Group Meetings

The Percec group has its weekly group meetings on Saturday mornings at 10.30am in Vagelos 4000 (subject to change at short notice).

Group members can access slides from previous group meetings on the iMac in the group computer room (Vagelos 4200).

A list of presenters and topics is provided below.

2017
April 15th Janis Lejnieks CuBr2-Mediated Bromination of Acetone and Butyl Acrylate at Room Temperature
Benjamin Partridge Chirally Diluted PBI Derivatives
Dipankar Sahoo Investigating a Library in Search of the Cogwheel Model
April 8th Liang Ding Functional Metathesis Polymers and Crosslinked and Hybrid Nanostructures
Virgil Percec An All Ni-Catalyzed Orthogonal Methodology for the Synthesis of Building Blocks
April 1st Silvia Grama Self-Interrupted Synthesis of Sterically Hindered Aliphatic Polyamide Dendrimers
Dipankar Sahoo Investigating a Library in Search of the Cogwheel Model
March 25th Qi Xiao and Sam Sherman Janus Dendrimersomes from Tricomponent Mixtures of Janus Dendrimers
March 18th Qi Xiao and Sam Sherman Janus Glycodendrimers
March 11th Ryan Jezorek Side Reactions in SET-LRP of MA and BA in Acetone-Water Mixtures
Rauan Smail Side Reactions in SET-LRP of MA and BA in Acetone-Water Mixtures
March 4th Rauan Smail SET-LRP of MA and BA in Acetone-Water Mixtures
February 25th Qi Xiao Janus Glycodendrimers
February 18th Ryan Jezorek Stir-Rate Dependence of SET-LRP
Rauan Smail SET-LRP of MA and BA in Acetone-Water Mixtures
February 11th Ryan Jezorek Stir-Rate Dependence of SET-LRP
Rauan Smail SET-LRP of MA and BA in Acetone-Water Mixtures
January 28th Mojtaba Enayati SET-LRP of BA in Solvent-Water Mixtures
Rauan Smail SET-LRP of MA and BA in Acetone-Water Mixtures
Qi Xiao Synthesis of Kevlar-Like Aromatic Polyamides
January 21st Benjamin Partridge Supramolecular Orientational Memory
January 7th Ryan Jezorek Stir-Rate Dependence of SET-LRP
Qi Xiao and Sam Sherman Janus Glycodendrimers
2016
November 19th Mojtaba Enayati SET-LRP in Mixtures of Acetone and Water
October 22nd Qi Xiao Synthesis of Kevlar-Like Aromatic Polyamides
October 15th Benjamin Partridge Hierarchical Self-Organization of PBIs into Supramolecular Spheres
October 1st Qi Xiao and Sam Sherman Janus Dendrimersomes
September 24th Dipankar Sahoo Dendronized Polyoxazoline with Tapered Minidendritic Side Groups
September 17th Qi Xiao and Sam Sherman Janus Glycodendrimers
September 3rd Mojtaba Enayati SET-LRP of Hydrophobic Acrylates in Multi-Phase Systems
July 30th Jagadeesh Malineni Synthesis of Dendritic Building Blocks by Ni-Catalyzed Cross-Coupling
Xuhao Zhou Introduction to the Group
July 23rd Benjamin Partridge Supramolecular Memory Effect in Assemblies of a Dendronized PBI
July 16th Jagadeesh Malineni Cu-Catalyzed Halogenation of Arylboronic Acids & Arylboronic Esters
June 18th Silvia Grama and Yam Timsina Synthesis of Aliphatic Polyamide Dendrimers
June 11th Jagadeesh Malineni Synthesis of Dendritic Building Blocks by Ni-Catalyzed Cross-Coupling
May 21st Silvia Grama Synthesis of Aliphatic Polyamide Dendrimers
Benjamin Partridge Writing an Abstract
May 14th Jagadeesh Malineni and Yam Timsina Review of Ni-Catalyzed Cross-Coupling Mechanistic Study
Benjamin Partridge Preparing Publication-Quality Figures
April 9th Jagadeesh Malineni Ni-Catalyzed Suzuki-Miyaura Cross-Coupling Reactions
Yam Timsina Synthesis of Aliphatic Polyamide Dendrimers
March 19th Jagadeesh Malineni Ni-Catalyzed Suzuki-Miyaura Cross-Coupling Reactions
Yam Timsina Divergent-Convergent Synthesis of Aliphatic Polyamide Dendrimers
March 12th Jagadeesh Malineni Ni-Catalyzed Suzuki-Miyaura Cross-Coupling Reactions
Yam Timsina Divergent Synthesis of Aliphatic Polyamide Dendrimers
February 20th Jagadeesh Malineni Ni-Catalyzed Suzuki-Miyaura Cross-Coupling Reactions
Yam Timsina Divergent Synthesis of Aliphatic Polyamide Dendrimers
February 13th Jagadeesh Malineni Ni-Catalyzed Suzuki-Miyaura Cross-Coupling Reactions
Yam Timsina Divergent Synthesis of Aliphatic Polyamide Dendrimers
January 30th Jagadeesh Malineni Ni-Catalyzed Suzuki-Miyaura Cross-Coupling Reactions
Yam Timsina Divergent Synthesis of Aliphatic Polyamide Dendrimers
January 16th Benjamin Partridge Synthesis of Chiral Alkyl Bromides
January 9th Benjamin Partridge Generalizing the Cogwheel Model
Virgil Percec Ni-Catalyzed Cross-Coupling in the Discovery of New Structures

