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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 279028Generated: October 29, 2026

Trifluoroacetic acid → 5-Chloro-2-hydroxy-6-[3-methoxypyrrolidin-1-yl]-benzo[de]isoquinoline-1,3-dione

https://huagongshe.com/reaction/279028

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant2-tert-Butyloxy-5-chloro-6-[3-methoxypyrrolidin-1-yl]-benzo[de]isoquinoline-1,3-dioneHCID 22623938—
Product5-Chloro-2-hydroxy-6-[3-methoxypyrrolidin-1-yl]-benzo[de]isoquinoline-1,3-dioneHCID 22624054—

Reaction Steps

Following the procedure from Example 62, TFA (1.0 mL) and 2-tert-butyloxy-5-chloro-6-[3-methoxypyrrolidin-1-yl]-benzo[de]isoquinoline-1,3-dione (0.2 g, 0.5 mmol, from Example S2) was stirred at room temperature overnight, concentrated, and the solid recrystallized from ethanol/ether solution to give 0.02 of the title compound, mp 136-142° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06362181B1
Source datasetuspto-grants-2002_03
ORD IDord-d6560332277e4efbac650d484b948bc1
Source noteuspto-grants-2002_03