The present invention relates to a process for preparing a compound of formula (682-6'), said process comprising the steps of: formula (682-4), (682-5), (682-6'): (i) converting a compound of formula (682-4) into a compound of formula (682-5); and (ii) converting said compound of formula (682-5) into a compound of formula (682- 6'). Further aspects of the invention relate to the use of the above process in the preparation of 2'-cyano-2'-deoxy-N4-palmitoyl-l-β-D-arabinofuranosylcytosine, a pyrimidine nucleoside which is therapeutically useful in the treatment and/or prevention of cancer.
本发明涉及一种制备式(682-6')化合物的方法,该方法包括以下步骤:式(682-4)、(682-5)、(682-6'):(i)将式(682-4)化合物转化为式(682-5)化合物;以及(ii)将所述式(682-5)化合物转化为式(682-6')化合物。该发明的进一步方面涉及上述方法在制备2'-
氰基-2'-脱氧-N4-棕榈酰-1-β-D-阿拉伯
呋喃核苷
胞嘧啶中的应用,该核苷是治疗和/或预防癌症中具有治疗作用的。