
Helvetica Chimica Acta p. 1105 - 1116 (1998)
Update date:2022-08-17
Topics:
Pfammatter, Michael J.
Darbre, Tamis
Keese, Reinhart
The new derivatives 7a-c, of vitamin B12, with a peripheral tris(oxyethylene) chain linked to the corrin ring by an amide or ester group, are prepared, and their ligand-exchange reactions are investigated. Upon reduction of the aqua-cyano complexes 8a-c with NaBH4, cleavage of the 'outer' ester and amide group is observed.
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