Synthesis of precursors of iodine-labeled multifunctional ligands containing 2-nitroimidazole for the detection of hypoxic tissues and/or tumors
摘要:
Biocompatible multifunctional ligands with telomeric structure containing 2-nitroimidazole as affinity marker and tosylate as precursor of I-123 radioactive tracer were prepared. Telomerization of appropriate monomers derived from tris(hydroxymethyl)-acrylamido-methane was performed in the presence of dodecanethiol, and either AIBN or tert-butylperoxide. These conjugates are designed to target hypoxic tissues and tumors. (C) 2001 Elsevier Science Ltd. All rights reserved.
Stereoelectronic control of oxazolidine ring-opening: structural and chemical evidences
作者:Jimmy Sélambarom、Sophie Monge、Francis Carré、Jean Pierre Roque、André A Pavia
DOI:10.1016/s0040-4020(02)01287-5
日期:2002.11
Ringopening of oxazolidines derived from tris(hydroxymethyl)aminomethane, l-serine and l-threonine was investigated. It was shown that n(N)→σ∗(C–O) electron delocalization (endo-anomeric effect) occurring in the five-membered ring plays a major role in the cleavage of the intracyclic C–O bond. The present work establishes that when the nitrogen lone pair is conjugated with a carbonyl group (n(N)→π(CO)
Synthesis of precursors of iodine-labeled multifunctional ligands containing 2-nitroimidazole for the detection of hypoxic tissues and/or tumors
作者:Sophie Monge、Jimmy Sélambarom、Jean Pierre Roque、André A Pavia
DOI:10.1016/s0040-4020(01)01022-5
日期:2001.12
Biocompatible multifunctional ligands with telomeric structure containing 2-nitroimidazole as affinity marker and tosylate as precursor of I-123 radioactive tracer were prepared. Telomerization of appropriate monomers derived from tris(hydroxymethyl)-acrylamido-methane was performed in the presence of dodecanethiol, and either AIBN or tert-butylperoxide. These conjugates are designed to target hypoxic tissues and tumors. (C) 2001 Elsevier Science Ltd. All rights reserved.