Preparation of methionine analogues

• US 3,272,860 A
• Filed: 04/02/1964
• Issued: 09/13/1966
• Est. Priority Date: 04/02/1964
• Status: Expired due to Term

• Current Assignee: Hans L. Nufer
• Original Assignee: Hans L. Nufer
• Inventors: Nufer, Hans L.
• Application Number:
  US04/356,946
• Time in Patent Office: 894 Days
• US Class Current: 562/581
• CPC Class Codes: C07C 323/00 Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups

Claims

1. THE PROCESS OF PREPARING HIGH QUALITY MONOMERIC CALCIUM 2-HYDROXY-4-(METHYLTHIO)BUTYRATE WHICH COMPRISES CONTACTING AN AQUEOUS SOLUTION OF 2-HYDROXY-4(METHYLTHIO)BUTYRIC ACID WITH A CALCIUM COMPOUND OF THE GROUP CONSISTING OF CALCIUM OXIDE AND CALCIUM HYDROXIDE IN THE PRESENCE OF A COMPOUND OF THE STRUCTURE