نتایج جستجو برای: multicomponent synthesis

تعداد نتایج: 417971  

Journal: :Organic & biomolecular chemistry 2014
Angelika E Schneider Tamara Beisel Andrej Shemet Georg Manolikakes

A highly efficient Bi(OTf)3-catalyzed multicomponent synthesis of arylglycines from readily available starting materials is described. The reaction proceeds under mild conditions and provides a general route to various N-protected arylglycines.

Journal: :Chemical communications 2015
Meenal Kataria Subhamay Pramanik Manoj Kumar Vandana Bhalla

Pot-shaped fluorescent aggregates of 6,6-dicyanopentafulvene derivative serve as reactors and stabilizers for the preparation of luminescent ZnO nanoparticles, which exhibit high catalytic efficiency in one-pot multicomponent synthesis of tetrahydropyridines.

Journal: :Organic & biomolecular chemistry 2013
Teng-fei Niu Mu Sun Mei-fang Lv Wen-bin Yi Chun Cai

An efficient chemoselective process for the synthesis of 14- and 15-membered triazole-containing macrocycle compounds has been developed through the combination of two multicomponent reactions and an intramolecular Sonogashira cross-coupling reaction.

Journal: :Organic & biomolecular chemistry 2012
Muhammad Abbas Ludger A Wessjohann

Ammonia and selenoaldehydes are both problematic components in Ugi reactions. Here we report the efficient direct multicomponent synthesis of sensitive selenocysteine peptides without the use of convertible (protected) primary amines, including suitable deprotection protocols for selenols.

The development of multicomponent reactions (MCRs) designed to produce elaborate biologically active compounds has become an important area of research in organic, combinatorial, and medicinal chemistry. A comparative study of the synthesis of new bis-spiro-oxindolo(pyrrolizidines/pyrrolidines) ring systems by the cycloaddition of azomethine ylides generated by a decarboxylative route from sarc...

Ketenimines and azadienes are transient intermediates in organic chemistry especially in elimination-addition processes and in the formation of heterocyclic systems. These compounds play a considerable role as intermediates in the synthesis of heterocyclic ring systems. In this present research synthesis of novel ketenimines and azadienes via multicomponent reactions (MCRs...

Journal: :Green Chemistry 2022

A sustainable and energy efficient indole amide synthesis with a supreme ecological footprint as calculated by E -factor, process mass intensity atom economy.

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