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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2381528Generated: November 2, 2026

HCID 57919338, compound → 3-cyclopentyl-2-[4-(2,6-difluoro-3-methyl-phenoxy)-6-oxo-6H-pyridazin-1-yl]-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-propionamide

https://huagongshe.com/reaction/2381528

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 57919338HCID 57919338—
Reactant(R)-1-((2,2-Dimethyl-1,3-dioxolan-4-yl)methyl)-1H-pyrazol-3-amineHCID 59344941—
Product3-cyclopentyl-2-[4-(2,6-difluoro-3-methyl-phenoxy)-6-oxo-6H-pyridazin-1-yl]-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-propionamideHCID 66893881—

Reaction Steps

Using the method described in Example 49, 3-cyclopentyl-2-[4-(2,6-difluoro-3-methyl-phenoxy)-6-oxo-6H-pyridazin-1-yl]-propionic acid (Intermediate 84) and 1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-ylamine (Intermediate 4) afforded 3-cyclopentyl-2-[4-(2,6-difluoro-3-methyl-phenoxy)-6-oxo-6H-pyridazin-1-yl]-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-propionamide as a light yellow solid as a mixture of diastereomers (503.6 mg, 48%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08258134B2
Source datasetuspto-grants-2012_09
ORD IDord-90893ee938ce403b975b33790d1d04f0
Source noteuspto-grants-2012_09