The invention relates generally to disulfide drug conjugates wherein a linker comprising a sulfur-bearing carbon atom substituted with at least one hydrocarbyl or substituted hydrocarbyl is conjugated by a disulfide bond to a cysteine sulfur atom of a targeting carrier, and wherein the linker is further conjugated to a drug moiety. The invention further relates to activated linker-drug conjugates suitable for conjugation to a targeting carrier by a disulfide bond. The invention further relates to methods for preparing hindered disulfide drug conjugates.
该发明一般涉及二
硫键药物偶联物,其中含有至少一个被至少一个碳氢化合物或取代碳氢化合物所取代的含
硫碳原子的连接剂通过二
硫键与靶向载体的半胱
氨酸
硫原子偶联,并且连接剂进一步与药物部分偶联。该发明进一步涉及适合通过二
硫键与靶向载体偶联的活化连接剂-药物偶联物。该发明还进一步涉及制备受阻二
硫键药物偶联物的方法。