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One-step synthesis of alpha/beta cyano-aqua cobinamides from vitamin B12 with Zn(II) or Cu(II) salts in methanol


Zhou, K; Zelder, F (2011). One-step synthesis of alpha/beta cyano-aqua cobinamides from vitamin B12 with Zn(II) or Cu(II) salts in methanol. Journal Of Porphyrins And Phthalocyanines, 15(7-8):555-559.

Abstract

This short communication describes the screening of various metal salts for the preparation of cyano-aqua cobinamides from vitamin B12 in methanol. ZnCl(2) and Cu(NO(3))(2)center dot 3H(2)O have been identified as most active for this purpose and represent useful alternatives to the widely applied Ce(III) method that requires excess cyanide.

Abstract

This short communication describes the screening of various metal salts for the preparation of cyano-aqua cobinamides from vitamin B12 in methanol. ZnCl(2) and Cu(NO(3))(2)center dot 3H(2)O have been identified as most active for this purpose and represent useful alternatives to the widely applied Ce(III) method that requires excess cyanide.

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Additional indexing

Other titles:One-step synthesis of α/β cyano-aqua cobinamides from vitamin B12 with Zn(II) or Cu(II) salts in methanol
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:July 2011
Deposited On:08 Mar 2012 13:44
Last Modified:07 Dec 2017 13:22
Publisher:World Scientific
ISSN:1088-4246
Publisher DOI:https://doi.org/10.1142/S1088424611003446
Other Identification Number:ISI:000295053100009

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