Previously, group members would also discuss recent highlights from the recent scientific literature, with a focus on work that is relevant to the group and important to the field. See what we were discussing below!

December 5, 2015

  • Ben - Z. Yu, Y. Wu, Q. Liao, H. Zhang, S. Bai, H. Li, Z. Xu, C. Sun, X. Wang, J. Yao & H. Fu. Self-assembled microdisk lasers of perylenediimides. J. Am. Chem. Soc. 2015, ASAP, doi: 10.10321/jacs.5b10353
  • Jagadeesh - Z. Chen, H. Zeng, S. A. Girard, F. Wang, N. Chen & C.-J. Li. Formal direct cross-coupling of phenols with amines. Angew. Chem. Int. Ed. 2015, 54, 14487–14491.
  • Mojtaba - Z. Xue, D. He & X. Xie. Iron-catalyzed atom transfer radical polymerization. Polym. Chem. 2015, 6, 1660–1687.
  • Qi - N. Seiki, Y. Shoji, T. Kajitani, F. Ishiwari, A. Kosaka, T. Hikima, M. Takata, T. Someya & T. Fukushima. Rational synthesis of organic thin films with exceptional long-range structural integrity. Science 2015, 348, 1122–1126.
  • Shaista - C. Gao, S. Lü, M. Liu, C. Wu & Y. Xiong. CO2-switchable fluorescence of dendritic polymer and its application. Nanoscale 2015, Accepted Manuscript, doi: 10.1039/c5nr06729d
  • Silvia - S. A. McNelles, S. D. Knight, N. Janzen, J. F. Valliant & A. Adronov. Synthesis, radiolabeling, and in vivo imaging of PEGylated high-generation polyester dendrimers. Biomacromolecules 2015, 16, 3033–3041.
  • Yam - K. Matsumoto, K. Nishi, K. Ando & M. Jikei. Synthesis and properties of aromatic polyamide dendrimers with polyhedral oligomeric silsesquioxane cores. Polym. Chem. 2015, 6, 4758–4765.

