{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T20:24:20Z","timestamp":1790195060723,"version":"4.1.0"},"reference-count":80,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T00:00:00Z","timestamp":1766966400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T00:00:00Z","timestamp":1766966400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2026,2,16]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Herein, we report bis\u2010guanidinate (BG)\u2010bridged heterobimetallic lithium\u2013zirconium organometallic compounds, revealing new dimensions of ligand\u2010induced structural versatility. Reactions of lithiated salts of bis\u2010guanidinates bearing 2,6\u2010dimethylphenyl (\n                    <jats:sup>Xyl<\/jats:sup>\n                    LLi) or 2,6\u2010diethylphenyl (\n                    <jats:sup>Dep<\/jats:sup>\n                    LLi) aryl\u2010substituents (where L\u00a0= {(ArHN)(ArN)\u2013C\u2550N\u2013C\u2550(NAr)(NHAr)}; Ar\u00a0= Xyl\u00a0= 2,6\u2010Me\n                    <jats:sub>2<\/jats:sub>\n                    C\n                    <jats:sub>6<\/jats:sub>\n                    H\n                    <jats:sub>3<\/jats:sub>\n                    or Dep\u00a0= 2,6\u2010Et\n                    <jats:sub>2<\/jats:sub>\n                    C\n                    <jats:sub>6<\/jats:sub>\n                    H\n                    <jats:sub>3<\/jats:sub>\n                    ) with Cp\n                    <jats:sub>2<\/jats:sub>\n                    ZrHCl (Schwartz's reagent) in benzene proceed\n                    <jats:italic>via<\/jats:italic>\n                    elimination of H\n                    <jats:sub>2<\/jats:sub>\n                    and HCl to afford well\u2010defined Li\/Zr heterobimetallic complexes. The formation of these heterobimetallic compounds was confirmed by multinuclear NMR spectroscopy (\n                    <jats:sup>1<\/jats:sup>\n                    H,\n                    <jats:sup>1<\/jats:sup>\n                    <jats:sup>3<\/jats:sup>\n                    C{\n                    <jats:sup>1<\/jats:sup>\n                    H}, and \u2077Li and DOSY NMR) and single\u2010crystal X\u2010ray diffraction studies. Structural analysis shows that the LX\u2010type bis\u2010guanidinate framework in LLi undergoes conversion to an unprecedented L\n                    <jats:sub>2<\/jats:sub>\n                    X\n                    <jats:sub>3<\/jats:sub>\n                    coordination mode, wherein the ligand acts as trianionic (tritopic) toward zirconium and neutral (ditopic) toward lithium, generating two four\u2010membered and one six\u2010membered metallacycles. Solid\u2010state analysis reveals pronounced structural diversity, with one complex adopting a dimeric arrangement and the other forming a zig\u2010zag coordination polymer composed of CpZr\u2013bis\u2010guanidinate\u2013LiCp units. Notably, the polymeric complex exhibits catalytic activity, showing efficient dihydroboration of nitriles under neat conditions and effective hydroboration of \u03b1,\u03b2\u2010unsaturated ketones, carbodiimide, alkyne, and isocyanates, highlighting the catalytic relevance of polymeric BG\u2010supported Li\/Zr architecture.\n                  <\/jats:p>","DOI":"10.1002\/chem.202503086","type":"journal-article","created":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T14:01:34Z","timestamp":1767016894000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Bis\u2010Guanidinate Scaffold for the Construction of Unique Zr(IV)\u2010Li(I) Heterobimetallic Complexes"],"prefix":"10.1002","volume":"32","author":[{"given":"Sagrika","family":"Rajput","sequence":"first","affiliation":[{"name":"School of Chemical Sciences, National Institute of Science Education and Research (NISER) Homi Bhabha National Institute (HBNI)  Bhubaneswar India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8856-4561","authenticated-orcid":false,"given":"Sharanappa","family":"Nembenna","sequence":"additional","affiliation":[{"name":"School of Chemical Sciences, National Institute of Science Education and Research (NISER) Homi Bhabha National Institute (HBNI)  Bhubaneswar