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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 856051Generated: October 31, 2026

Pyridine → 4-(4-Trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine-1-carbonylchloride

https://huagongshe.com/reaction/856051

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantTriphosgeneHCID 94429—
Reactant4-[4-(Trifluoromethyl)phenyl]-1,2,3,6-tetrahydropyridine--hydrogen chloride (1/1)HCID 21559979—
Product4-(4-Trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine-1-carbonylchlorideHCID 23081556199.9%

Reaction Steps

Using 4-(4-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine hydrochloride (300 mg, 1.14 mmol) prepared in Reference Example 97, pyridine (0.18 ml, 2.28 mmol) and triphosgene (112 mg, 0.38 mmol), 4-(4-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine-1-carbonylchloride (220 mg, yield 67%) as a yellow oil was prepared in the same manner as described in Reference Example 94.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07262212B2
Source datasetuspto-grants-2007_08
ORD IDord-2d9d68d454f5494b869d08b6969c1555
Source noteuspto-grants-2007_08