Tetrahedron Letters p. 287 - 290 (1999)
Update date:2022-08-11
Topics:
Gaudinet-Hamann, Beatrice
Zhu, Jiarong
Fensterbank, Helene
Larpent, Chantal
Bis-tetraazacyclotetradecanes (bis-cyclam) are readily prepared with fairly good yields in a one step procedure from non-protected cyclam. The synthesis involves a selective addition of cyclam on bis-acrylamides in chloroform in the presence of one equivalent of p-toluenesulfonic acid.
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