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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2220052Generated: October 30, 2026

Dimethylformamide → 4-Amino-L-proline

https://huagongshe.com/reaction/2220052

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
Product4-Amino-L-prolineHCID 21120376—

Reaction Steps

To the resin is added the corresponding acylating agent (usually a carboxyxlic acid (R64′COOH, 3 equiv.), HBTU (22.3 mg, 4 equiv.), HOBt (8 mg, 4 equiv.) and DIEA (125 μL, 6 equiv.) in DMF (2 mL) for 1.5-2 hrs at room temperature. The resin is filtered, washed with 2×DMF, 3×CH2Cl2, 2×DMF.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07417024B2
Source datasetuspto-grants-2008_08
ORD IDord-4c21d7cff73345e09a024fe5725dd111
Source noteuspto-grants-2008_08