缅北强奸

Event

Chemical Society Seminar: Professor Konrad Tiefenbacher - Terpene Biosynthesis as Inspiration for Supramolecular Catalysis

Wednesday, June 6, 2018 11:00to12:30
Maass Chemistry Building Room 10, 801 rue Sherbrooke Ouest, Montreal, QC, H3A 0B8, CA

Nature鈥檚 extraordinary elegance when performing chemical reactions has fascinated and inspired chemists for decades. Arguably, one of the most complex organic transformations performed in living organisms, is the tail-to-head terpene (THT) cyclization.[1,2] It allows the construction of the most diverse class of natural products, namely terpenes, via nature鈥檚 way of combinatorial chemical synthesis. Thousands of different natural products are formed from just a handful of simple, acyclic starting materials: geranyl pyrophosphate (monoterpenes), farnesyl-PP (sesquiterpenes) and geranylgeranyl-PP (diterpenes). Nature utilizes enzymes, termed cyclases or terpene synthases, to carry out this complex transformation. Building upon our initial results,[3,4,5] we explore possibilities to utilize supramolecular structures to mimic such complex transformations in the laboratory. The latest results in this direction will be presented.

[1]聽聽聽聽 S. V. Pronin, R. A. Shenvi Nature Chem. 2012, 4, 915. [2]聽聽聽聽聽 D. J. Miller, R. K. Allemann Nat. Prod. Rep. 2012, 29, 60. [3] Q. Zhang, K. Tiefenbacher J. Am. Chem. Soc. 2013, 135, 16213. [4] Q. Zhang, K. Tiefenbacher Nature Chem. 2015, 7, 197. [5] Q. Zhang, L. Catti, J. Pleiss, K. Tiefenbacher J. Am. Chem. Soc. 2017, 139, 11482.

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