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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1926419Generated: October 31, 2026

2-Chloro-4,5-difluorobenzo[d]thiazole → 3-(4,5-Difluorobenzothiazol-2-yl)-5-(1-piperidin-4-yl-1H-pyrazol-4-yl)-pyridin-2-ylamine

https://huagongshe.com/reaction/1926419

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloro-4,5-difluorobenzo[d]thiazoleHCID 24728968—
ReactantHCID 67520656HCID 67520656—
Product3-(4,5-Difluorobenzothiazol-2-yl)-5-(1-piperidin-4-yl-1H-pyrazol-4-yl)-pyridin-2-ylamineHCID 44158937—

Reaction Steps

Following the procedure for 3-(7-fluoro-4-trifluoromethylbenzothiazol-2-yl)-5-(1-piperidin-4-yl-1H-pyrazol-4-yl)-pyridin-2-ylamine, using 2-chloro-4,5-difluoro-1,3-benzothiazole and conducting the Suzuki coupling at 80° C. for 3 h, the title compound was obtained as a yellow solid. MS (ES+): m/z=413.13 [MH+]. HPLC: tR=2.46 min (ZQ3, polar—5 min).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178668B2
Source datasetuspto-grants-2012_05
ORD IDord-8f17390d279e45f38f3148c7cd543e4a
Source noteuspto-grants-2012_05