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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872630Generated: October 30, 2026

2-Amino-1,3-oxazole-4-carboxylic acid → (S)-2-amino-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)oxazole-4-carboxamide

https://huagongshe.com/reaction/872630

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-1,3-oxazole-4-carboxylic acidHCID 21955402—
Reactant(S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrileHCID 67170882—
Product(S)-2-amino-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)oxazole-4-carboxamideHCID 7065653435.7%

Reaction Steps

(S)-2-amino-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)oxazole-4-carboxamide was prepared using the method of Example 34(d) starting from 2-amino-1,3-oxazole-4-carboxylic acid (0.037 g, 0.288 mmol) and (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile (0.05 g, 0.192 mmol). Yield 35.7%. 1H-NMR (400 MHz; MeOD): δ 1.23 (d, 3H), 4.30 (dd, 1H), 4.37 (dd, 1H), 4.46-4.54 (m, 1H), 6.77 (d, 1H), 7.65 (s, 1H), 7.69 (d, 1H), 7.79 (dd, 1H), 7.91 (dd, 1H), 8.05 (dd, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-32289ee19666453cb635cc2dd43795ec
Source noteuspto-grants-2015_03