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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2381518Generated: November 3, 2026

HCID 57919191, compound → 3-cyclopentyl-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-2-[4-(2-methyl-4-oxo-4H-pyran-3-yloxy)-6-oxo-6H-pyridazin-1-yl]-propionamide

https://huagongshe.com/reaction/2381518

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 57919191HCID 57919191—
Reactant(R)-1-((2,2-Dimethyl-1,3-dioxolan-4-yl)methyl)-1H-pyrazol-3-amineHCID 59344941—
Product3-cyclopentyl-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-2-[4-(2-methyl-4-oxo-4H-pyran-3-yloxy)-6-oxo-6H-pyridazin-1-yl]-propionamideHCID 86635180—

Reaction Steps

Using the method described in Example 49, 3-cyclopentyl-2-[4-(2-methyl-4-oxo-4H-pyran-3-yloxy)-6-oxo-6H-pyridazin-1-yl]-propionic acid (Intermediate 75) and 1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-ylamine (Intermediate 4) afforded 3-cyclopentyl-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-2-[4-(2-methyl-4-oxo-4H-pyran-3-yloxy)-6-oxo-6H-pyridazin-1-yl]-propionamide as a white solid as a mixture of diastereomers (1.37 g, 92%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08258134B2
Source datasetuspto-grants-2012_09
ORD IDord-20a1111e077d43b8baa2df1556ec5790
Source noteuspto-grants-2012_09