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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2060992Generated: October 30, 2026

Trifluoroacetic acid → HCID 59238943, compound

https://huagongshe.com/reaction/2060992

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantPyrrolidineHCID 31268—
ReactantBinap, (A+-)-HCID 634876—
ReactantSodium t-butoxideHCID 23676156—
ReactantHCID 67211816HCID 67211816—
Catalystpalladium(II) acetateHCID 167845—
ProductHCID 59238943HCID 59238943—

Reaction Steps

The title compound was prepared by the reaction tert-butyl 12-bromo-2,10-difluoro-6-methoxyindolo[2,3-b]carbazole-5(7H)-carboxylate with pyrrolidine in the presence of Pd(OAc)2, BINAP, and NaOtBu at 80° C. for 2 h, followed deprotection with TFA. 1H NMR (400 MHz, DMSO-d6) δ ppm 11.29 (s, 2H), 7.70 (dd, J=10.0, 2.4 Hz, 2H), 7.43 (dd, J=8.8, 4.8 Hz, 2H), 7.19 (td, J=9.2, 2.4 Hz, 2H), 4.05 (s, 3H), 3.43-3.55 (m, 4H), 2.40-2.30 (m, 4H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08278341B2
Source datasetuspto-grants-2012_10
ORD IDord-897ee6b2c8054d76a5491574c87ae380
Source noteuspto-grants-2012_10