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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1665292Generated: November 2, 2026

Pyridine-4-carbonyl chloride → HCID 57661907, compound

https://huagongshe.com/reaction/1665292

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridine-4-carbonyl chlorideHCID 417436—
ReactantSpiro[naphtho[1,2-b][1,4]oxathiine-2,4'-piperidine]-5,6-dioneHCID 57661820—
ProductHCID 57661907HCID 57661907—

Reaction Steps

Compound 57 was synthesized using spiro[naphtho[1,2-b][1,4]oxathiine-2,4′-piperidine]-5,6-dione, isonicotinoyl chloride and conditions outlined in procedure N. M.p.=267-269° C.; 400 MHz 1H NMR (CDCl3) δ 8.73 (d, J=6 Hz, 2H), 8.08 (d, J=8 Hz, 1H), 7.75 (m, 1H), 7.70 (m, 1H), 7.66 (t, 1H), 7.52 (t, J=7.6 Hz, 2H), 4.68 (d, J=12 Hz, 1H), 3.63 (m, 1H), 3.50 (m 1H), 3.37 (m, 1H), 2.98 (d, 7.6 Hz, 2H), 2.28 (brm, 1H), 2.14 (brm, 1H), 1.91 (brm, 1H), 1.73 (brm, 1H); LCMS: 407 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08039503B2
Source datasetuspto-grants-2011_10
ORD IDord-4917b6e9e95246f7bfe6e2e7dee1de1f
Source noteuspto-grants-2011_10