Estramustine phosphate alcohol complexes, their preparation, and their use as intermediates in purification of said compound and salts thereof

US4115414A · kind A · utility

Assignee

• Leo Corporation

Inventors

• Sten Krister Kristensson · Helsingborg, SE
• Anders Robert Stamvik

Key dates

• Filing date: Mar 3, 1977
• Grant date: Sep 19, 1978
• Expiry date: Mar 3, 1997

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P35/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

This invention relates to Estramustine Phosphate alcohol complexes, their preparation, and their use as intermediates in purification of said compound and salts thereof, and more particularly to a method of such purification which involves the use of certain alcohols which form molecular complexes with Estramustine Phosphate. It also includes said novel molecular complexes.