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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1039619Generated: October 27, 2026

3-Hydroxy-3-phenyl-1-butyne → Mk-0873

https://huagongshe.com/reaction/1039619

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Hydroxy-3-phenyl-1-butyneHCID 92098—
Reactant1-(3-bromophenyl)-N-isopropyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxamideHCID 12991318—
Reactant3-Ethynyl-pyridine 1-oxideHCID 56972334—
ProductMk-0873HCID 9919680—

Reaction Steps

Following the procedure of PREPARATIVE EXAMPLE 4, but substituting N-cyclopropyl-1-(3-bromophenyl)-1,4-dihydro[1,8]naphthyridin-4-one-3-carboxamide from Step 1 of PREPARATIVE EXAMPLE 3 for N-isopropyl-1-(3-bromophenyl)-1,4-dihydro[1,8]naphthyridin-4-one-3-carboxamide, and 3-ethynylpyridine N-oxide from Step 1 for 2-phenyl-3-butyn-2-ol, the N-cyclopropyl-1-[3-(1-oxido-3-pyridinylethynyl)phenyl]-1,4-dihydro[1,8]naphthyridin-4-one-3-carboxamide compound was obtained as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08552193B2
Source datasetuspto-grants-2013_10
ORD IDord-a29c48a3bcfb4af18b2de81062da58a0
Source noteuspto-grants-2013_10