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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 57974Generated: October 26, 2026

1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 3-(6-Hydroxy-1,4-diazepan-1-yl)-1-methyl-5-(6-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[4,3-c]pyridin-1-yl)pyrazin-2(1H)-one

https://huagongshe.com/reaction/57974

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 2773987—
Reactant3,5-Dibromo-1-methyl-1H-pyrazin-2-oneHCID 13062969—
Reactant1,4-Diazepan-6-olHCID 21114275—
Reactant6-Chloro-1H-pyrazolo(4,3-c)pyridineHCID 56932109—
Product3-(6-Hydroxy-1,4-diazepan-1-yl)-1-methyl-5-(6-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[4,3-c]pyridin-1-yl)pyrazin-2(1H)-oneHCID 867071567.2%

Reaction Steps

Following the procedures as described in Example 124 and starting with 1,4-diazepan-6-ol, 3,5-dibromo-1-methylpyrazin-2(1H)-one, 6-chloro-1H-pyrazolo[4,3-c]pyridine, and 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 254 was obtained as a yellow solid (80 mg, 7.2%) over five steps. 1H NMR (500 MHz, DMSO-d6) δ (ppm) 9.09 (s, 1H), 8.43 (s, 1H), 8.30 (s, 1H), 8.29 (s, 1H), 8.05 (s, 1H), 8.00 (s, 1H), 4.91 (s, 1H), 4.49 (m, 1H), 3.92 (m, 1H), 3.89 (s, 3H), 3.70-3.71 (m, 2H), 3.51 (s, 3H), 2.99-3.02 (m, 1H), 2.90-2.91 (m, 1H), 2.74-2.86 (m, 2H); MS (ESI) m/z: 422 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434725B2
Source datasetuspto-grants-2016_09
ORD IDord-7433d3c2b28442f69cffb0e1ccadbe21
Source noteuspto-grants-2016_09