Patent · US Expired

Substituted thieno[3,2-b]pyran-5,7-diones

US5201936A · kind A · utility

2Cited by

0References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Heinz-Jurgen Bertram · Holzminden, DE
Klaus Lurssen · Wittlich, DE
Hans-Joachim Santel · Leverkusen, DE
Robert R. Schmidt · Cologne, DE
Andrew Plant · Leverkusen, DE
Bernd-Wieland Kruger · Wittlich, DE
Achim Harder · Leverkusen, DE
Norbert Mencke · Leverkusen, DE

Key dates

Filing date	Oct 15, 1991
Grant date	Apr 13, 1993
Priority date	—
Expiry date	Oct 15, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D333/32
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Novel substituted thieno[3,2-b]pyran-5,7-diones of the general formula (I) ##STR1## Processes for their preparation and their use as herbicides and as plant growth regulators and novel intermediates of the formula (VI) ##STR2## (in which R.sup.1, R.sup.2, X, Y and Z have the meaning given in the description).

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