Verfahren zur in-Situ chemischer Sulfonierung

摘要

The present invention relates to chemical processes for the manufacture of certain intermediates useful in the manufacture of certain quinazoline derivatives. In particular, the present invention relates to chemical processes for the manufacture of certain intermediates useful in the manufacture of the compound 4-(4-bromo-2-fluoroanilino)-6-methoxy-7-(1-methylpiperidin-4-ylmethoxy)quinazoline.