Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 242500Generated: October 26, 2026

1H-Pyrazol-3-amine, 5-methyl- → (S)-3-(3,4-difluorophenyl)-N-(3,3-dimethyl-1-(5-methyl-1H-pyrazol-3-ylamino)-1-oxobutan-2-yl)-6,7-dihydropyrano[4,3-c]pyrazole-1(4H)-carboxamide

https://huagongshe.com/reaction/242500

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1H-Pyrazol-3-amine, 5-methyl-HCID 93146—
Reactant(S)-N-(1-(2-cyanoethylamino)-3,3-dimethyl-1-oxobutan-2-yl)-3-(3,4-difluorophenyl)-6,7-dihydropyrano[4,3-c]pyrazole-1(4H)-carboxamideHCID 46862252—
Product(S)-3-(3,4-difluorophenyl)-N-(3,3-dimethyl-1-(5-methyl-1H-pyrazol-3-ylamino)-1-oxobutan-2-yl)-6,7-dihydropyrano[4,3-c]pyrazole-1(4H)-carboxamideHCID 46862251—

Reaction Steps

Compound 105 was prepared by the procedure described for the synthesis of compound 104 by replacing 2-cyanoethylamine with 3-amino-5-methylpyrazole. LCMS (+ESI) m/z=473.3 [M+H]+. 1H NMR (CDCl3) δ 8.15 (d, J=9.8 Hz, 1H), 7.50-7.56 (m, 1H), 7.28-7.30 (m, 1H), 7.22-7.27 (m, 1H), 5.84 (d, J=9.9 Hz, 1H), 5.48 (s, 2H), 4.82 (s, 2H), 3.93 (t, J=5.6 Hz, 2H), 3.18 (t, J=4.8 Hz, 2H), 2.17 (s, 3H), 1.11 (s, 9H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08653127B2
Source datasetuspto-grants-2014_02
ORD IDord-9cc6de03937b43e9b10fe6e8635d764f
Source noteuspto-grants-2014_02