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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2103709Generated: October 30, 2026

3(2H)-Pyridazinone → HCID 178426919, compound

https://huagongshe.com/reaction/2103709

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3(2H)-PyridazinoneHCID 68153—
Reactant2-Hydroxy-5-methylpyridineHCID 70482—
ReactantHCID 178461421HCID 178461421—
ProductHCID 178426919HCID 178426919—

Reaction Steps

The title compound was prepared according to the procedure described in Example 22, substituting the product of Example 62A for the product of Example 1E and substituting 5-methyl-2(1H)-pyridone for 3(2H)-pyridazinone. 1H NMR (300 MHz, CDCl3) δ ppm 8.03 (d, J=9.15 Hz, 1H) 7.87-7.90 (m, 1H) 7.44 (td, J=9.00, 2.03 Hz, 1H) 7.29 (dt, J=9.00, 2.37 Hz, 2H) 7.15 (s, 1H) 6.63 (d, J=9.15 Hz, 1H) 3.61-3.73 (m, 1H) 3.03-3.16 (m, 1H) 2.43-2.78 (m, 6H) 2.12 (s, 3H) 1.81-1.91 (m, 4H) 1.51-1.61 (m, 2H). MS: (M+H)+=366.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07576110B2
Source datasetuspto-grants-2009_08
ORD IDord-4af7171930c94b0aafd9f9c38182f48f
Source noteuspto-grants-2009_08