The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 02, 2013
Filed:
Jun. 30, 2011
Hyun Ju, Yongin-si, KR;
Sang-sun Joung, Hwaseong-si, KR;
Hyun-jik Yi, Yongin-si, KR;
Ja-heouk Khoo, Gunpo-si, KR;
Jong-chul Lim, Yongin-si, KR;
Jae-gyu Kim, Seoul, KR;
Hyun Ju, Yongin-si, KR;
Sang-Sun Joung, Hwaseong-si, KR;
Hyun-Jik Yi, Yongin-si, KR;
Ja-Heouk Khoo, Gunpo-si, KR;
Jong-Chul Lim, Yongin-si, KR;
Jae-Gyu Kim, Seoul, KR;
Yuhan Corporation, Seoul, KR;
Abstract
The present invention provides an improved process for preparing HMG-CoA reductase inhibitors such as rosuvastatin calcium, fluvastatin sodium, and pitavastatin calcium under a mild condition, using a novel amide-bond-containing compound having R—N—O—Rmoiety as a key intermediate. And also, the present invention provides the novel compound, an intermediate useful for the preparation thereof, and a process for the preparation thereof.