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The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith Mintzer, Vincent J. Venditto, and Brandon Vittur Proceedings A Volume 466(2117):1445-1468 May 8, 2010 ©2010 by The Royal Society

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Page 1: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

The 8 year thicket of triazine dendrimers: strategies, targets and applications

by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith Mintzer, Vincent J. Venditto, and Brandon Vittur

Proceedings AVolume 466(2117):1445-1468

May 8, 2010

©2010 by The Royal Society

Page 2: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Chemoselective reactivity of cyanuric chloride.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 3: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Relative reactivity of a series of amines toward monochlorotriazines.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 4: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

A starting reference for the reactivity of amines with triazines as a function of temperature based on both experimental data and intuition.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 5: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

The first syntheses of triazine dendrimers.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 6: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

The fifth generation dendron.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 7: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Convergent routes to growing trees relying on p-aminobenzylamine linkers.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 8: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Dendrimers with piperazine and p-ABA linkers show different propensity for gelation in acidic chloroform.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 9: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Exploring new linking diamines and chemoselective reactions.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 10: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

An orthogonally reactive dendrimer with 4 hydroxyl groups, 4 silyl ethers, 4 esters, 4 disulphides and 16 BOC-protected amines.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 11: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

A less diverse, generation 4 dendrimer with 16 BOC-protected amines, eight alcohols (four protected) and two monochlorotriazines.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 12: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

A generation 3 dendrimer comprising orthogonally protected amines derived from a generation 2 dendrons and a generation 1 ‘super’ core (dotted circle).

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 13: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

A dendrimer with unique linking diamines and other conformational models.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 14: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

A host of guests derived convergently using piperazine linkers and a ‘common’ core.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 15: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Targets for DNA conjugation.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 16: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Multivalent displays for thiol-disulphide exchange with captopril or CLKKDDRA. Reproduced with permission from Umali & Simanek (2003).

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 17: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Targets for evaluating the kinetics of thiol-disulphide exchange using mass spectrometry.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 18: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Triazine dendrimers cannot intercalate into the interstitial galleries of smectite clays.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 19: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Triazine dendrons can be grown divergently (or attached after convergent synthesis) to inorganic supports.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 20: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Evaluating the biological compatibility of third generation dendrimers with AB4 peripheral groups.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 21: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

A water soluble dendrimer displaying paclitaxel.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 22: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

A divergent route to diversity with a representative dichlorotriazine monomer that was added to the trispiperazinyltriazine core, capped with aminoethoxyethanol and elaborated.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 23: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

An iterative, divergent route to diversity.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society

Page 24: The 8 year thicket of triazine dendrimers: strategies, targets and applications by Eric E. Simanek, Hanan Abdou, Sanjiv Lalwani, Jongdoo Lim, Meredith

Generation 1–5 dendrimers can be accessed through the divergent approach described in scheme 14, but the generation 4 and 5 materials are not ‘single chemical entities’ but rather

mixtures.

Eric E. Simanek et al. Proc. R. Soc. A 2010;466:1445-1468

©2010 by The Royal Society