Atom- and step-economic oxo-azidation
and oxo-hydroxyphthalimidation
of styrenes have been developed under mild electrolytic conditions,
respectively. Various valuable alpha-azido or hydroxyphthalimide aromatic
ketones were synthesized efficiently from readily available styrenes,
azides, and N-hydroxyphthalimides. Mechanism studies
show that two different pathways involved in these two transformations.
Herein, we report a base-mediated, highly meta-selective O-arylation process of phenols and cyclic
diaryliodonium salts without usage of transition metals. This novel
and practical method was proved to be useful for the synthesis of
iodine-containing meta-functionalized biaryl ethers
in a broad functional group tolerance and environmentally friendly
manner. Diversity-oriented transformations of the products were carried
out to give various valuable functionalized biaryls. Preliminary mechanistic
studies support the proposed aryne generation mechanism.
Nanocrystalline Co2P metalloid is prepared as anode material for Ni/Co secondary batteries by reduction of a Co‐based phosphate with KBH4 (600 °C, 0.5 h).
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