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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 589196Generated: October 30, 2026

Hydrochloric Acid → 1-(7-Amino-5-(3,8-diazabicyclo[3.2.1]octan-3-yl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-6-yl)ethanone

https://huagongshe.com/reaction/589196

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTert-butyl 3-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-(1-ethoxyvinyl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylateHCID 67295001—
SolventWaterHCID 962—
Product1-(7-Amino-5-(3,8-diazabicyclo[3.2.1]octan-3-yl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-6-yl)ethanoneHCID 67294581—

Reaction Steps

The tert-butyl 3-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-(1-ethoxyvinyl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylate (31 mg) was treated with 4N HCl in H2O (2 mL) and Dixoane (2 mL) until the disappearance of starting material in LCMS. Concentration afforded crude 1-(7-amino-5-(3,8-diazabicyclo[3.2.1]octan-3-yl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-6-yl)ethanone, which was used for next step without further purification, LCMS tR=1.08 Min (10 min run, UV254nm). Mass calculated for, M+H 440.2, observed LC/MS m/z 440.2 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09227971B2
Source datasetuspto-grants-2016_01
ORD IDord-2da378169e7446b5b9a510c2c0a69c57
Source noteuspto-grants-2016_01