{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T21:32:40Z","timestamp":1758403960397,"version":"3.40.5"},"reference-count":36,"publisher":"Beilstein Institut","license":[{"start":{"date-parts":[[2019,4,3]],"date-time":"2019-04-03T00:00:00Z","timestamp":1554249600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2019,4,3]],"date-time":"2019-04-03T00:00:00Z","timestamp":1554249600000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2019,4,3]],"date-time":"2019-04-03T00:00:00Z","timestamp":1554249600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Beilstein J. Org. Chem."],"accepted":{"date-parts":[[2019,3,15]]},"abstract":"<jats:p>The synthesis of mixed-ligand complexes of the type [M<jats:sub>2<\/jats:sub>L(\u03bc-L')]<jats:sup>+<\/jats:sup>, where L represents a 24-membered macrocyclic hexaaza-dithiophenolate ligand, L' is an azobenzene carboxylate co-ligand, and M = Cd(II), Ni(II) or Zn(II), is reported. A series of new complexes were synthesized, namely [M<jats:sub>2<\/jats:sub>L(\u03bc-L')]<jats:sup>+<\/jats:sup> (L' = azo-H, M = Cd (<jats:bold>1<\/jats:bold>), Ni (<jats:bold>2<\/jats:bold>); L' = azo-OH, M = Zn (<jats:bold>3<\/jats:bold>), Ni (<jats:bold>4<\/jats:bold>); L' = azo-NMe<jats:sub>2<\/jats:sub>, M = Zn (<jats:bold>5<\/jats:bold>), Cd (<jats:bold>6<\/jats:bold>), Ni (<jats:bold>7<\/jats:bold>); L' = azo-CO<jats:sub>2<\/jats:sub>Me, M = Cd (<jats:bold>8<\/jats:bold>), Ni (<jats:bold>9<\/jats:bold>)), and characterized by elemental analysis, electrospray ionization mass spectrometry (ESIMS), IR, UV\u2013vis and NMR spectroscopy (for diamagnetic Zn and Cd complexes) and X-ray single crystal structure analysis. The crystal structures of <jats:bold>3'<\/jats:bold> and <jats:bold>5\u20138<\/jats:bold> display an isostructural series of compounds with bridging azobenzene carboxylates in the <jats:italic>trans<\/jats:italic> form. The paramagnetic Ni complexes <jats:bold>2<\/jats:bold>, <jats:bold>4<\/jats:bold> and <jats:bold>7<\/jats:bold> reveal a weak ferromagnetic exchange interaction with magnetic exchange coupling constant values between 21 and 23 cm<jats:sup>\u22121<\/jats:sup> (H = \u22122<jats:italic>J<\/jats:italic>S<jats:sub>1<\/jats:sub>S<jats:sub>2<\/jats:sub>). Irradiation of <jats:bold>1<\/jats:bold> with \u03bb = 365 nm reveals a photoisomerization of the co-ligand from the <jats:italic>trans<\/jats:italic> to the <jats:italic>cis<\/jats:italic> form.<\/jats:p>","DOI":"10.3762\/bjoc.15.81","type":"journal-article","created":{"date-parts":[[2019,4,2]],"date-time":"2019-04-02T08:05:12Z","timestamp":1554192312000},"page":"840-851","source":"Crossref","is-referenced-by-count":7,"title":["Coordination chemistry and photoswitching of dinuclear macrocyclic cadmium-, nickel-, and zinc complexes containing azobenzene carboxylato co-ligands"],"prefix":"10.3762","volume":"15","author":[{"given":"Jennifer","family":"Klose","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tobias","family":"Severin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Hahn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander","family":"Jeremies","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jens","family":"Bergmann","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Fuhrmann","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Griebel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bernd","family":"Abel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Berthold","family":"Kersting","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2086","published-online":{"date-parts":[[2019,4,3]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1021\/ic101574a"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.200351131"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.200500683"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.201200036"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1039\/b907785e"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1002\/chem.200700107"},{"key":"ref7","volume-title":"Infrared 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