反应详情

温度

-78 °C

A flask containing a solution of 4-aminopyrimidine (0.026 g, 0.268 mmol) and perfluorophenyl 4-chloroquinoline-7-sulfonate (from Step 2, Intermediate LLLL; 0.100 g, 0.244 mmol) in THF (1.220 ml) was cooled to −78° C. for 10 minutes, and then lithium bis(trimethylsilyl)amide, 1.0 m solution in tetrahydrofuran (0.488 ml, 0.488 mmol) was added dropwise. After 20 minutes, the reaction had gone to completion. The reaction mixture was quenched with aq ammonium chloride, and concentrated under a vacuum. A 2:1 mixture of DCM:H2O was added, the flask sonicated, and the solids filtered to yield 4-chloro-N-(pyrimidin-4-yl)quinoline-7-sulfonamide (0.053 g, 0.165 mmol, 67.7% yield) as a light brown solid (carried forward crude). m/z (ESI) 321.0 (M+H)+.

1. customThe reaction mixture was quenched with aq ammonium chloride
2. concentrationconcentrated under a vacuum
3. additionA 2:1 mixture of DCM
4. additionH2O was added
5. customthe flask sonicated
6. filtrationthe solids filtered