{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T03:10:46Z","timestamp":1787800246624,"version":"build-2784847793"},"reference-count":68,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2007,11,19]],"date-time":"2007-11-19T00:00:00Z","timestamp":1195430400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2008,1,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Twin\u2010dendritic organogelators have been prepared through selective functionalization of\n                    <jats:italic>N<\/jats:italic>\n                    \u2010(3\u2010aminopropyl)\u20101,3\u2010propanediamine (APPDA) with self\u2010assembling dendrons by using 1,1\u2032\u2010carbonyldiimidazole (CDI). Subsequent modification of the APPDA linker provided an additional degree of structural diversity by which to tailor the gelator self\u2010assembly in bulk or in the gel state. These compounds are able to gel cyclohexane, toluene,\n                    <jats:italic>n<\/jats:italic>\n                    \u2010butyl acetate, ethyl acetate, dichloromethane, and tetrahydrofuran. 3,4\u2010Disubstituted apical branching units provided the most efficient organogelators and show a propensity to form thixotropic gels, wherein the gel recovers its elasticity after being subjected to shear. Structural and retrostructural analysis of the twin\u2010dendritic organogelators reveals the bulk structural characteristics to be indicative of the subsequent gel properties. Diverse self\u2010organized arrays were identified in bulk and all are able to form gels, thus indicating the role of quasiequivalence in mediating self\u2010assembly in the gel state. Furthermore, we have found that porous columnar mesophases provide a strategy by which to prepare thixotropic gels. We demonstrate the importance of weak lateral hydrogen bonding within a column stratum versus hydrogen bonding along the length of the column for forming porous columnar mesophases and, by extension, thixotropic gels.\n                  <\/jats:p>","DOI":"10.1002\/chem.200701273","type":"journal-article","created":{"date-parts":[[2007,11,19]],"date-time":"2007-11-19T11:17:11Z","timestamp":1195471031000},"page":"909-918","source":"Crossref","is-referenced-by-count":62,"title":["Thixotropic Twin\u2010Dendritic 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