Cesium carbonate → 1-(2,6-Dichloro-3,5-dimethoxy-phenyl)-3-methyl-3-[6-(4-morpholin-4-yl-2-nitro-phenylamino)-pyrimidin-4-yl]-1-(2-trimethylsilanyl-ethoxymethyl)-urea

Participants

Role	Name	HCID	Charge
Reactant	Cesium carbonate	HCID 10796	—
Reactant	1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)	HCID 636044	—
Reactant	4-Morpholin-4-yl-2-nitro-phenylamine	HCID 69444468	—
Reactant	1-(6-Chloropyrimidin-4-yl)-3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-methyl-3-((2-(trimethylsilyl)ethoxy)methyl)urea	HCID 131736969	—
Catalyst	Bis(dibenzylideneacetone)palladium	HCID 9811564	—
Solvent	Toluene	HCID 1140	—
Product	1-(2,6-Dichloro-3,5-dimethoxy-phenyl)-3-methyl-3-[6-(4-morpholin-4-yl-2-nitro-phenylamino)-pyrimidin-4-yl]-1-(2-trimethylsilanyl-ethoxymethyl)-urea	HCID 131736974	51.7%

Reaction Conditions

Temperature	100 °C

Reaction Steps

A degassed mixture of 4-morpholin-4-yl-2-nitro-phenylamine (290 g, 1.3 mmol), 1-(6-chloro-pyrimidin-4-yl)-3-(2,6-dichloro-3,5-dimethoxy-phenyl)-1-methyl-3-(2-trimethylsilanyl-ethoxymethyl)-urea (Procedure 2E, step b; 624 g, 1.2 mmol), Pd2(dba)3 (110 g, 0.12 mmol), Xantphos (139 g, 0.24 mmol) and Cs2CO3 (782 g, 2.4 mmol) in toluene (15 mL) was heated at 100° C. for 2.5 hours. The reaction was concentrated, and the residue was purified by chromatography flash on silica to obtain the title compound (440 mg, yield: 49%) as a red solid. MS (ESI): 708 [M+H]+.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US09434697B2
Source dataset	uspto-grants-2016_09
ORD ID	ord-9bded0b0410a41edb9f58a3b06868704
Source note	uspto-grants-2016_09