Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2425639Generated: October 25, 2026

tert-Butyl piperazine-1-carboxylate → 4-[(4S,5R)-2-(4-tert-Butyl-2-ethoxy-phenyl)-4,5-bis-(4-chloro-phenyl)-4,5-dihydro-imidazole-1-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/2425639

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant(4S,5R)-2-(4-tert-butyl-2-ethoxy-phenyl)-4,5-bis-(4-chloro-phenyl)-4,5-dihydro-imidazole-1-carbonyl chlorideHCID 57732375—
Product4-[(4S,5R)-2-(4-tert-Butyl-2-ethoxy-phenyl)-4,5-bis-(4-chloro-phenyl)-4,5-dihydro-imidazole-1-carbonyl]-piperazine-1-carboxylic acid tert-butyl esterHCID 57732349—

Reaction Steps

4-[(4S,5R)-2-(4-tert-Butyl-2-ethoxy-phenyl)-4,5-bis-(4-chloro-phenyl)-4,5-dihydro-imidazole-1-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester was prepared from (4S,5R)-2-(4-tert-butyl-2-ethoxy-phenyl)-4,5-bis-(4-chloro-phenyl)-4,5-dihydro-imidazole-1-carbonyl chloride (example 11) and tert-butyl piperazine-1-carboxylate in an analogous manner as described in example 25. LR-MS: 679.4 [(M+H)+]

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07964724B2
Source datasetuspto-grants-2011_06
ORD IDord-ed3e4d1b994f41d99f244517a7e9de42
Source noteuspto-grants-2011_06