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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2424530Generated: October 27, 2026

1-Methyl-2-pyrrolecarboxylic acid → 6-[4-(1-METHYL-1H-PYRROLE-2-CARBONYL)PIPERAZIN-1-YL]PYRIDAZINE-3-CARBOXYLIC Acid (2-CYCLOPROPYLETHYL)AMIDE

https://huagongshe.com/reaction/2424530

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-2-pyrrolecarboxylic acidHCID 81453—
ReactantN-(2-cyclopropylethyl)-6-(1-piperazinyl)-3-pyridazinecarboxamideHCID 66849327—
Product6-[4-(1-METHYL-1H-PYRROLE-2-CARBONYL)PIPERAZIN-1-YL]PYRIDAZINE-3-CARBOXYLIC Acid (2-CYCLOPROPYLETHYL)AMIDEHCID 11668074—

Reaction Steps

Following the procedure of Example 9, making variations only as required to use 1-methyl-1H-pyrrole-2-carboxylic acid in place of 2,5-dichlorobenzoic acid to react with 6-piperazin-1-yl-pyridazine-3-carboxylic acid (2-cyclopropylethyl)-amide, the title compound was obtained as a white powder (51.8% yield). 1H NMR (500 MHz, CDCl3) δ 8.07, 8.01, 7.00, 6.75, 6.40, 6.12, 4.00-3.80, 3.58, 1.52, 0.76, 0.48, 0.10. MS (ES+) m/z 383 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07964591B2
Source datasetuspto-grants-2011_06
ORD IDord-5a1ee75b29404cc082d689a5b2a2d34f
Source noteuspto-grants-2011_06