摘要 |
The present invention relates to a novel, high-yield and low-cost method for preparing entecavir, [1-S-(1a,3a,4,ß]-2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one, an antiviral agent, and novel intermediates used therein. |
申请人 |
HANMI PHARM. CO., LTD.;LEE, JAEHEON;PARK, GHA-SEUNG;KIM, JIN HEE;LEE, JI EUN;PARK, CHUL HYUN;CHOI, TAE JIN;PARK, EUN-JU;KIM, CHEOL KYUNG;LIM, EUN JUNG;CHANG, YOUNG-KIL;LEE, GWAN SUN |
发明人 |
LEE, JAEHEON;PARK, GHA-SEUNG;KIM, JIN HEE;LEE, JI EUN;PARK, CHUL HYUN;CHOI, TAE JIN;PARK, EUN-JU;KIM, CHEOL KYUNG;LIM, EUN JUNG;CHANG, YOUNG-KIL;LEE, GWAN SUN |