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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 59543Generated: October 29, 2026

Pivaloyl chloride → HCID 136246038, compound

https://huagongshe.com/reaction/59543

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPivaloyl chlorideHCID 62493—
ReactantDiisopropylethylamineHCID 81531—
Reactant5-(5-(aminomethyl)-2-chlorophenyl)-2-(6-(trifluoromethyl) pyridin-3-yl)-2H-1,2,4-triazol-3(4H)-oneHCID 136492452—
SolventTetrahydrofuranHCID 8028—
ProductHCID 136246038HCID 13624603818.7%

Reaction Steps

The title compound was prepared according to the procedure described in Example-108 by using 5-(5-(aminomethyl)-2-chlorophenyl)-2-(6-(trifluoromethyl)pyridin-3-yl)-2H-1,2,4-triazol-3(4H)-one (Intermediate-91, 0.350 g, 0.945 mmol), pivaloyl chloride (0120 g, 0.945 mmol), DIPEA (2.0 mL), dry THF (10 mL) to afford 0.080 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 1.11 (s, 9H), 4.30 (d, J=6.3 Hz, 2H), 7.43 (d, J=8.4 Hz, 1H), 7.61-7.64 (m, 2H), 8.06 (d, J=9.0 Hz, 1H), 8.19 (m, 1H), 8.58 (d, J=8.4 Hz, 1H), 9.32 (s, 1H), 12.82 (s, 1H); MS (m/z): 454.50 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09439890B2
Source datasetuspto-grants-2016_09
ORD IDord-a8df358b2c4d47c1b58ef7b175085911
Source noteuspto-grants-2016_09