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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1455686Generated: October 30, 2026

2-Bromopyridine → 5-Chloro-N-{1,3-dioxo-2-[1-(2-pyridinyl)-4-piperidinyl]-2,3-dihydro-1H-isoindol-4-yl}-2-thiophenecarboxamide

https://huagongshe.com/reaction/1455686

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-BromopyridineHCID 7973—
Reactant5-chloro-N-[1,3-dioxo-2-(4-piperidinyl)-2,3-dihydro-1H-isoindol-4-yl]-2-thiophenecarboxamideHCID 12074893—
SolventPyridineHCID 1049—
Product5-Chloro-N-{1,3-dioxo-2-[1-(2-pyridinyl)-4-piperidinyl]-2,3-dihydro-1H-isoindol-4-yl}-2-thiophenecarboxamideHCID 18440681—

Reaction Steps

100 mg (0.257 mmol) of 5-chloro-N-[1,3-dioxo-2-(4-piperidinyl)-2,3-dihydro-1H-isoindol-4-yl]-2-thiophenecarboxamide and 0.05 ml (0.513 mmol) of 2-bromo-pyridine in 0.5 ml of pyridine are stirred at 110° C. for 48 h. The mixture is concentrated and dried under high vacuum. The product is isolated by preparative RP-HPLC.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07482472B2
Source datasetuspto-grants-2009_01
ORD IDord-ac8eb2274e2c45919ef76f5f71148532
Source noteuspto-grants-2009_01