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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1627832Generated: October 30, 2026

Propargyl bromide → HCID 49805376, compound

https://huagongshe.com/reaction/1627832

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPropargyl bromideHCID 7842—
ReactantTetrahydrofuranHCID 8028—
ReactantLithium HexamethyldisilazideHCID 2733832—
ReactantHCID 66597281HCID 66597281—
SolventDimethylformamideHCID 6228—
ProductHCID 49805376HCID 4980537630.2%

Reaction Steps

This compound was prepared according to the procedure C from methyl [2-methyl-4-(p-tolyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-b]pyridin-3-yl]acetate (0.183 g; 0.5 mmol), LHMDS 1N in THF (0.75 mL; 0.75 mmol), propargyl bromide (0.111 mL; 1 mmol) in DMF (2.5 mL) for 18 h. Purification by flash chromatography on silica gel using a gradient of ethyl acetate (3-30%) in heptane furnished 0.061 g (25%) of the title compound as a yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08785638B2
Source datasetuspto-grants-2014_07
ORD IDord-bc774965c2e5451cac07699a388b8d04
Source noteuspto-grants-2014_07