title: Clickable Poly(ionic liquids): A Materials Platform for Transfection.
abstract: The potential applications of cationic poly(ionic liquids) range from medicine to energy storage, and the development of efficient synthetic strategies to target innovative cationic building blocks is an important goal. A post-polymerization click reaction is reported that provides facile access to trisaminocyclopropenium (TAC) ion-functionalized macromolecules of various architectures, which are the first class of polyelectrolytes that bear a formal charge on carbon. Quantitative conversions of polymers comprising pendant or main-chain secondary amines were observed for an array of TAC derivatives in three hours using near equimolar quantities of cyclopropenium chlorides. The resulting TAC polymers are biocompatible and efficient transfection agents. This robust, efficient, and orthogonal click reaction of an ionic liquid, which we term ClickabIL, allows straightforward screening of polymeric TAC derivatives. This platform provides a modular route to synthesize and study various properties of novel TAC-based polymers.
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Jessica L
authors: JL
authors: Freyer
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Spencer D
authors: SD
authors: Brucks
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Graham S
authors: GS
authors: Gobieski
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Sebastian T
authors: ST
authors: Russell
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Carrie E
authors: CE
authors: Yozwiak
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Mengzhen
authors: M
authors: Sun
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Zhixing
authors: Z
authors: Chen
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Yivan
authors: Y
authors: Jiang
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Jeffrey S
authors: JS
authors: Bandar
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA.
authors: Brent R
authors: BR
authors: Stockwell
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA. tl2240@columbia.edu.
authors: Tristan H
authors: TH
authors: Lambert
authors: Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA. lcampos@columbia.edu.
authors: Luis M
authors: LM
authors: Campos
mesh_terms: D002470:Cell Survival / Q000187:drug effects; D057930:Click Chemistry; D057809:HEK293 Cells; D006801:Humans; D052578:Ionic Liquids / Q000737:chemistry*; D008156:Luciferases / Q000235:genetics; D009682:Magnetic Resonance Spectroscopy; D000071228:Polyelectrolytes / Q000737:chemistry; D011094:Polyethyleneimine / Q000737:chemistry; D011108:Polymers / Q000737:chemistry* / Q000494:pharmacology; D014162:Transfection / Q000379:methods*
chemical_list: D052578:Ionic Liquids; D000071228:Polyelectrolytes; D011108:Polymers; D011094:Polyethyleneimine; D008156:Luciferases
keywords: click chemistry; gene delivery; ionic liquids; polyelectrolytes; polymers