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cis-diprotected cyclams and cyclens: A new route to symmetrically or asymmetrically 1,4-disubstituted tetraazamacrocycles and to asymmetrically tetrasubstituted derivatives
Authors
F. Bellouard
F. Chuburu
+5 more
H. Handel
Nelly Kervarec
Y. Le Mest
Ludovic Toupet
Smail Triki
Publication date
1 January 1999
Publisher
HAL CCSD
Abstract
International audienceThe use of cyclam and cyclen oxamides as intermediates for the synthesis of N1,N4-disubstituted tetraazamacrocycles is reported. This pathway affords a general strategy for the preparation of symmetrically or asymmetrically disubstituted derivatives in good yields. Also these intermediates proved convenient synthons for the preparation of asymmetrically tetrasubstituted macrocycles, leading to a new class of potentially dinucleating ligands. © The Royal Society of Chemistry 1999
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HAL-Université de Bretagne Occidentale
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oai:HAL:hal-01771403v1
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Archive Ouverte en Sciences de l'Information et de la Communication
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HAL-Rennes 1
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Last time updated on 02/05/2018