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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2414218Generated: October 30, 2026

Imidazole → 3'-O-(t-butyldiphenylsilyl)thymidine

https://huagongshe.com/reaction/2414218

Reaction equation

Participants

RoleNameHCIDCharge
ReactantImidazoleHCID 795—
Reactanttert-ButyldiphenylchlorosilaneHCID 94078—
Reactant1-[5-[[Bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]-5-methylpyrimidine-2,4-dioneHCID 627554—
SolventDimethylformamideHCID 6228—
Product3'-O-(t-butyldiphenylsilyl)thymidineHCID 11016319—

Reaction Steps

5′-O-Dimethoxytritylthymidine is silylated with 1 equivalent of t-butyldiphenylsilyl chloride (TBDPSCl) and 2 equivalents of imidazole in DMF solvent at room temperature. The 5′-protecting group is removed by treating with 3% dichloracetic acid in CH2Cl2,

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06811975B2
Source datasetuspto-grants-2004_11
ORD IDord-eb66f17ecf0a47b39ee09d6202adf78b
Source noteuspto-grants-2004_11