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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 418796Generated: October 25, 2026

Ethyl 3-(4-amino-1H-indazol-1-yl)benzoate → Ethyl 3-(4-{[4-(2,3-dihydro-1-benzofuran-7-yl)-2-hydroxy-4-methyl-2-(trifluoromethyl)pentyl]amino}-1h-indazol-1-yl)benzoate

https://huagongshe.com/reaction/418796

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 3-(4-amino-1H-indazol-1-yl)benzoateHCID 57615935—
Reactant7-[1,1-Dimethyl-2-(2-trifluoromethyloxiranyl)ethyl]-2,3-dihydrobenzofuranHCID 57775518—
ProductEthyl 3-(4-{[4-(2,3-dihydro-1-benzofuran-7-yl)-2-hydroxy-4-methyl-2-(trifluoromethyl)pentyl]amino}-1h-indazol-1-yl)benzoateHCID 57615954—

Reaction Steps

Prepared similarly to Example 1 from racemic 7-{1,1-dimethyl-2-[2-(trifluoromethyl)-2-oxiranyl]ethyl}-2,3-dihydro-1-benzofuran (which may be prepared according to WO 04/063163) and ethyl 3-(4-amino-1H-indazol-1-yl)benzoate (Intermediate 6).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08093281B2
Source datasetuspto-grants-2012_01
ORD IDord-12a0db22f6354e5fbec43fc61714b8a3
Source noteuspto-grants-2012_01