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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 625465Generated: October 30, 2026

Diisopropylethylamine → (S)-benzyl (2-(2-(2,5,8,11,14,17,20,23-octaoxapentacosan-25-ylcarbamoyl) piperidin-1-yl)ethyl)(methyl)carbamate

https://huagongshe.com/reaction/625465

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant2,5,8,11,14,17,20,23-Octaoxapentacosan-25-amineHCID 51340963—
Reactant(S)-1-(2-(((benzyloxy)carbonyl) (methyl)amino)ethyl)piperidine-2-carboxylic acidHCID 66586881—
SolventDimethylformamideHCID 6228—
Product(S)-benzyl (2-(2-(2,5,8,11,14,17,20,23-octaoxapentacosan-25-ylcarbamoyl) piperidin-1-yl)ethyl)(methyl)carbamateHCID 86705977—

Reaction Conditions

Temperature60 °C

Reaction Steps

To a mixture of (S)-1-(2-(((benzyloxy)carbonyl)(methyl)amino)ethyl)piperidine-2-carboxylic acid (0.145 mmol, 46.4 mg), 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (0.145 mmol, 55.6 mg), DIEA (0.725 mmol, 94 mg) in DMF (0.3 mL) was added HATU (0.16 mmol, 61 mg). The mixture was stirred at 60° C. for 1 h. The crude mixture was used in next step without purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09301951B2
Source datasetuspto-grants-2016_04
ORD IDord-bbaeff436ca6434abdfa216d7bce45f7
Source noteuspto-grants-2016_04