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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 59544Generated: October 28, 2026

Pivaloyl chloride → HCID 136246076, compound

https://huagongshe.com/reaction/59544

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPivaloyl chlorideHCID 62493—
ReactantDiisopropylethylamineHCID 81531—
Reactant5-(5-(aminomethyl)-2-chlorophenyl)-2-(3-chloro-4-fluorophenyl)-2H-1,2,4-triazol-3(4H)-oneHCID 136644851—
SolventTetrahydrofuranHCID 8028—
ProductHCID 136246076HCID 13624607613.4%

Reaction Steps

The title compound was prepared according to the procedure described in Example-108 by using 5-(5-(aminomethyl)-2-chlorophenyl)-2-(3-chloro-4-fluorophenyl)-2H-1,2,4-triazol-3(4H)-one (Intermediate-92, 0.300 g, 0.852 mmol), pivaloyl chloride (0.108 g, 0.852 mmol), DIPEA (2.0 mL), dry THF (10 mL) to afford 0.050 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 1.13 (s, 9H), 4.29 (d, J=5.4 Hz, 2H), 7.40 (d, J=7.8 Hz, H-0, 7.52-7.59 (m, 3H), 7.91-8.18 (m, 3H), 12.65 (s, 11-0; MS (m/z): 437.23 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09439890B2
Source datasetuspto-grants-2016_09
ORD IDord-61641253c8534aa393df85486c81be10
Source noteuspto-grants-2016_09