Process for the preparation of imatinibe and imatinib mesylate as alpha - 2 '- needle.

摘要

Process for the preparation of imatinibe and imatinib mesylate as alpha - 2 '- needle. The present invention relates to an efficient and industrially viable process for the preparation of imatinibe and imatinib mesylate. 2 '- needle in high purity without purification by recrystallization or column chromatography.The process of the present invention is easy, fast and economical way, where the imatinib mesylate is obtained with high yield and purity.