Patent · US Active

Dioxolane and dioxane derivatives and a process for their preparation

US8222435B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

Sergii Pazenok · Solingen, DE
Norbert Lui · Odenthal, DE
Igor Gerus · Horlivka, UA
Olga Balabon · Horlivka, UA

Key dates

Filing date	Dec 15, 2010
Grant date	Jul 17, 2012
Priority date	—
Expiry date	Dec 15, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D319/12
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to novel acylmethylene-1,3-dioxolanes and acylmethylene-1,4-dioxanes of the general formula (I)in which R1, R2, R3 and n have the meanings given in the description, and also a novel process for their preparation. Acylmethylene-1,3-dioxolanes and acylmethylene-1,4-dioxanes are important intermediates for the preparation of pyrazoles and anthranilamides, which can be used as insecticides.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.