India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,12,29]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1039\/j19700002550"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1039\/b515490a"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1039\/b806510a"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2013.03.015"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.202000737"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201903442"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2015.07.012"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1039\/C9DT01289C"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1039\/b800100f"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1039\/C9DT01289C"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1021\/om0009029"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2010.01.008"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.201501239"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.3390\/molecules27185962"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.4c00006"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/om300942p"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1071\/CH14384"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.201501221"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.poly.2023.116471"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2009.07.014"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1039\/C8OB02240B"},{"key":"e_1_2_7_23_1","doi-asserted-by":"publisher","DOI":"10.1039\/c2cs35180c"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4CS00013G"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1039\/C8DT01434E"},{"key":"e_1_2_7_26_1","doi-asserted-by":"publisher","DOI":"10.1007\/430_2010_19"},{"key":"e_1_2_7_27_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.1c00641"},{"key":"e_1_2_7_28_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.joc.0c00234"},{"key":"e_1_2_7_29_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.202100375"},{"key":"e_1_2_7_30_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.organomet.3c00281"},{"key":"e_1_2_7_31_1","doi-asserted-by":"publisher","DOI":"10.1039\/D4CC03972F"},{"key":"e_1_2_7_32_1","doi-asserted-by":"publisher","DOI":"10.1002\/cplu.202300737"},{"key":"e_1_2_7_33_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr60212a001"},{"key":"e_1_2_7_34_1","doi-asserted-by":"publisher","DOI":"10.1039\/C6DT02013E"},{"key":"e_1_2_7_35_1","doi-asserted-by":"publisher","DOI":"10.1021\/ar100103h"},{"key":"e_1_2_7_36_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2011.12.012"},{"key":"e_1_2_7_37_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.202100141"},{"key":"e_1_2_7_38_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.0c01362"},{"key":"e_1_2_7_39_1","doi-asserted-by":"publisher","DOI":"10.1039\/b618151a"},{"key":"e_1_2_7_40_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.5c01335"},{"key":"e_1_2_7_41_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.201100901"},{"key":"e_1_2_7_42_1","doi-asserted-by":"publisher","DOI":"10.1021\/om9010615"},{"key":"e_1_2_7_43_1","doi-asserted-by":"publisher","DOI":"10.1021\/om701118j"},{"key":"e_1_2_7_44_1","doi-asserted-by":"publisher","DOI":"10.1039\/cs9952400121"},{"key":"e_1_2_7_45_1","doi-asserted-by":"publisher","DOI":"10.1039\/C3SC53126K"},{"key":"e_1_2_7_46_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41570\u2010020\u201000226\u20105"},{"key":"e_1_2_7_47_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2004.02.007"},{"key":"e_1_2_7_48_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr9003852"},{"key":"e_1_2_7_49_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr941154y"},{"key":"e_1_2_7_50_1","doi-asserted-by":"publisher","DOI":"10.1016\/0010\u20108545(84)85063\u20108"},{"key":"e_1_2_7_51_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.9b03778"},{"key":"e_1_2_7_52_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4DT02013H"},{"key":"e_1_2_7_53_1","doi-asserted-by":"publisher","DOI":"10.1021\/om970141i"},{"key":"e_1_2_7_54_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic990668i"},{"key":"e_1_2_7_55_1","doi-asserted-by":"publisher","DOI":"10.1021\/om200471e"},{"key":"e_1_2_7_56_1","doi-asserted-by":"publisher","DOI":"10.1201\/9781420007282"},{"key":"e_1_2_7_57_1","doi-asserted-by":"publisher","DOI":"10.1002\/asia.202000672"},{"key":"e_1_2_7_58_1","doi-asserted-by":"publisher","DOI":"10.1002\/tcr.202200192"},{"key":"e_1_2_7_59_1","doi-asserted-by":"publisher","DOI":"10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