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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898621Generated: October 30, 2026

1-Ethyl-1H-pyrazole-4-boronic acid, pinacol ester → 2-[1-(4-Fluorophenyl)-1H-pyrazol-4-yl]-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-1-(4-cyano-piperidine-1-carbonyl)-2,2-dimethyl-propyl]-amide

https://huagongshe.com/reaction/1898621

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-1H-pyrazole-4-boronic acid, pinacol esterHCID 11379045—
Reactant1-(4-Fluorophenyl)pyrazole-4-boronic acidHCID 46738684—
Reactant(R)-2-amino-3,3-dimethyl-1-(pyrrolidin-1-yl)butan-1-one hydrochlorideHCID 57516598—
Reactant1-((R)-2-amino-3,3-dimethyl-butyryl)-piperidine-4-carbonitrile trifluoroacetateHCID 67386048—
Product2-[1-(4-Fluorophenyl)-1H-pyrazol-4-yl]-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-1-(4-cyano-piperidine-1-carbonyl)-2,2-dimethyl-propyl]-amideHCID 58438577—

Reaction Steps

Prepared according to the procedure outlined in Example 2 substituting 1-((R)-2-amino-3,3-dimethyl-butyryl)-piperidine-4-carbonitrile trifluoroacetate for (R)-2-amino-3,3-dimethyl-1-pyrrolidin-1-yl-butan-1-one hydrochloride in Step 1 and 1-(4-fluorophenyl)-1H-pyrazole-4-boronic acid for 1-ethyl-1H-pyrazole-4-boronic acid pinacol ester in Step 2. MS: (M+H)+=529.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518945B2
Source datasetuspto-grants-2013_08
ORD IDord-f3e1183f040548e8bbce0aaabfc793e4
Source noteuspto-grants-2013_08