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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 910979Generated: November 1, 2026

Potassium Phosphate, Tribasic → HCID 24826581, compound

https://huagongshe.com/reaction/910979

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant2-Amino-4-methylthiazoleHCID 74143—
ReactantHCID 63778674HCID 63778674—
Catalyst1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
ProductHCID 24826581HCID 2482658150.2%

Reaction Steps

Using the method of Example 3, Step B, 4-methylthiazol-2-amine (0.291 g, 2.55 mmol), 2-chloro-4-(o-tolylthio)pyridine (0.600 g, 2.55 mmol), potassium phosphate (0.595 g, 2.80 mmol), Pd2(dba)3 (0.117 g, 0.127 mmol), and 4,5-bis(diphenylphosphino)-9,9-dimethyl-9H-xanthene (0.074 g, 0.127 mmol) were reacted to provide 4-methyl-N-(4-(o-tolylthio)pyridin-2-yl)thiazol-2-amine (0.401 g, 50% yield). 1H NMR (d6-DMSO) δ 11.04 (s, 1H), 8.07 (d, 1H), 7.57 (d, 1H), 7.47 (d, 2H), 7.34 (m, 1H), 6.63 (s, 1H), 6.50 (s, 1H), 6.48 (m, 1H), 2.34 (s, 3H), 2.19 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08022222B2
Source datasetuspto-grants-2011_09
ORD IDord-49030423f681414292e692cbf02f848a
Source noteuspto-grants-2011_09