Condensation of glyoxal with triethylenetetraamine. Stereochemistry, cyclization and deprotection

DOI: 10.1016/S0040-4039(99)00260-9

Source and publish data:

Tetrahedron Letters p. 2517 - 2520 (1999)

Update date:2022-08-25

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Authors:

Herve, Gwenaelle

Bernard, Helene

Bris, Nathalie Le

Baccon, Michel Le

Yaouanc, Jean-Jacques

Handel, Henri

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Article abstract of DOI:10.1016/S0040-4039(99)00260-9

A mixture of bis-aminal isomers was obtained from aqueous glyoxal- triethylenetetraamine condensation. The irreversible isomerization of the species was observed and a new synthesis of cyclen proposed.

Full text of DOI:10.1016/S0040-4039(99)00260-9

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