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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 238991Generated: October 31, 2026

Water → HCID 68973716, compound

https://huagongshe.com/reaction/238991

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant(Diethylamino)sulfur trifluorideHCID 123472—
ReactantHCID 68973590HCID 68973590—
SolventDichloromethaneHCID 6344—
ProductHCID 68973716HCID 68973716112.5%

Reaction Steps

1.5 g trans-3-hydroxymethyl-4-phenyl-pyrrolidine-1-carboxylic acid tert-butyl ester (5.41 mmol) were dissolved in 20 ml dichloromethane and 1.31 g of diethylaminosulfurtrifluoride (DAST, 8.1 mmol) in 2 ml dichloromethane were added at 0° C. The reaction mixture was stirred for 72 h at room temperature, further dichloromethane and water were added, the organic phase was separated, dried over magnesium sulphate, filtered and evaporated to dryness to yield 1.7 g of a light yellowish oil. The crude product was purified via silica gel chromatography using n-heptane/ethyl acetate (6:4) as eluent to yield 1.08 g product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642642B2
Source datasetuspto-grants-2014_02
ORD IDord-cfffb1633c0f41b48c066e39bed0c5f1
Source noteuspto-grants-2014_02