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Regioselective synthesis of 1,7-diprotected 1,4,7,10-tetraazacyclododecane and preparation of a dialcohol dicarboxylic macrocyclic ligand

Autor: Arnaud Dumont, Peng Qixiu, Vincent Jacques, Jean F. Desreux

Publikováno v: Tetrahedron Letters. 35:3707-3710

The reaction of 1,4,7,10-tetraazacyclododecane with p-toluenesulfonyl chloride in pyridine or with diethyl phosphite and CCl4 in a water/CH2Cl2 mixture yields selectively the 1,7-diprotected regioisomer. The 1,7-diprotected tetraaza cycles are intere

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::549b7360b7b5108843bba3c18118114a
https://doi.org/10.1016/s0040-4039(00)73077-2

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USING THE DIELECTRIC POLARIZATION MEASUREMENT IN STUDYING OF MOLECULAR INTERACTION IN SOLUTION I. WATER-TBP-BENZENE SYSTEM

Autor: Peng Qixiu, Shi Xiukun, Gao Hongcheng

Publikováno v: Acta Physico-Chimica Sinica. 3:555-559

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7eba47366dd3257bd0c69b88b074b6b9
https://doi.org/10.3866/pku.whxb19870522

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