- Decoding the Morphological Diversity in Two Dimensional Crystalline Porous Polymers by Core Planarity Modulation
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Two new chemically stable triazine- and phenyl-core-based crystalline porous polymers (CPPs) have been synthesized using a single-step template-free solvothermal route. Unique morphological diversities were observed for these CPPs [2,3-DhaTta (ribbon) and
- Halder, Arjun,Kandambeth, Sharath,Biswal, Bishnu P.,Kaur, Gagandeep,Roy, Neha Chaki,Addicoat, Matthew,Salunke, Jagadish K.,Banerjee, Subhrashis,Vanka, Kumar,Heine, Thomas,Verma, Sandeep,Banerjee, Rahul
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- Synthesis and electrochemical characterization of donor-acceptor phenylazomethine dendrimers
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The synthesis of the first donor-acceptor phenylazomethine dendrimers (4 and 5) is described. A convergent method is used via the condensation of aromatic ketones with an appropriately functionalized tri(aminophenyl)-s- triazine promoted by titanium (IV)
- Juárez, Rafael,Gómez, Rafael,Segura, José L.,Seoane, Carlos
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p. 8861 - 8864
(2007/10/03)
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- Lanthanide(III) Ion Catalyzed Reaction of Ammonia and Nitriles: Synthesis of 2,4,6-Trisubstituted-s-triazines
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Lanthanum and yttrium trifluoromethanesulfonates at 1 mole percent concentration, have been found to catalyze a reaction between ammonia and aromatic nitriles to yield symmetrically substituted 2,4,6-triaryl-s-triazines.The generally high yields and relatively mild reaction conditions of this procedure suggest it as an alternative to other aromatic nitrile cyclotrimerization reactions.Of the aliphatic nitriles studied, acetonitrile and cyclopropanecarbonitrile gave good yields of triazine, propionitrile and butyronitrile gave significantly reduced yields of triazines 3b and3c respectively.Rearrangement of 3a and 3b to alkylated-4-aminopyrimidines was observed.
- Forsberg, John H.,Spaziano, Vincent T.,Klump, Stephen P.,Sanders, Kathleen M.
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p. 767 - 770
(2007/10/02)
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