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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2220814Generated: November 1, 2026

tert-Butoxycarbonyl-D-leucine → Benzyl n-(tert-butoxycarbonyl)-d-leucyl-3-tert-butyl-l-alaninate

https://huagongshe.com/reaction/2220814

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butoxycarbonyl-D-leucineHCID 637604—
ReactantL-Leucine, 4-methyl-, phenylmethyl ester, hydrochloride (9CI)HCID 68803323—
ProductBenzyl n-(tert-butoxycarbonyl)-d-leucyl-3-tert-butyl-l-alaninateHCID 59709729—

Reaction Steps

N-(tert-Butoxycarbonyl)-D-leucine (230 mg, 1.0 mmol) and benzyl-3-tert-butyl-L-alaninate hydrochloride (300 mg, 1.10 mmol) (John X. He, Wayne L. Cody, Annette M. Doherty, J. Org. Chem., 1995, 60, 8262-8266) are reacted by general procedure 6. The crude product is purified (workup method 2) by preparative HPLC (method 16), resulting in 362 mg (80% of theory) of product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07368424B2
Source datasetuspto-grants-2008_05
ORD IDord-0bbb223aea8442d887cc74085e9313cd
Source noteuspto-grants-2008_05