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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2047115Generated: October 31, 2026

5-(Piperidin-4-yl)-3-(quinolin-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine → 3-(1-Methyl-1H-pyrazol-4-yl)-5-(piperidin-4-yl)pyrazolo[1,5-a]pyrimidin-7-amine

https://huagongshe.com/reaction/2047115

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(Piperidin-4-yl)-3-(quinolin-3-yl)pyrazolo[1,5-a]pyrimidin-7-amineHCID 66738082—
Reactanttert-Butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(quinolin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylateHCID 67494438—
Reactanttert-Butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylateHCID 67494469—
Product3-(1-Methyl-1H-pyrazol-4-yl)-5-(piperidin-4-yl)pyrazolo[1,5-a]pyrimidin-7-amineHCID 67494232—

Reaction Steps

3-(1-Methyl-1H-pyrazol-4-yl)-5-(piperidin-4-yl)pyrazolo[1,5-a]pyrimidin-7-amine was synthesized in a manner similar to the synthesis of 5-(piperidin-4-yl)-3-(quinolin-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine, but with tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate substituted for tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(quinolin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08591943B2
Source datasetuspto-grants-2013_11
ORD IDord-261643376e834d4790ece1cbc94deac5
Source noteuspto-grants-2013_11