Dichloromethane methanol → HCID 66734009, compound

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Reaction Steps

According to the general procedure (GP12), chlorination of 8-[2-(3,4-dimethyl-phenyl)-ethyl]-1-iodo-3-methyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazine-7-carboxylic acid tert-butyl ester (1.061 g; 2.142 mmol) and purification by FC (DCM/MeOH=40/1) gave the product 1-chloro-8-[2-(3,4-dimethyl-phenyl)-ethyl]-3-methyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazine-7-carboxylic acid tert-butyl ester as an orange oil (157 mg; 0.388 mmol). LC-MS: tR=1.01 min.; [M+H]+=404.50 g/mol.

Provenance & Evidence