November 21, 2015

  • Ben - R. V. Mannige, T. K. Haxton, C. Proulx, E. J. Robertson, A. Battigelli, G. L. Butterfoss, R. N. Zuckermann & S. Whitelam. Peptoid nanosheets exhibit a new secondary-structure motif. Nature 2015, 526, 415–422 (online)
  • Dipankar - H.-J. Kim, F. Liu, J.-H. Ryu, S.-K. Kang, X. Zeng, G. Ungar, J.-K. Lee, W.-C. Zin & M. Lee. Self-organization of bent rod molecules into hexagonally ordered vesicular columns. J. Am. Chem. Soc. 2012, 134, 13871–13880 (online)
  • Jagadeesh - T. Niwa, H. Ochiai, Y. Watanabe & T. Hosoya. Ni/Cu-catalyzed defluoroborylation of fluoroarenes for diverse C–F bond functionalizations. J. Am. Chem. Soc. 2015, 137, 14313–14318 (online)
  • Mojtaba - Y.-M. Chuang, A. Ethirajan & T. Junkers. Photoinduced sequence-controlled copper-mediated polymerization: synthesis of decablock copolymers. ACS Macro Lett. 2014, 3, 732–737 (online)
  • Qi - S. M. Bromfield & D. K. Smith. Heparin versus DNA: chiral preferences in polyanion binding to self-assembled multivalent (SAMul) nanostructures. J. Am. Chem. Soc. 2015, 137, 10056–10059 (online)
  • Shaista - X. Liu, R. Li, L. Ma, X. Feng & Y. Ding. Influences of the protonic state of an imidazole-phenanthroline ligand on the luminescence properties of copper(I) complexes: experimental and theoretical research. New. J. Chem. 2016, Advance Article (online)
  • Yam - O. Kreye, D. Kugele, L. Faust & M. A. R. Meier. Divergent dendrimer synthesis via the Passerini three-component reaction and olefin cross-metathesis. Macromol. Rapid Commun. 2014, 35, 317–322 (online)

November 14, 2015

  • Ben - G. W. Collie, K. Pulka-Ziach, C. M. Lombardo, J. Fremauz, F. Rosu, M. Decossas, L. Mauran, O. Lambert, V. Gabelica, C. D. Mackereth & G. Guichard. Shaping quaternary assemblies of water-soluble non-peptide helical foldamers by sequence manipulation. Nat. Chem. 2015, 7, 871–878 (online)
  • Dipankar - M. Pfeffermann, R. Dong, R. Graf, W. Zajaczkowski, T. Gorelik, W. Pisula, A. Narita, K. Müllen & X. Feng. Free-standing monolayer two-dimensional supramolecular organic framework with good internal order. J. Am. Chem. Soc. 2015, 137, 14525–14532 (online)
  • Jagadeesh - L. Hie, N. F. Fine Nathel, T. K. Shah, E. L. Baker, X. Hong, Y.-F. Yang, P. Liu, K. N. Houk & N. K. Garg. Conversion of amides to esters by the nickel-catalysed activation of amide C–N bonds. Nature 2015, 524, 79–83 (online) and N. A. Weires, E. L. Baker & N. K. Garg. Nickel-catalysed Suzuki-Miyaura coupling of amides. Nat. Chem. 2015, AOP (online)
  • Mojtaba - J. Tian, D. Xu, M. Liu, F. Deng, Q. Wan, Z. Li, K. Wang, X. He, X. Zhang & Y. Wei. Marrying mussel inspired chemistry with SET-LRP: a novel strategy for surfae functionalization of carbon nanotubes. J. Polym. Sci. Polym. Chem. A 2015, 53, 1872–1879 (online)
  • Qi - A. Muñoz, D. Sigwalt, B. M. Illescas, J. Luczkowiak, L. Rodriguez-Pérez, I. Nierengarten, M. Holler, J.-S. Remy, K. Buffet, S. P. Vincent, J. Rojo, R. Delgado, J.-F. Nierengarten & N. Martín. Synthesis of giant globular multivalent glycofullerenes as potent inhibitors in a model of Ebola virus infection. Nat. Chem. 2015, AOP (online)
  • Yam - J. Lim, M. Kostiainen, J. Maly, V. C. P. da Costa, O. Annunziata, G. M. Pavan & E. E. Simanek. Synthesis of large dendrimers with the dimensions of small viruses. J. Am. Chem. Soc. 2013, 135, 4660–4663 (online)

