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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 728228Generated: October 25, 2026

Methanol → 1-(2-Hydroxyethoxymethyl)-5-(3-trifluoroacetamido-1-propynyl)cytosine

https://huagongshe.com/reaction/728228

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
Reactant2,2,2-trifluoro-N-(prop-2-yn-1-yl)acetamideHCID 11094805—
Reactant1-(2-Hydroxyethoxymethyl)5-iodocytosineHCID 19958007—
SolventDichloromethaneHCID 6344—
Product1-(2-Hydroxyethoxymethyl)-5-(3-trifluoroacetamido-1-propynyl)cytosineHCID 1995801823%

Reaction Steps

Iodide 68 (311 mg, 1.00 mmol) was coupled to N-propargyltrifluoroacetamide (43) according to the general procedure described in EXAMPLE 1C. Flash chromatography on silica gel (3×20 cm) with 5%, 10% and 20% methanol in dichlormethane afforded alkynylamino nucleotide 69 as a pale yellow foam (77.4 mg, 23%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05047519
Source datasetuspto-grants-1991_09
ORD IDord-bc6a53a4a1f749289624d16a20c24916
Source noteuspto-grants-1991_09