Patent · US Active

Process for preparing porphyrin derivatives, such as protoporphyrin (IX) and synthesis intermediates

US8026358B2 · kind B2 · utility

1Cited by

0References

27Claims

0Family size

Assignee

Sanofi Pasteur SA · FR

Inventors

Pierre Martin · Rheinfelden, CH
Markus Mueller · Wegenstetten, CH
Dirk Spielvogel · Lorsch, DE
Dietmar Flubacher · Glückstadt, DE
Andreas Boudier · Zürich, CH

Key dates

Filing date	Mar 28, 2008
Grant date	Sep 27, 2011
Priority date	—
Expiry date	Apr 5, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D487/22
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing a porphyrin of formula (I), optionally in the form of a salt with an alkali metal and/or in the form of a metal complex:in which: in which R′b is as defined above for (I),and a dipyrromethane of formula (III):in which R″ is as defined in claim 1, and also the compounds of formula (III).

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