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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 273266Generated: October 26, 2026

2,6-Difluorobenzoyl chloride → N-(2,6-difluorobenzoyl)-L-tyrosine tert-butyl ester

https://huagongshe.com/reaction/273266

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,6-Difluorobenzoyl chlorideHCID 87438—
ReactantL-Tyrosine 1,1-dimethylethyl esterHCID 6950582—
ProductN-(2,6-difluorobenzoyl)-L-tyrosine tert-butyl esterHCID 66843056—

Reaction Steps

L-tyrosine tert-butyl ester (10.0 g) was acylated with 2,6-difluorobenzoyl chloride in a similar manner as described Example 1-(5) to give N-(2,6-difluorobenzoyl)-L-tyrosine tert-butyl ester (15.9 g). mp. 145-148° C.; IR (Nujol) 1728, 1638 cm−1; MS (APCI) m/z 395 (M+NH4), 378 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07456217B2
Source datasetuspto-grants-2008_11
ORD IDord-e635559d2e9b48bab2d6f92863f97f60
Source noteuspto-grants-2008_11