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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1157312Generated: November 3, 2026

Tributyltin Chloride → 4-(5-(Tributylstannyl)pyrazin-2-yl)morpholine

https://huagongshe.com/reaction/1157312

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTributyltin ChlorideHCID 15096—
Reactant4-(5-Bromopyrazin-2-yl)morpholineHCID 45787480—
ReactantButyllithiumHCID 178418339—
SolventTetrahydrofuranHCID 8028—
Product4-(5-(Tributylstannyl)pyrazin-2-yl)morpholineHCID 59511154—

Reaction Conditions

Temperature-78 °C

Reaction Steps

To compound 4-(5-bromopyrazin-2-yl)morpholine (0.25 g) taken in dry THF (5 ml) and cooled to −78° C., n-butyl lithium (0.4 ml, 1M solution in Hexane) was added stirred for 2 hrs at −78° C. To the above reaction mixture tri-n-butyl tin chloride (1.1 mmol) was added drop wise at −78° C. Reaction mixture was stirred at −78° C. for one hour, quenched with saturated ammonium chloride solution and extracted with ethyl acetate (3×15 ml). The organic layer was washed with water (20 ml) followed by brine, dried over anhydrous sodiumsulphate and concentrated using rotary evaporator. The resulting crude was purified by column chromatography to afford 4-(5-(tributylstannyl)pyrazin-2-yl)morpholine as pale yellow color liquid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07807671B2
Source datasetuspto-grants-2010_10
ORD IDord-20e3c67250904cb49e6b3cf7acea85cd
Source noteuspto-grants-2010_10