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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79216Generated: October 28, 2026

Trifluoroacetic acid → 9-Cyclopentyl-N-(5-(1-piperazinylsulfonyl)-2-pyridinyl)-9H-pyrido[4',3':4,5]-pyrrolo[2,3-d]pyrimidin-2-amine

https://huagongshe.com/reaction/79216

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantTert-butyl 4-(6-chloropyridin-3-ylsulfonyl)piperazine-1-carboxylateHCID 11739940—
Reactant9-Cyclopentyl-9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidin-2-amineHCID 58299585—
Product9-Cyclopentyl-N-(5-(1-piperazinylsulfonyl)-2-pyridinyl)-9H-pyrido[4',3':4,5]-pyrrolo[2,3-d]pyrimidin-2-amineHCID 58299914—

Reaction Steps

Compound 359 was prepared as a white solid (TFA salt) from compound 4 and compound 360 using chemistry similar to that described in example 200. 1H NMR (500 MHz, CD3OD) δ ppm 9.59 (1 H, s), 9.29 (1 H, s), 8.72-8.78 (2 H, m), 8.63-8.66 (1 H, m), 8.61 (1 H, d), 8.22 (1 H, dd, J=8.8, 2.4 Hz), 5.51 (1 H, quin, J=8.9 Hz), 3.37 (8 H, s), 2.46-2.60 (2 H, m), 2.13-2.34 (4 H, m), 1.87-2.01 (2 H, m). LCMS-ESI (POS), M/Z, M+1: Found 478.9.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841312B2
Source datasetuspto-grants-2014_09
ORD IDord-bfe4b24b518844528f4c1aa382595d95
Source noteuspto-grants-2014_09