Crystalline solid forms of tigecycline and methods of preparing same

US8372995B2 · kind B2 · utility

Assignee

• Wyeth, LLC · US

Inventors

• Lalitha Krishnan · Airmont, US
• Subodh Deshmukh · White Plains, US
• Anthony F. Hadfield · Ruskin, US
• W. James Huang · Fryeburg, US
• Mannching Sherry Ku · Thiells, US

Key dates

• Filing date: May 25, 2006
• Grant date: Feb 12, 2013
• Expiry date: Oct 8, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2603/46
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Crystalline solid forms of tigecycline, Form I, Form II, Form III, Form IV, and Form V, compositions comprising these crystalline solid forms, and processes for preparing these crystalline solid forms are described herein.