Synthesis, theoretical and photophysical studies of mono-alkynylated tetrathienylethene via Sonogashira reaction: A useful tool for enhancement of their aggregation induced emission properties.

Gioi V. Nguyen; Minh T. Do; Tuan Anh Ly; Huy T. Nguyen; Thi Phuong Ly GIANG; Quang T. Tran; Hien Nguyen; T Tung Dang

doi:10.62239/jca.2026.012

Authors

Gioi V. Nguyen School of Chemistry and Life Science, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi, VIETNAM
 Minh T. Do School of Chemistry and Life Science, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi, VIETNAM
Tuan Anh Ly School of Chemistry and Life Science, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi, VIETNAM
Huy T. Nguyen School of Chemistry and Life Science, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi, VIETNAM
Thi Phuong Ly GIANG School of Chemistry and Life Science, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi, VIETNAM
Quang T. Tran School of Chemistry and Life Science, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi, VIETNAM
Hien Nguyen Hanoi National University of Education (HNUE), 136 Xuan Thuy, Cau Giay, Hanoi, Vietnam
Tung T. Dang School of Chemistry and Life Science, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi, VIETNAM

DOI:

https://doi.org/10.62239/jca.2026.012

Keywords:

Tetrathienylethene, Palladium, Sonogashira, aggregation induced emission, alkynylated tetrathienylethene

Abstract

The tetrathienylethene is firstly synthesized via a novel single step via Stille palladium(0) cross coupling reaction of tetrachloroethene with 2-(tributylstannyl)thiophene. The Sonogashira coupling reaction of bromotetrathienylethene with various alkynes are reported. Especially, their photophysical properties and aggregation induced emission effects of alkynylated tetrathienylethene are enhanced, tunable and characterized.

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