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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 751193Generated: October 25, 2026

N,N,N',N'-Tetramethylazodicarboxamide → {4-[5-(4-Trifluoromethoxy-phenyl)-pent-4-ynyloxy]-indol-1-yl}-acetic acid ethyl ester

https://huagongshe.com/reaction/751193

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN,N,N',N'-TetramethylazodicarboxamideHCID 4278—
ReactantTributylphosphineHCID 13831—
Reactantethyl (4-hydroxy-1H-indol-1-yl)acetateHCID 68822476—
Reactant4-Pentyn-1-ol, 5-[4-(trifluoromethoxy)phenyl]-HCID 68822690—
Product{4-[5-(4-Trifluoromethoxy-phenyl)-pent-4-ynyloxy]-indol-1-yl}-acetic acid ethyl esterHCID 68821972—

Reaction Steps

In analogy to the procedure described for example 1 d], (4-hydroxy-indol-1-yl)-acetic acid ethyl ester was reacted with 5-(4-trifluoromethoxy-phenyl)-pent-4-yn-1-ol in the presence of N,N,N′,N′-tetramethyl azodicarboxamide and tributylphosphine to give the title compound as colorless crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07405236B2
Source datasetuspto-grants-2008_07
ORD IDord-8ce05be325b04819ac74769e7fc0d2aa
Source noteuspto-grants-2008_07