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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898598Generated: October 25, 2026

4-(tert-Butyl)-2-(tributylstannyl)pyridine → 2-(4-Cyclopentyloxy-pyridin-2-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/1898598

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(tert-Butyl)-2-(tributylstannyl)pyridineHCID 57516631—
Reactant4-Cyclopentyloxy-2-tributylstannanyl-pyridineHCID 57516636—
Reactant2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-]pyrazine-7-carboxylic acid [(R)-1-(4-cyano-piperidine-1-carbonyl)-2,2-dimethyl-propyl]-amideHCID 58438532—
Reactant2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(4-cyano-piperidin-1-yl)-1-cyclopropyl-2-oxo-ethyl]-amideHCID 86657873—
Product2-(4-Cyclopentyloxy-pyridin-2-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-1-(4-cyano-piperidine-1-carbonyl)-2,2-dimethyl-propyl]-amideHCID 58438611—

Reaction Steps

Prepared according to the procedure outlined in Example 111, steps 4-5 substituting 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-1-(4-cyano-piperidine-1-carbonyl)-2,2-dimethyl-propyl]-amide for 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(4-cyano-piperidin-1-yl)-1-cyclopropyl-2-oxo-ethyl]-amide and 4-cyclopentyloxy-2-tributylstannanyl-pyridine for 4-tert-butyl-2-(tributylstannyl)pyridine. MS: (M+H)+=530.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518945B2
Source datasetuspto-grants-2013_08
ORD IDord-9723ddc2396f47848b0e3c1f0cd10796
Source noteuspto-grants-2013_08