1.alpha., 2.alpha.-Dihydroxycholecalciferol and process for preparing the same

• US 4,011,250 A
• Filed: 08/06/1975
• Issued: 03/08/1977
• Est. Priority Date: 08/07/1974
• Status: Expired due to Term

• Current Assignee: Chikara Kaneko, Masayuki Ishikawa, Satoshi Sasaki, Tatsuo Suda
• Original Assignee: Chikara Kaneko, Masayuki Ishikawa, Satoshi Sasaki, Tatsuo Suda
• Inventors: Sasaki, Satoshi, Ishikawa, Masayuki, Sugimoto, Akiko, Yamada, Sachiko, Suda, Tatsuo, Kaneko, Chikara
• Primary Examiner(s): Roberts, Elbert L.
• Application Number:
  US05/602,363
• Time in Patent Office: 580 Days
• Field of Search: 260/617 D, 260/617 A, 260/397.2, 260/631 R, 260/617 R
• US Class Current: 552/653
• CPC Class Codes: A61P 3/02 Nutrients, e.g. vitamins, minerals
• CPC Class Codes: C07J 71/0042 Nitrogen only
• CPC Class Codes: C07J 9/00 Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane

Abstract

1α,2α-Dihydroxycholecaliciferol having improved vitamin D activities and a process for preparing the same are disclosed.

Claims

1. 1α

,2α

-dihydroxycholecalciferol represented by the formula ##STR7##