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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1756579Generated: October 27, 2026

Isatin → HCID 478656, compound

https://huagongshe.com/reaction/1756579

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIsatinHCID 7054—
Reactant2-Aminonicotinic acidHCID 72930—
Reactant5,7-Difluoro-1H-indole-2,3-dioneHCID 16794671—
ProductHCID 478656HCID 4786564.7%

Reaction Steps

Using the procedure in Example 56 and substituting 2-aminobenzoic acid for 2-aminonicotinic acid and 5,7-difluoroisatin from Example 3 for isatin gave the title compound in 4.7% yield: mp 287°-290° C,; 1H NMR (300 MHz, CDCl3) δ 8.47 (d, 1H) 8.02 (d, 1H) 7.84-7.92 (m, 1H) 7.66-7.76 (m, 1H) 7.48-7.54 (m, 1H) 7.30-7.40 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05441955
Source datasetuspto-grants-1995_08
ORD IDord-49995c01cdf740de84878c2b86594f10
Source noteuspto-grants-1995_08