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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898665Generated: October 31, 2026

2-(7-chloro-thieno[3,2-b]pyridin-2-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-cyclopropyl-2-oxo-ethyl]-amide → 2-(7-Pyrrolidin-1-yl-thieno[3,2-b]pyridin-2-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide

https://huagongshe.com/reaction/1898665

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(7-chloro-thieno[3,2-b]pyridin-2-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-cyclopropyl-2-oxo-ethyl]-amideHCID 58438587—
Reactant2-(7-chloro-thieno[3,2-b]pyridin-2-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amideHCID 67386534—
Product2-(7-Pyrrolidin-1-yl-thieno[3,2-b]pyridin-2-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amideHCID 58438600—

Reaction Steps

Prepared according to the procedure outlined in Example 155 substituting 2-(7-chloro-thieno[3,2-b]pyridin-2-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide for 2-(7-chloro-thieno[3,2-b]pyridin-2-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-cyclopropyl-2-oxo-ethyl]-amide in step 1. MS: (M+H)+=501.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518945B2
Source datasetuspto-grants-2013_08
ORD IDord-c2112d35746d43798812ff0148649379
Source noteuspto-grants-2013_08