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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 928319Generated: October 31, 2026

2-Butynoic acid → (S)-4-(8-Amino-3-(1-but-2-ynoylpyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)benzamide

https://huagongshe.com/reaction/928319

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Butynoic acidHCID 68535—
Reactant(S)-4-(8-Amino-3-(pyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)benzamideHCID 71607621—
Product(S)-4-(8-Amino-3-(1-but-2-ynoylpyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)benzamideHCID 8672030919.2%

Reaction Steps

This compound was prepared, in an analogous manner as described in Example 2, from (S)-4-(8-amino-3-(pyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)benzamide (intermediate 15) and 2-butynoic acid, to afford the title compound (7 mg, 19.2%). Data: UPLC (C) Rt: 2.41 min; m/z 526.3 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09290504B2
Source datasetuspto-grants-2016_03
ORD IDord-cf0b16499bab49a99810ef2f91064a1d
Source noteuspto-grants-2016_03