Bromination is one of the most important transformations in organic synthesis and can be
carried out using bromine and many other bromo compounds. Use of molecular bromine in …

Of the more than 20 million chemical compounds currently registered, about one half contain
heterocyclic systems. Heterocycles are important, not only because of their abundance, but …

The acid-free, organocatalytic acetalization of various aldehydes and ketones with N, N′-
bis [3, 5-bis (trifluoromethyl) phenyl] thiourea is presented. The neutral, double hydrogen …

The role of silyl groups has already been recognized, of late, as an important part of organic
chemistry from both analytical and synthetic point of view, especially as protecting group in …

Acyclic and cyclic acetals of various carbonyl compounds were obtained in excellent yields
under a mild reaction condition in the presence of trialkyl orthoformate and a catalytic …

A variety of alcohols and aldehydes were reacted with acetic anhydride at room temperature
in the presence of a catalytic amount of lithium triflate (LiOTf) to produce the corresponding …

<i>N</i>‐bromosuccinimide catalyzed condensations of indoles with carbonyl compounds
under solvent‐free conditions | CiNii Research CiNii 国立情報学研究所 学術情報ナビゲータ[サイニィ …

Without effective management, the steady increase of waste plastics threatens
environmental well-being and ecological balance. Plastic up/recycling is a promising …

In the past 20 years, the concept of ionic liquids (ILs) have been extensively applied in the
fields of chemistry, materials, and life sciences.[1] Undoubtedly, the ionic liquids composed …

NBS has been used as a mild, efficient and almost neutral catalyst for the preparation of
dihydropyrimidinones (DHPMs) and the corresponding thio-derivatives under microwave …