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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79210Generated: October 28, 2026

Hydrochloric Acid → 9-cyclopentyl-N-(5-(1-piperazinylcarbonyl)-2-pyridinyl)-9 H-pyrido[4',3':4,5]-pyrrolo[2,3-d]pyrimidin-2-amine

https://huagongshe.com/reaction/79210

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-Butyl 4-(2-chloronicotinoyl)piperazine-1-carboxylateHCID 4321619—
Reactant9-Cyclopentyl-9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidin-2-amineHCID 58299585—
Product9-cyclopentyl-N-(5-(1-piperazinylcarbonyl)-2-pyridinyl)-9 H-pyrido[4',3':4,5]-pyrrolo[2,3-d]pyrimidin-2-amineHCID 58299619—

Reaction Steps

Compound 350 was prepared as a light yellow solid (HCl salt) from compound 4 and compound 351 using chemistry similar to that described in example 200. 1H NMR (500 MHz, DMSO-d6) δ ppm 11.06 (1 H, br. s.), 9.70 (1 H, s), 9.47 (1 H, s), 9.39 (2 H, br. s.), 8.67-8.75 (2 H, m), 8.51 (1 H, d, J=1.7 Hz), 8.37 (1 H, d, J=8.6 Hz), 8.02 (1 H, dd, J=8.7, 2.3 Hz), 5.43 (1 H, dq, J=8.9, 8.8 Hz), 3.77 (4 H, br. s.), 3.18 (4 H, br. s.), 2.42-2.48 (2 H, m), 2.02-2.20 (4 H, m), 1.70-1.83 (2 H, m). LCMS-ESI (POS), M/Z, M+1: Found 443.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841312B2
Source datasetuspto-grants-2014_09
ORD IDord-05778d573ab74a7e97fdda354f58170a
Source noteuspto-grants-2014_09