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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1821573Generated: October 25, 2026

1-Hydroxybenzotriazole → 2-[([1,3]-Thiazol-2-yl)hydroxymethyl]-1-{N-[N-(tertbutyloxycarbonyl) (L)-Alanyl]-(L)-Valinyl}-(2S)-pyrrolidine

https://huagongshe.com/reaction/1821573

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant(S)-2-(2-((tert-Butoxycarbonyl)amino)propanamido)acetic acidHCID 192414—
ReactantL-Valine, N-[(1,1-dimethylethoxy)carbonyl]-L-alanyl-HCID 11460416—
Reactant2-[(Benzothiazol-2-yl)hydroxymethyl]-(2s)-pyrrolidine hydrochlorideHCID 69033602—
SolventAcetonitrileHCID 6342—
Product2-[([1,3]-Thiazol-2-yl)hydroxymethyl]-1-{N-[N-(tertbutyloxycarbonyl) (L)-Alanyl]-(L)-Valinyl}-(2S)-pyrrolidineHCID 69030757—

Reaction Steps

1 eq of Boc-Ala-Val-OH or Boc-Ala-Gly-OH and 0.9 eq of 36 or 37, 1.1 eq of HOBt, and 1.1 eq of WSCD were dissolved in dry ACN. After addition of 0.9 eq of TEA the mixture was stirred overnight. The solvent was removed and the remaining oil was dissolved in ethyl acetate. The solution was washed with brine and dried.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07608577B2
Source datasetuspto-grants-2009_10
ORD IDord-df319365bea64905a18b58ff4988d414
Source noteuspto-grants-2009_10