Molecular assembly of amino acid interlinked, topologically symmetric, π-complementary donor–acceptor–donor triads

• M. B. Avinash,
• K. V. Sandeepa and
• T. Govindaraju

Beilstein J. Org. Chem. 2013, 9, 1565–1571, doi:10.3762/bjoc.9.178

• realized by modulating the chemical functionality of interlinking amino acids. Keywords: amino acids; charge transfer; designer functional molecules; molecular assembly; molecular recognition; Findings Geometric shapes, size and patterns have attracted the inquisitive human mind since time immemorial [1

• functional molecules are believed to pave the way for programmable molecular assemblies with advanced applications. Molecular structures of donor–acceptor–donor traids. The red colouring highlights the topological symmetry of NDI and pyrene. (a) UV–vis and (b) fluorescence spectra of 1 (200 μM) in aqueous

• symmetric and π-complementary pyrene and NDI. Consequently, free-floating high-aspect-ratio supercoiled nanofibres and hierarchical helical bundles of triads are realized by modulating the chemical functionality of interlinking amino acids. Such molecular-recognition processes embodied in pertinent designer