A Heteroatom‐Containing Functional Poly(Silylenevinylene): Synthesis, Anion Binding, and Sensing of Anion Extraction Processes

Author:

Garg Bhaskar12ORCID,Bisht Tanuja3,Ling Yong‐Chien4ORCID

Affiliation:

1. Department of Chemistry IIT Roorkee Roorkee 247667 India

2. Department of Chemistry School of Basic Sciences and Technology IIMT University Meerut Uttar Pradesh 250001 India

3. Department of Chemistry Indira Priyadarshini Government Girls P. G. College of Commerce Haldwani Uttarakhand 263139 India

4. Department of Chemistry National Tsing Hua University, 101 Section 2 Kuang‐Fu Road Hsinchu 30013 Taiwan

Abstract

AbstractCatalytic hydrosilylation is one of the important synthetic approaches to prepare functional organosilicon polymers. Herein, a functional silicon copolymer is constructed by polyhydrosilylation reaction between a novel 3,7‐bis(dimethyl silane)‐10‐(2‐ethylhexyl)‐10H‐phenothiazine monomer and a neutral tetrapyrrolic macrocycle, namely, 5,5,10,15,15,20‐hexamethyl‐10α, 20α‐bis(4‐[ethynylphenyl]) calix[4]pyrrole. The as‐constructed copolymer (Mn = 9609, PDI = 2.2) is investigated as an extractant for organic anions as their tetrabutylammonium salts under interfacial aqueous‐organic (water‐chloroform) conditions. In this context, a distinctive naked‐eye colorimetric as well as fluorescence detection method is developed based on anion‐directed hydrogen‐bonding interactions. This kind of color/fluorescence monitoring serves as a handy tool for rapid screening of anion extraction processes. The copolymer exhibits high selectivity toward extraction of chloride anion. This study augments the field of polycarbosilanes, poly(silylenevinylene)s in particular, allowing access to a new application window that can be further advanced with good grace in near future.

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,Organic Chemistry

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