Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1430151Generated: November 3, 2026

4-Chloropyridine hydrochloride → 4-Chloro-2-cyclopropylpyridine

https://huagongshe.com/reaction/1430151

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chloropyridine hydrochlorideHCID 81852—
ReactantHCID 178418630HCID 178418630—
SolventTetrahydrofuranHCID 8028—
Product4-Chloro-2-cyclopropylpyridineHCID 59293678—

Reaction Steps

The title compound is prepared according to a modification of a procedure described in the literature [Comins, D. L.; Mantlo, N. B., Journal of Organic Chemistry, (1985), 50, 4410-4411]. Cyclopropylmagnesium bromide (0.5M in THF, 100 mL, 50 mmol, 2.2 eq) is added in one portion to a cold (−78° C.) suspension of 4-chloropyridine hydrochloride (3.4 g, 22 mmol) in THF (68 mL).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08940771B2
Source datasetuspto-grants-2015_01
ORD IDord-00b6ea2f60914a5c8c547722476ca72c
Source noteuspto-grants-2015_01