Zobrazeno 1 - 10 of 133 pro vyhledávání: '"Johan Springborg"'
1
Adamanzanes—bi- and tricyclic tetraamines and their coordination compoundsElectronic supplementary information (ESI) available: tables of variations in Nax–M–Nax angles as a function of cavity size and the radius of the central ion. See http://www.rsc.org/suppdata/dt/b3/b300510k
Autor: Johan Springborg
Publikováno v: Dalton Transactions. :1653-1665
Structural modification of the important tetraaza macrocyclic ligands such as cyclen and cyclam involving ethylene and trimethylene bridging of the non-adjacent nitrogens represents a new class of macrobicyclic ligands, so-called bowl-adamanzanes. Th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::771278086d649fb465409f3afba1b43d
https://doi.org/10.1039/b300510k
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2
Synthesis, Crystal Structure, and H/D Exchange of the Inside Protonated Form of the Cage Imine 4,8,12-Triaza-1-azoniatricyclo[6.6.3.24,12]nonadec-1(15)-ene. A Model for Proton Transfer through an Aliphatic Membrane
Autor: Bente Nielsen, Carl Erik Olsen, Johan Springborg, Inger Søtofte
Publikováno v: Journal of the American Chemical Society. 124:5084-5090
The reaction of the inside protonated form of the tricyclic amine 1,4,8,12-tetraazatricyclo[6.6.3.2(4,12)]nonadecane (1) with iron(III) affords the inside monoprotonated form of the corresponding imine 4,8,12-triaza-1-azoniatricyclo[6.6.3.2(4,12)]non
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5fdc2939dcc7eabab41f9dc7a32bb57
https://doi.org/10.1021/ja0127638
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5
Synthesis and crystal structure of the bromide salt of the inside protonated form of the cage amine [(2.3)3]adamanzane, 1,4,8,12-tetraazatricyclo[6.6.3.24,12]nonadecane and synthesis of the bowl amine [(2.3)2.21]adamanzane, 1,5,9,12-tetraazabicyclo[7.5.2]hexadecane
Autor: Carl Erik Olsen, Bente Nielsen, Inger Søtofte, Johan Springborg
Publikováno v: Journal of the Chemical Society, Perkin Transactions 2. :2701-2706
The reaction of 1,4,7-triazacyclononane with tris(3-chloropropyl)amine affords the inside monoprotonated form of the tricyclic amine 1,4,8,12-tetraazatricyclo[6.6.3.24,12]nonadecane (3), which was isolated as the bromide salt, [H[(2.3)3]adz]Br (yield
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ecfe4d2f28dec0bedd9cf080c3b21af
https://doi.org/10.1039/a906244k
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