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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 242463Generated: October 25, 2026

(2S)-2-Amino-3,3-dimethyl-1-butanol → (S)-3-(3,4-difluorophenyl)-N-(1-hydroxy-3,3-dimethylbutan-2-yl)-4,5,6,7-tetrahydro-1H-indazole-1-carboxamide

https://huagongshe.com/reaction/242463

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2S)-2-Amino-3,3-dimethyl-1-butanolHCID 2734079—
Reactant(S)-3-(3,4-difluorophenyl)-N-(3,3-dimethyl-1-(methyl-amino)-1-oxobutan-2-yl)-6,7-dihydropyrano[4,3-c]pyrazole-1(4H)-carboxamideHCID 46834697—
Product(S)-3-(3,4-difluorophenyl)-N-(1-hydroxy-3,3-dimethylbutan-2-yl)-4,5,6,7-tetrahydro-1H-indazole-1-carboxamideHCID 46862571—

Reaction Steps

Compound 51 was prepared according to the procedure described for the synthesis of compound 28 by replacing intermediate 16 with intermediate 18, and replacing tert-leucine methylamide with tert-leucinol. 1H NMR (CDCl3) δ 7.54-7.60 (m, 1H), 7.41-7.47 (m, 2H), 7.17-7.23 (m, 1H), 6.95 (dd, J=7.3, 3.4 Hz, 1H), 3.80-3.86 (m, 1H), 3.65-3.70 (m, 1H), 3.04 (m, 2H), 2.64 (m, 2H), 1.74-1.84 (m, 4H), 1.04 (s, 9H). LCMS (+ESI) m/z=378.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08653127B2
Source datasetuspto-grants-2014_02
ORD IDord-17210bce264a4f4db2295d3492b12414
Source noteuspto-grants-2014_02