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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824170Generated: October 26, 2026

6,7-Dihydro-5H-cyclopenta[b]pyridin-5-amine → 6-Ethyl-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amine

https://huagongshe.com/reaction/1824170

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6,7-Dihydro-5H-cyclopenta[b]pyridin-5-amineHCID 22147391—
Reactant(NZ)-N-(6-ethyl-5,6-dihydrocyclopenta[b]pyridin-7-ylidene)hydroxylamineHCID 136010242—
Product6-Ethyl-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amineHCID 22147344—

Reaction Steps

Following the procedure for the preparation of 6,7-dihydro-5H-cyclopenta[b]pyridin-5-amine but substituting (7Z)-6-ethyl-5,6-dihydro-7H-cyclopenta[b]pyridin-7-one oxime and making non-critical variations provided the title compound as a oil: 1H NMR (400 MHz, CDCl3) δ) 8.40, 7.51, 7.10, 4.30, 3.95, 3.07, 2.95, 2.74, 2.50, 2.38, 2.03–1.93, 1.75, 1.57, 1.40, 1.09–0.97; HRMS (FAB) calcd for C10H14N2+H 163.1235, found 163.1229.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041672B2
Source datasetuspto-grants-2006_05
ORD IDord-da589dcb96904bc9b11e13ca9cbd0186
Source noteuspto-grants-2006_05