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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 453230Generated: October 30, 2026

5-Hydroxyindole → HCID 59394040, compound

https://huagongshe.com/reaction/453230

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-HydroxyindoleHCID 16054—
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
ReactantHCID 59394014HCID 59394014—
SolventAcetonitrileHCID 6342—
ProductHCID 59394040HCID 59394040—

Reaction Conditions

Temperature60 °C

Reaction Steps

To a solution of 4-chloro-5,8-dihydro-6H-pyrido[3,4-d]pyrimidine-6,7-dicarboxylic acid 7-tert-butyl ester 6-ethyl ester (1 g, 2.93 mmol) in CH3CN (30 mL), 5-hydroxy-indole (0.779 g, 5.85 mmol) and DBU (0.88 mL, 5.85 mmol) are added. After heating at 60° C. for 5 h the reaction is evaporated and the product isolated using FCC eluting with heptane:EtOAc 1:1. MS (ESI) m/z 439.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08492393B2
Source datasetuspto-grants-2013_07
ORD IDord-5a125950c2a04617b6bfea541668382c
Source noteuspto-grants-2013_07