I.INTRODUCTION In this decade, much attention has been focused on the research into polynucle- otide analogs, especially their biological activity properties and more reports have been seen. But reports on the synthes...I.INTRODUCTION In this decade, much attention has been focused on the research into polynucle- otide analogs, especially their biological activity properties and more reports have been seen. But reports on the synthesis of polyurethane are still rare. Hiraoka and Yakoyama reported the synthesis of polyurethanes containing nucleic acid bases展开更多
基金Project supported by the Committee of National Education
文摘I.INTRODUCTION In this decade, much attention has been focused on the research into polynucle- otide analogs, especially their biological activity properties and more reports have been seen. But reports on the synthesis of polyurethane are still rare. Hiraoka and Yakoyama reported the synthesis of polyurethanes containing nucleic acid bases