethanesulfonyloxy-benzyl)-2-oxo-pyrrolidin-1-yl]-4,5,6,7-tetrahydro-indazole-2-carboxylic acid tert-butyl ester

: 1765-93-1
4-fluoroboronic acid

: 955407-81-5
C₂₄H₂₂Cl₂FN₃O

: 955407-82-6
C₂₄H₂₂Cl₂FN₃O

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / tetrahydrofuran; water / 1 h / 80 °C

1.2: 1 h / 20 °C

2.1: n-heptane; isopropyl alcohol / Resolution of racemate

With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; n-heptane; water; isopropyl alcohol;