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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2194458Generated: October 30, 2026

2-Chloro-4-(2-(trimethylsilyl)ethynyl)pyridine → 5-[4-(2-chloro-pyridin-4-ylethynyl)-2-methyl-imidazol-1-yl]-2-ethyl-2H-pyridazin-3-one

https://huagongshe.com/reaction/2194458

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloro-4-(2-(trimethylsilyl)ethynyl)pyridineHCID 21985391—
Reactant2-ethyl-5-(4-iodo-2-methyl-imidazol-1-yl)-2H-pyridazin-3-oneHCID 66865736—
Product5-[4-(2-chloro-pyridin-4-ylethynyl)-2-methyl-imidazol-1-yl]-2-ethyl-2H-pyridazin-3-oneHCID 58111202—

Reaction Steps

The title compound, light yellow crystalline solid, MS: m/e=339.1, 340.6 (M+H+), was prepared in accordance with the general method of example 35 from 2-ethyl-5-(4-iodo-2-methyl-imidazol-1-yl)-2H-pyridazin-3-one and 2-chloro-4-trimethylsilanylethynyl-pyridine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08334287B2
Source datasetuspto-grants-2012_12
ORD IDord-b2b4a8b42a784ef2b104f3ed34ea2e64
Source noteuspto-grants-2012_12