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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 910952Generated: October 28, 2026

Water → HCID 24826334, compound

https://huagongshe.com/reaction/910952

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant2-Amino-4-methylthiazoleHCID 74143—
ReactantHCID 63779018HCID 63779018—
Catalyst1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
SolventTolueneHCID 1140—
ProductHCID 24826334HCID 2482633476.7%

Reaction Steps

Using the method of Example 3, Step B, 4-methylthiazol-2-amine (7.007 mL, 4.905 mmol), 2-chloro-4-(3-chlorophenylthio)pyridine (1.382 g, 5.396 mmol), potassium phosphate (1.145 g, 5.396 mmol), tris(dibenzylideneacetone)dipalladium (0) (0.1123 g, 0.1226 mmol), 4,5-bis(diphenylphosphino)-9,9-dimethyl-9H-xanthene (0.07805 g, 0.1349 mmol) were reacted in toluene (7 mL) and water (2 mL) to afford 4-(3-chlorophenylthio)-N-(4-methylthiazol-2-yl)pyridin-2-amine (1.256 g, 75.93% yield) as off white solid. 1H NMR (CDCl3) δ 8.11 (d, 1H), 7.51 (t, 1H), 7.38 (m, 2H), 7.30 (m, 1H), 6.58 (dd, 1H), 6.49 (s, 1H), 6.32 (d, 1H), 2.19 (d, 3H); Mass spectrum (esi) m/z=334 (100) (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08022222B2
Source datasetuspto-grants-2011_09
ORD IDord-e768481bb0bf45a0a7b3e93f7e26f93b
Source noteuspto-grants-2011_09