88174-22-5Relevant academic research and scientific papers
Synthesis of Polycyclic Aromatic Hydrocarbons (PAHs) via a Transient Directing Group
Tang, Ming,Yu, Qinqin,Wang, Ziqi,Zhang, Chen,Sun, Bing,Yi, Ying,Zhang, Fang-Lin
supporting information, p. 7620 - 7623 (2018/12/11)
In this work, an efficient synthetic route was developed to construct PAHs with diverse shape, width, and edge topology. The precursors of PAHs were obtained by using a direct arylation of arenes via a transient ligand-directed C-H functionalization strategy and the cycloaromatization was readily achieved by using a Br?nsted acid catalyst. This novel route provides an opportunity to build up PAHs in a highly efficient manner.
Pd-Catalyzed, ortho C-H Methylation and Fluorination of Benzaldehydes Using Orthanilic Acids as Transient Directing Groups
Chen, Xiao-Yang,Sorensen, Erik J.
supporting information, p. 2789 - 2792 (2018/03/08)
The direct, Pd-catalyzed ortho C-H methylation and fluorination of benzaldehydes have been accomplished using commercially available orthanilic acids as transient directing groups. In these reactions, the 1-fluoro-2,4,6-trimethylpyridinium salts can be either a bystanding F+ oxidant or an electrophilic fluorinating reagent. An X-ray crystal structure of a benzaldehyde ortho C-H palladation intermediate was obtained using triphenylphosphine as the stabilizing ligand.
