Biocidal compounds

US5273997A · kind A · utility

Assignee

• Shell Research Limited · GB

Inventors

• Thomas W. Naisby · Sittingbourne, GB
• William W. Wood · Pennington, US
• Werner Simon · Seeheim-Jugenheim, DE

Key dates

• Filing date: Jun 12, 1992
• Grant date: Dec 28, 1993
• Expiry date: Jun 12, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D319/18
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention provides compounds of general formula ##STR1## wherein m is 0 or 1; each of R.sup.1 and R.sup.2, and R.sup.3 and R.sup.4 if present, independently represents a hydrogen or halogen atom or an optionally substituted alkyl, cycloalkyl or aryl group, or R.sup.1 and R.sup.2 together or R.sup.3 and R.sup.4 together represent an optionally substituted alkylene chain; X represents a cyano group, a group --COOH or a salt, ester or amido derivative thereof; Y represents an alkyl group or a halogen atom; and n represents 0, 1, 2 or 3; a process for their preparation; compositions containing such compounds and their use as fungicides.