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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 913529Generated: November 2, 2026

Diisopropylethylamine → 1-{1-[3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl]ethyl}-2-methyl-4-(trifluoromethyl)-1H-indole-5-carbonitrile

https://huagongshe.com/reaction/913529

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant2-[5-cyano-2-methyl-4-(trifluoromethyl)-1H-indol-1-yl]propanoic acidHCID 57800280—
ReactantHCID 178513323HCID 178513323—
SolventAcetonitrileHCID 6342—
Product1-{1-[3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl]ethyl}-2-methyl-4-(trifluoromethyl)-1H-indole-5-carbonitrileHCID 57800312—

Reaction Steps

Synthesized as described in Example 37 from 2-[5-cyano-2-methyl-4-(trifluoromethyl)-1H-indol-1-yl]propanoic acid and 4-fluoro-N-hydroxybenzenecarboximidamide using MeCN as the solvent, and HATU (1.05 eq), DIEA (1.05 eq), instead of EDCl, for the first coupling step: MS (ES) m/z 415 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026262B2
Source datasetuspto-grants-2011_09
ORD IDord-a20271c66fc84d83ae0c9e01973f8392
Source noteuspto-grants-2011_09