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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872739Generated: October 26, 2026

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid → (S)-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-5-methyl-1,3,4-oxadiazole-2-carboxamide

https://huagongshe.com/reaction/872739

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Methyl-1,3,4-oxadiazole-2-carboxylic acidHCID 19811946—
Reactant(S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrileHCID 67170882—
Product(S)-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-5-methyl-1,3,4-oxadiazole-2-carboxamideHCID 706572453.7%

Reaction Steps

(S)—N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-5-methyl-1,3,4-oxadiazole-2-carboxamide was prepared using the method of Example 34(d) starting from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile (200 mg, 0.652 mmol) and 5-methyl-1,3,4-oxadiazole-2-carboxylic acid (100 mg, 0.782 mmol). The product was purified twice by Flash-chromatography (normal phase and reverse phase). Yield 3.7%. 1H-NMR (400 MHz; MeOD): δ 1.28 (d, 3H), 2.58 (s, 3H), 4.30-4.44 (m, 2H), 4.53-4.64 (m, 1H), 6.76-6.78 (m, 1H), 7.71 (d, 1H), 7.76-7.80 (m, 1H), 7.86-7.90 (m, 1H), 8.02-8.04 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-6535e1fc787646daaae9ac081746c2d2
Source noteuspto-grants-2015_03