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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824233Generated: October 31, 2026

2-(((Tert-butoxy)carbonyl)amino)butanoic acid → Methyl({2-[(tert-butoxycarbonyl)amino]butanoyl}amino)(cyclopropyl)acetate

https://huagongshe.com/reaction/1824233

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(((Tert-butoxy)carbonyl)amino)butanoic acidHCID 333522—
Reactantmethyl{[N-(tert-butoxycarbonyl)-L-alanyl]amino}(cyclopropyl)acetateHCID 58583288—
ProductMethyl({2-[(tert-butoxycarbonyl)amino]butanoyl}amino)(cyclopropyl)acetateHCID 23593721—

Reaction Steps

Following the procedure for the preparation of methyl{[N-(tert-butoxycarbonyl)-L-alanyl]amino}(cyclopropyl)acetate but substituting N-Boc-alpha-aminobutyric acid and making non-critical variations provided the title compound as a solid: 1H NMR (CDCl3) δ 0.40–0.62, 0.94–0.99, 1.09–1.12, 1.46, 1.63–2.06, 3.77, 4.04, 5.02, 6.54.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041672B2
Source datasetuspto-grants-2006_05
ORD IDord-db1416645b4b42dea92408133286df18
Source noteuspto-grants-2006_05