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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 915436Generated: October 25, 2026

N,N,N',N'-Tetramethylazodicarboxamide → {5-[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-ylmethoxy]-indol-1-yl}-acetic acid ethyl ester

https://huagongshe.com/reaction/915436

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN,N,N',N'-TetramethylazodicarboxamideHCID 4278—
ReactantTributylphosphineHCID 13831—
Reactant{1-methyl-3-[4-(trifluoromethoxy)phenyl]-1H-pyrazol-5-yl}methanolHCID 44818672—
Reactant(5-Hydroxy-indol-1-yl)-acetic acid ethyl esterHCID 57675474—
Product{5-[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-ylmethoxy]-indol-1-yl}-acetic acid ethyl esterHCID 69280251—

Reaction Steps

In analogy to the procedure described for example 3 c], (5-hydroxy-indol-1-yl)-acetic acid ethyl ester was reacted with [2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-methanol in the presence of N,N,N′,N′-tetramethyl azodicarboxamide and tributylphosphine to give {5-[2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-ylmethoxy]-indol-1-yl}-acetic acid ethyl ester as colorless oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07265149B2
Source datasetuspto-grants-2007_09
ORD IDord-00e4af02a7274c748801f46f7377dae3
Source noteuspto-grants-2007_09