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The study investigates how crystalline salt formation can direct chemical reactivity and regulate polymer structures.

May 3, 20260 citations

Salt Formation as a Regioselectivity Tuning Strategy in Topochemical Polymerization: Generating Two Structurally Distinct Polymers from One Monomer.

BSBichu SebastianIndian Institute of Science Education and Research Thiruvananthapuram ACAthira CheerakkodaIndian Institute of Science Education and Research Thiruvananthapuram KSKana M. SureshanIndian Institute of Science Education and Research Thiruvananthapuram

Key Points

The study investigates how crystalline salt formation can direct chemical reactivity and regulate polymer structures.
Utilized -triazole-linked polymer chains for synthesis.
Examined the rotational rearrangement of the propargyl group during polymerization.
Analyzed the effects of salt formation on chain packing and regiochemistry.
Achieved two distinct polymer structures from a single monomer.
Demonstrated a 110° rotational change in the propargyl group without compromising crystal integrity.
Highlighted the effectiveness of salt formation in enhancing chemical reactivity and controlling polymer properties.

Abstract

-triazole-linked polymer chains. This stereocomplex formation involved a significant rotational rearrangement of the propargyl group (110°) while maintaining crystal integrity. This work establishes crystalline salt formation as a powerful tool for directing chemical reactivity, tuning the regiochemistry of topochemical reactions, and controlling chain packing modalities in the solid state.

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