反应详情
EQUATION
反应方程式
REACTANTS
反应物
Tripotassium phosphate
K3O4P
4-bromo-3,5-dimethylbenzonitrile
C9H8BrN
2-Dicyclohexylphosphino-2′,6′-dimethoxybiphenyl
C26H35O2P
{(S)-6-[(R)-7-fluoro-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester
C26H30BFO6
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
CONDITIONS
反应条件
- 温度
- 100 °C
PROCEDURE
实验过程
In a microwave vial, methyl 2-((S)-6-((R)-7-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-inden-1-yloxy)-2,3-dihydrobenzofuran-3-yl)acetate (200 mg), 4-bromo-3,5-dimethylbenzonitrile (90 mg), K3PO4 (273 mg), Palladium-(II)-acetate (10 mg) and dicyclohexyl(2′,6′-dimethoxybiphenyl-2-yl)phosphine (S-Phos) (17 mg) are suspended in toluene (10 mL) and water (2 mL) and purged for 10 minutes with argon. The vial is sealed and the mixture is stirred at 100° C. for 4 hours. After cooling to ambient temperature the mixture is partitioned between ethyl acetate and water. The organic phase is dried (MgSO4) and concentrated. The residue is chromatographed on silica gel (cyclohexane/ethyl acetate 90:10) to give the title compound. Yield: 85 mg; LC (method 19): tR=1.52 min; Mass spectrum (ESI+): m/z=471 [M+−H]+.
WORKUP
后处理
- customwater (2 mL) and purged for 10 minutes with argon
- customThe vial is sealed
- temperatureAfter cooling to ambient temperature the mixture
- customis partitioned between ethyl acetate and water
- dry with materialThe organic phase is dried (MgSO4)
- concentrationconcentrated
- customThe residue is chromatographed on silica gel (cyclohexane/ethyl acetate 90:10)