PHOTOOXYGENOLYSIS OF VITAMIN B12 and RELATED CORRINS: COBALT(III)CORRINS AS SUBSTRATES and QUENCHERS FOR SINGLET OXYGEN (1Δg)*

Kraeutler, Bernhard; Stepánek, René

doi:10.1111/j.1751-1097.1991.tb02060.x

Public

PHOTOOXYGENOLYSIS OF VITAMIN B12 and RELATED CORRINS: COBALT(III)CORRINS AS SUBSTRATES and QUENCHERS FOR SINGLET OXYGEN (1Δg)*

Shared by NobleBlocks on Oct 1, 1991 • 12:00 AM UTC

Authors:

Bernhard Kraeutler

René Stepánek

Abstract

Abstract Under photooxygenolytic conditions, vitamin B 12 can be degraded to two isomeric dioxosec‐ocorrins by a regioselective oxygenolytic cleavage of the corrin macrocycle (preliminary report in Krautler and Stepanek (1985), Angew. Chem. 97 ,71–73; Angew. Chem. Intl. Ed. Engl. 24 ,62–64): irradia...

Subject

Chemistry

Singlet oxygen

Methylene blue

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