The present invention relates to a new process for the preparation of NO-donating compounds using a sulfonated intermediate. The invention relates to new intermediates prepared therein suitable for large scale manufacturing of NO-donating compounds. The invention further relates to the use of the new intermediates for the manufacturing of pharmaceutically active NO-donating compounds. The invention further relates to a substantially crystalline form of NO-donating NSAIDs, especially 2-[2-(nitrooxy)ethoxy]ethyl 2-[(2,6-dichlorophenyl)amino]phenyl}acetate, the preparation thereof and to pharmaceutical formulations containing said crystalline form and to the use of said crystalline form in the preparation of a medicament.
本发明涉及一种利用磺化中间体制备NO供体化合物的新工艺。该发明涉及其中制备的新中间体,适用于大规模制造NO供体化合物。该发明进一步涉及利用新中间体制造药用活性NO供体化合物。该发明还涉及NO供体N
SAIDs的实质晶态形式,特别是2-[2-(硝基氧基)乙氧基]乙基2-[(2,6-二
氯苯基)
氨基]苯基}
乙酸酯及其制备,以及含有该晶态形式的制药配方和在制备药物时使用该晶态形式。