Patent · US Expired

Process for synthesizing khi-substituted ring systems

US6235925A · kind A · utility

1Cited by

1References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Christoph Gürtler · Cologne, DE
Manfred Jautelat · Burscheid, DE
Helmut Greiving · Wuppertal, DE
Herbert Hugl

Key dates

Filing date	Aug 31, 1999
Grant date	May 22, 2001
Priority date	—
Expiry date	Aug 31, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/16
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Using the process according to the invention, it is possible to provide, with few reaction steps, a novel route to .alpha.-substituted ring systems which optionally have further substituents.

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