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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 47525Generated: October 25, 2026

Acetyl chloride → 1-[1-(1-methoxycarbonylpiperidin-4-yl)-piperidin-4-yl]-3-(methylsulfonyl)-1,3-dihydro-2H-imidazo-[4,5-b]pyridin-2-one

https://huagongshe.com/reaction/47525

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetyl chlorideHCID 6367—
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant1-[1-(1-methoxycarbonylpiperidin-4-yl)piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-oneHCID 22745218—
Reactant1-[1-(1-methoxycarbonylpiperidin-4-yl)-piperidin-4-yl]-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-oneHCID 22745299—
Product1-[1-(1-methoxycarbonylpiperidin-4-yl)-piperidin-4-yl]-3-(methylsulfonyl)-1,3-dihydro-2H-imidazo-[4,5-b]pyridin-2-oneHCID 9954760—

Reaction Steps

Example 12 was repeated except that the 1-[1-(1-methoxycarbonylpiperidin-4-yl)piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one was replaced with 1-[1-(1-methoxycarbonylpiperidin-4-yl)-piperidin-4-yl]-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one which was prepared by the method of Referential Example 7 and that acetyl chloride was replaced with methanesulfonyl chloride. The title compound was obtained as a colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06699880B1
Source datasetuspto-grants-2004_03
ORD IDord-bd1a1038ebf34f8091cf9ad59320ed69
Source noteuspto-grants-2004_03