Jiang, Hejin published the artcileSymmetry Breaking and Amplification in a Self-Assembled Helix from Achiral trans-3-Nitrocinnamic Acid, Safety of (E)-3-(3-Nitrophenyl)acrylic acid, the publication is Journal of Physical Chemistry C (2018), 122(23), 12559-12565, database is CAplus.
Understanding the process of chiral symmetry breaking, amplification, and transfer to the macroscopic chirality in self-assembled systems has been a subject of essential challenge and immense interest. Here, we show that a simple trans-3-nitrocinnamic acid (3-NCA) self-assembles into a helix in solution with symmetry breaking. Upon casting on a solid substrate, the tiny chiral bias in solution was amplified into macroscopic chirality, which could be detected via CD measurements. Furthermore, the SEM observation revealed the unequal numbers of left- and right-handed helixes, which accounted for the net supramol. chirality. In comparison with the other isomers or related mols., it was found that only 3-NCA showed symmetry breaking. It was revealed that the H-bond and dipole-dipole interaction were responsible for the spontaneous symmetry breaking. This work provides a further insight into the emergence and amplification of supramol. chirality in self-assembly systems from achiral mols.
Journal of Physical Chemistry C published new progress about 1772-76-5. 1772-76-5 belongs to catalysis-chemistry, auxiliary class Benzenes, name is (E)-3-(3-Nitrophenyl)acrylic acid, and the molecular formula is C9H7NO4, Safety of (E)-3-(3-Nitrophenyl)acrylic acid.
Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia