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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2165204Generated: November 2, 2026

Methyl 3-[3-[4-[4-(4-fluorobenzoyl)piperidin-1-yl]butyl]-2,4-dioxothieno[3,4-d]pyrimidin-1-yl]propanoate → 3-[3-[4-[4-(4-Fluorobenzoyl)piperidin-1-yl]butyl]-2,4-dioxothieno[3,4-d]pyrimidin-1-yl]propanoic acid

https://huagongshe.com/reaction/2165204

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 3-[3-[4-[4-(4-fluorobenzoyl)piperidin-1-yl]butyl]-2,4-dioxothieno[3,4-d]pyrimidin-1-yl]propanoateHCID 15070686—
SolventDiethyl EtherHCID 3283—
Product3-[3-[4-[4-(4-Fluorobenzoyl)piperidin-1-yl]butyl]-2,4-dioxothieno[3,4-d]pyrimidin-1-yl]propanoic acidHCID 2304368086.8%

Reaction Steps

The above ester (1.6 g, 3.1 mmol) was hydrolyzed to its corresponding carboxylic acid as described in Example 1. There was obtained 1.35 g (86.7%) of 3-[3-[4-[4-(4-fluorobenzoyl)piperidin-1-yl]butyl]-2,4-dioxothieno[3,4-d]pyrimidin-1-yl]propanoic acid after trituration with ether.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04939137
Source datasetuspto-grants-1990_07
ORD IDord-e36e34e24b1c4ce0a3e9e9741dc33cbd
Source noteuspto-grants-1990_07