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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2242401Generated: October 27, 2026

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

https://huagongshe.com/reaction/2242401

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 cm1; MS (APCI) m/z 395 (M+NH4), 378 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07671090B2
Source datasetuspto-grants-2010_03
ORD IDord-913dd019c2f24a4dad252bb87fd8f0ab
Source noteuspto-grants-2010_03