An Alternative Method for the Selective Synthesis of Ortho-nitro Anilines Using Bismuth Nitrate Pentahydrate.

Background: Nitroaromatic compounds are important scaffolds used for the syn-thesis of a variety of compounds, such as explosives, herbicides, dyes, perfumes and phar-maceuticals. Bismuth nitrate pentahydrate is a widely used reagent in organic synthesis; how-ever, its utility as a nitrating agent for anilines is underexplored.

Objective: The aim of this work is to propose and find the proper reaction conditions of an alternative nitrating agent constituted by a mixture of bismuth nitrate / acetic anhydride in DCM with a series of substituted anilines under mild reflux.

Unravelling the Role of Electrochemically Active FePO Coating by Atomic Layer Deposition for Increased High-Voltage Stability of LiNiMnO Cathode Material.

derived by atomic layer deposition (ALD) is used to coat the 5 V LiNiMnO cathode material powders, which dramatically increases the capacity retention of LiNiMnO. It is believed that the amorphous FePO layer could act as a lithium-ions reservoir and electrochemically active buffer layer during the charge/discharge cycling, helping achieve high capacities in LiNiMnO, especially at high current densities.

Spectroscopic studies of copper, silver and gold-metallothioneins.

Metallothionein is a ubiquitous protein with a wide range of proposed physiological roles, including the transport, storage and detoxification of essential and nonessential trace metals. The amino acid sequence of isoform 2a of rabbit liver metallothionein, the isoform used in our spectroscopic studies, includes 20 cysteinyl groups out of 62 amino acids. Metallothioneins in general represent an impressive chelating agent for a wide range of metals.