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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1678828Generated: October 27, 2026

Piperonal → 2-Benzo[1,3]dioxol-5-yl-2-[6-chloro-2-(cyclohexyl-methoxy-methyl)-5-fluoro-benzoimidazol-1-yl]-N-cyclopentyl-acetamide

https://huagongshe.com/reaction/1678828

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperonalHCID 8438—
Reactant3-Chlorophenylacetic acidHCID 15879—
ReactantCyclohexanecarboxaldehydeHCID 16275—
ReactantCyclohexyl isocyanideHCID 79129—
ReactantCyclopentyl IsocyanideHCID 2734784—
Reactant2-Cyclohexyl-2-methoxyacetic acidHCID 21505102—
Reactant2-(2-Benzyl-6-chloro-5-fluoro-benzoimidazol-1-yl)-2,N-dicyclohexyl-acetamideHCID 67373623—
Product2-Benzo[1,3]dioxol-5-yl-2-[6-chloro-2-(cyclohexyl-methoxy-methyl)-5-fluoro-benzoimidazol-1-yl]-N-cyclopentyl-acetamideHCID 67373916—

Reaction Steps

The title compound was prepared in analogy to Example 1, replacing (2-amino-4,5-difluoro-phenyl)-carbamic acid tert-butyl ester with (2-amino-4-chloro-5-fluoro-phenyl)-carbamic acid tert-butyl ester (([CAS RN 579474-50-3]), Example 47), cyclohexanecarbaldehyde with piperonal ([CAS RN 120-57-0]), (3-chloro-phenyl)-acetic acid with DL-cyclohexyl-methoxy-acetic acid ([CAS RN 15540-18-8]) and cyclohexyl isocyanide with cyclopentyl isocyanide ([CAS RN 68498-54-4]). MS (ISP): 542.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08008503B2
Source datasetuspto-grants-2011_08
ORD IDord-7786a9956e56470baba569c9e8567498
Source noteuspto-grants-2011_08