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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1843961Generated: November 3, 2026

Chlorotrimethylsilane → 2-(5-Fluorobenzo[b]thiophen-2-yl)ethanamine

https://huagongshe.com/reaction/1843961

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorotrimethylsilaneHCID 6397—
ReactantLithium borohydrideHCID 4148881—
Reactant(E)-5-fluoro-2-(2-nitrovinyl)benzo[b]thiopheneHCID 66801961—
SolventTetrahydrofuranHCID 8028—
Product2-(5-Fluorobenzo[b]thiophen-2-yl)ethanamineHCID 66801843100%

Reaction Steps

Using analogous conditions and workup as described for the preparation of I-14b above, (E)-5-fluoro-2-(2-nitrovinyl)benzo[b]thiophene (I-50d: 1.2 g, 5.375 mmol) was reacted with LiBH4 (468.34 mg, 21.503 mmol), trimethylsilyl chloride (4.649 g, 43 mmol) and THF (50 mL) to afford 1 g of the product (100% yield). LCMS: 98.10%, m/z=196.0 (M+1)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946260B2
Source datasetuspto-grants-2015_02
ORD IDord-ce5fc9033b99442a91ad155dff4f185f
Source noteuspto-grants-2015_02