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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1971103Generated: October 26, 2026

(2S)-2-Amino-N,3,3-trimethylbutanamide → (S)-tert-butyl 3-benzoyl-1-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-ylcarbamoyl)-5,6-dihydroimidazo[1,5-a]pyrazine-7(8H)-carboxylate

https://huagongshe.com/reaction/1971103

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2S)-2-Amino-N,3,3-trimethylbutanamideHCID 445856—
ReactantImidazo[1,5-a]pyrazine-1,7(8h)-dicarboxylic acid,3-benzoyl-5,6-dihydro-,7-(1,1-dimethylethyl)esterHCID 57635676—
Product(S)-tert-butyl 3-benzoyl-1-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-ylcarbamoyl)-5,6-dihydroimidazo[1,5-a]pyrazine-7(8H)-carboxylateHCID 57635475—

Reaction Steps

Intermediate 25B was synthesized in the same manner as described above for compound 22A in Example 22 except that Intermediate 25A was used in place of 3B and L-tert-Leucine methylamide was used instead of (S)-methyl 2-amino-3,3-dimethylbutanoate. LCMS (+ESI) m/z 498.3 [M+H]+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08431565B2
Source datasetuspto-grants-2013_04
ORD IDord-3772a9b66df74f229b370e1c8ed2d8de
Source noteuspto-grants-2013_04