Patent · US Active

Process for the preparation of trans-2,3-disubstituted naphthoquinones

US7842840B2 · kind B2 · utility

2Cited by

1References

22Claims

0Family size

Assignee

LABORATORIO CHIMICO INTERNAZIONALE S.P.A. · IT

Inventors

Antonio Nardi · Gambellara, IT
Mara Sada · Segrate, IT
Annibale Salvi · Milano, IT
Stefano Maiorana · Milano, IT

Key dates

Filing date	May 6, 2008
Grant date	Nov 30, 2010
Priority date	—
Expiry date	May 6, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C46/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention concerns a new process for the preparation of naphthoquinones, in particular an improved process for the preparation of 2,3-disubstituted 1,4-naphthoquinones, in the trans configuration.

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