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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2297059Generated: October 27, 2026

Trifluoroacetic acid → N-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-4-oxo-5-(2,3,5,6-tetrafluorophenyloxy)-pentanoic Acid

https://huagongshe.com/reaction/2297059

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantN-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-4-oxo-5-(2,3,5,6-tetrafluorophenyloxy)-pentanoic acid, tert-butyl esterHCID 86756363—
ProductN-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-4-oxo-5-(2,3,5,6-tetrafluorophenyloxy)-pentanoic AcidHCID 2063970867%

Reaction Steps

Treatment of N-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-4-oxo-5-(2,3,5,6-tetrafluorophenyloxy)-pentanoic acid, tert-butyl ester (47.6 mg, 0.070 mmol) with TFA as described in Example 80 gave the titled product (29.0 mg, 67%) as a white powder. MS C35H43F4N3O6, [M+Na]+=644, [M−H]−=620. TLC (CH2Cl2/MeOH, 90/10): Rf=0.19.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06489353B2
Source datasetuspto-grants-2002_12
ORD IDord-c8b9e24bd1f2453291b7b9c07b8c881b
Source noteuspto-grants-2002_12