Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 526625Generated: November 1, 2026

(2S)-1,2-dimethylpiperazine dihydrochloride → HCID 178426415, compound

https://huagongshe.com/reaction/526625

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2S)-1,2-dimethylpiperazine dihydrochlorideHCID 66935895—
ReactantHCID 178426451HCID 178426451—
ProductHCID 178426415HCID 178426415—

Reaction Steps

The title compound was prepared in a manner similar to Example 112 using 6-(4-(4-cyano-2-methylphenyl)-5-hydroxy-1H-pyrazol-1-yl)nicotinic acid and (S)-1,2-dimethylpiperazine dihydrochloride. 1H NMR (400 MHz, DMSO-d6) δ ppm 1.16 (br. s., 3H) 2.36 (s, 3H) 2.60 (s, 3H) 2.90 (br. s., 1H) 3.04 (br. s., 1H) 3.26 (br. s., 2H) 3.41-3.57 (m, 1H) 3.73 (d, J=17.68 Hz, 1H) 4.29 (br. s., 1H) 7.59 (dd, J=8.08, 1.52 Hz, 1H) 7.66 (s, 1H) 7.72 (d, J=8.08 Hz, 1H) 8.03 (dd, J=8.59, 2.02 Hz, 1H) 8.10 (s, 1H) 8.35 (d, J=7.83 Hz, 1H) 8.51 (d, J=1.52 Hz, 1H) 12.09 (br. s., 1H); ESI-MS m/z [M+H]+ 417.3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09345713B2
Source datasetuspto-grants-2016_05
ORD IDord-9f7f796ae6a04471bab19ffcf084293d
Source noteuspto-grants-2016_05