October 31, 2015

  • Ben - W. Zhang, W. Jin, T. Fukushima, T. Mori & T. Aida. Helix sense-selective supramolecular polymerization seeded by a one-handed helical polymeric assembly. J. Am. Chem. Soc. 2015, 137, 13972–13975 (online)
  • Dipankar - P.-F. Cao, L.-H. Rong, A. de Leon, Z. Su & R. C. Advincula. A supramolecular polyethylenimine-cored carbazole dendritic polymer with dual applications. Macromolecules 2015, 48. 6801–6809 (online)
  • Jagadeesh - S. Handa, Y. Wang, F. Gallou & B. H. Lipshutz. Sustainable Fe-ppm Pd nanoparticle catalysis of Suzuki-Miyaura cross-coupling in water. Science 2015, 349, 1087–1091 (online) and S. Handa, E. D. Slack & B. H. Lipshutz. Nanonickel-catalyzed Suzuki-Miyaura cross-couplings in water. Angew. Chem. Int. Ed. 2015, 54, 11994–11998 (online)
  • Mojtaba - F. Alsubaie, A. Anastasaki, P. Wilson & D. M. Haddleton. Sequence-controlled multi-block copolymerization of acrylamides via aqueous SET-LRP at 0 °C. Polym. Chem. 2015, 6, 406–417 (online)
  • Qi - B. A. Vaughan, M. S. Webster-Gardiner, T. R. Cundari & T. B. Gunnoe. A rhodium catalyst for single-step styrene production from benzene and ethylene. Science 2015, 348, 421–424 (online)
  • Yam - P. Wessig, D. Budach & A. F. Thünemann. Dendrimers with oligospiroketal (OSK) building blocks: synthesis and properties. Chem. Eur. J. 2015, 21, 10466–10471 (online)

October 3, 2015

  • Ben - J. C. Barnes, D. J. C. Ehrlich, A. X. Gao, F. A. Leibfarth, Y. Jiang, E. Zhou, T. F. Jamison & J. A. Johnson, Iterative exponential growth of stereo- and sequence-controlled polymers. Nat. Chem. 2015, 7, 810–815 (online)
  • Dipankar - H. Lee, Y.-H. Jeong, J.-H. Kim, I. Kim, E. Lee & W.-D. Jang. Supramolecular coordination polymer formed from artificial light-harvesting dendrimer. J. Am. Chem. Soc. 2015, 137, 12394–12399 (online)
  • Jagadeesh - Z. Wang, Z. Ma, Y. Wang, Z. Xu, Y. Luo, Y. Wei & X. Jia. A novel mechanochromic and photochromic polymer film: when rhodamine joins polyurethane. Adv. Mater. 2015, 27, 6469–6474 (online)
  • Mojtaba - C. Zhang, J. Ling & Q. Wang. Radical addition-coupling polymerization (RACP) toward periodic copolymers. Macromolecules 2011, 44, 8739–8743 (online)
  • Qi - S. Zhang, A. M. Bellinger, D. L. Glettig, R. Barman, Y.-A. L. Lee, J. Zhu, C. Cleveland, V. A. Montgomery, L. Gu, L. D. Nash, D. J. Maitland, R. Langer & G. Traverso. A pH-responsive supramolecular polymer gel as an enteric elastomer for use in gastric devices. Nat. Mater. 2015, 14, 1065–1073 (online)
  • Ryan - F. Alsubaie, A. Anastasaki, V. Nikolaou, A. Simula, g. Nurumbetov, P. Wilson, K. Kempe & D. M. Haddleton. Investigating the mechanism of copper(0)-mediated living radical polymerization in aqueous media. Macromolecules 2015, 48, 6421–6432 (online)