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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 242461Generated: October 25, 2026

Leucinamide → (S)-N-(1-amino-4-methyl-1-oxopentan-2-yl)-3-(3,4-difluorophenyl)-5-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-1-carboxamide

https://huagongshe.com/reaction/242461

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLeucinamideHCID 69640—
Reactant(S)-N-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-yl)-5-methyl-3-(2,4,5-trifluorophenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-1-carboxamideHCID 46863441—
Reactanttert-butyl 3-(3,4-difluorophenyl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylateHCID 59345327—
Product(S)-N-(1-amino-4-methyl-1-oxopentan-2-yl)-3-(3,4-difluorophenyl)-5-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-1-carboxamideHCID 46863558—

Reaction Steps

Compound 49 was prepared according to the procedure described for the synthesis of compound 37 by replacing intermediate 19 with intermediate 15, and replacing tert-leucine methylamide with L-leucine amide. 1H NMR (CDCl3) δ 7.49-7.58 (m, 2H), 7.34-7.38 (m, 1H), 7.18-7.24 (m, 1H), 4.50 (m, 1H), 3.58 (s, 2H), 3.20 (s, 2H), 2.27 (s, 3H), 2.53 (s, 3H), 1.71-1.82 (m, 3H), 0.88-0.99 (m, 6H). LCMS (+ESI) m/z=406.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08653127B2
Source datasetuspto-grants-2014_02
ORD IDord-44f2d799e6334bee826236f42ce7baa6
Source noteuspto-grants-2014_02