Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2047523Generated: November 2, 2026

3(2H)-Pyridazinone → HCID 178426922, compound

https://huagongshe.com/reaction/2047523

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3(2H)-PyridazinoneHCID 68153—
Reactant2-Hydroxy-5-methylpyridineHCID 70482—
ReactantHCID 178461421HCID 178461421—
ProductHCID 178426922HCID 178426922—

Reaction Steps

The title compound was prepared according to the procedure described in Example 22, substituting the product of Example 11A for the product of Example 1E and substituting 5-methyl-2(1H)-pyridone for 3(2H)-pyridazinone. 1H NMR (500 MHz, CDCl3) δ ppm 8.02 (d, J=8.42 Hz, 1H) 7.88 (d, J=2.18 Hz, 1H) 7.42 (dd, J=8.58, 2.03 Hz, 1H) 7.28 (dd, J=9.36, 2.50 Hz, 1H) 7.15 (s, 1H) 6.62 (d, J=9.36 Hz, 1H) 3.59-3.69 (m, 1H) 3.15-3.25 (m, 1H) 3.01-3.10 (m, 1H) 2.77-2.85 (m, 1H) 2.60-2.67 (m, 1H) 2.33-2.56 (m, 3H) 2.12 (s, 3H) 1.93-2.03 (m, 1H) 1.79-1.88 (m, 1H) 1.68-1.77 (m, 1H) 1.45-1.64 (m, 2H) 1.16 (s, 3H). MS: (M+H)+=380.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08592467B2
Source datasetuspto-grants-2013_11
ORD IDord-8cfd6bfb47fa4d7db38a48319e7ca9c9
Source noteuspto-grants-2013_11