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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1665310Generated: October 28, 2026

2-Thiophenesulfonyl chloride → HCID 57661843, compound

https://huagongshe.com/reaction/1665310

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Thiophenesulfonyl chlorideHCID 85518—
ReactantSpiro[naphtho[1,2-b][1,4]oxathiine-2,4'-piperidine]-5,6-dioneHCID 57661820—
ProductHCID 57661843HCID 57661843—

Reaction Steps

Compound 78 was synthesized using spiro[naphtho[1,2-b][1,4]oxathiine-2,4′-piperidine]-5,6-dione, thiophene-2-sulfonyl chloride and conditions outlined in procedure P. M.p.=245-248° C.; 400 MHz 1H NMR (CDCl3) δ: 8.02-8.05 (m, 1H), 7.70-7.67 (m, 1H), 7.61-7.59 (m, 1H), 7.48-7.44 (m, 2H), 7.27-7.22 (m, 1H), 7.22-7.18 (m, 1H), 3.79-3.72 (m, 2H), 2.94 (s, 2H), 2.91-2.84 (m, 2H), 2.26-2.18 (m, 2H), 2.02-1.91 (m, 2H); LCMS: 448 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08039503B2
Source datasetuspto-grants-2011_10
ORD IDord-5c292acc8c6a4f65ab342b0cdd50284f
Source noteuspto-grants-2011_10