申请人:——
公开号:US20030162969A1
公开(公告)日:2003-08-28
The present invention relates to a process for preparing pyridazinone aldose reductase inhibitors which are useful in the prevention and/or treatment of diabetic complications such as diabetic neuropathy, diabetic retinopathy, diabetic nephropathy, diabetic cardiomyopathy, diabetic microangiopathy and diabetic macroangiopathy in mammals. The invention also relates to novel intermediates useful in preparing those aldose reductase inihibitors.
本发明涉及一种制备吡啶嗪酮醛还原酶抑制剂的过程,该抑制剂在哺乳动物中预防和/或治疗糖尿病并发症,如糖尿病神经病变、糖尿病视网膜病变、糖尿病肾病、糖尿病心肌病、糖尿病微血管病和糖尿病大血管病方面有用。本发明还涉及用于制备这些醛还原酶抑制剂的新型中间体。