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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2103703Generated: November 1, 2026

3(2H)-Pyridazinone → HCID 178426924, compound

https://huagongshe.com/reaction/2103703

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3(2H)-PyridazinoneHCID 68153—
Reactant2-Hydroxy-5-methylpyridineHCID 70482—
ReactantHCID 178461421HCID 178461421—
ProductHCID 178426924HCID 178426924—

Reaction Steps

The title compound was prepared according to the procedure described in Example 22, except for substituting the product of Example 52A for the product of Example 1E and substituting 5-methyl-2-pyridone for 3(2H)-pyridazinone. 1H NMR (400 MHz, CDCl3) δ ppm 8.02 (d, J=8.59 Hz, 1H) 7.88 (d, J=2.15 Hz, 1H) 7.42 (dd, J=8.59, 1.84 Hz, 1H) 7.26-7.30 (m, 1H) 7.15 (s, 1H) 6.62 (d, J=9.21 Hz, 1H) 3.51-3.64 (m, 1H) 3.13-3.27 (m, 1H) 2.90-3.02 (m, 1H) 2.62-2.72 (m, 2H) 2.28-2.40 (m, 2H) 2.13 (s, 3H) 2.12 (s, 3H) 1.02 (d, J=6.44 Hz, 6H). MS: (M+H)+=368.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07576110B2
Source datasetuspto-grants-2009_08
ORD IDord-fa09a40c7a8c43389db37584a97a18e4
Source noteuspto-grants-2009_08