Patent · US Active

Process for preparing prophyrin derivatives, such as protoprophyrin (IX) and synthesis intermediates

US8420805B2 · kind B2 · utility

1Cited by

0References

14Claims

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	Aug 25, 2011
Grant date	Apr 16, 2013
Priority date	—
Expiry date	Aug 25, 2031

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), 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.