Purinyl salts useful for preparing guanine containing antiviral agents

US5608064A · kind A · utility

Assignee

• Bristol-Myers Squibb Company · US

Inventors

• Janak Singh · Lawrenceville, US
• Gregory S. Bisacchi · Lawrenceville, US
• Jollie D. Godfrey, Jr. · Lawrenceville, US
• Toomas Mitt · Plainsboro, US
• Richard H. Mueller · Marl, DE
• Robert Zahler · Pennington, US
• Thomas P. Kissick · Princeton, US

Key dates

• Filing date: Jun 1, 1995
• Grant date: Mar 4, 1997
• Expiry date: Jun 1, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D473/40
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A purine salt of the formula ##STR1## wherein Y.sub.1 is chloro, bromo, or iodo, and R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from alkyl and substituted alkyl.