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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2052573Generated: October 30, 2026

Phosphorus pentachloride → HCID 20351118, compound

https://huagongshe.com/reaction/2052573

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus pentachlorideHCID 24819—
Reactant5-(trifluoromethyl)-2,3-dihydro-1H-indole-2,3-dioneHCID 12351496—
ProductHCID 20351118HCID 20351118—

Reaction Steps

By reacting 5-trifluoromethylisatin with phosphorus pentachloride, there is obtained 5-trifluoromethylisatin chloride which, on reation with 3(2H)-thianaphthenone, yields 5'-trifluoromethyl-2'-indole-2-thianap indigo, which also is useful as a dyestuff.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04186132
Source datasetuspto-grants-1980_01
ORD IDord-dcf22c993ef44d209755babf7300c915
Source noteuspto-grants-1980_01