Allenes are the simplest class of cumulenes, with two contiguous C C bonds, and show
unique physical and chemical properties. These features make allenes particularly attractive …

After the long-held assumption of the unreactivity of gold, numerous reactions catalyzed by
this noble metal have been increasingly emerging in the literature over the past 2 decades …

Allenes are highly valuable synthetic precursors in preparative organic chemistry because of
their ability to undergo a variety of transformations. 1 Among many different reaction modes …

Allene–Verbindungen mit zwei benachbarten C C‐Bindungen–bilden die einfachste
Klasse unter den Cumulenen. Sie verfügen über außergewöhnliche physikalische und …

Polyether ionophores represent a large group of natural, biologically active substances
produced by Streptomyces spp. They are lipid soluble and able to transport metal cations …

Presented herein is a mild, facile, and efficient iron‐catalyzed synthesis of substituted
allenes from propargyl carboxylates and Grignard reagents. Only 1–5 mol% of the …

Streptomyces species are considered promising biological control strains since they
produce various antimicrobial substances to control diseases in fruit and vegetables. Many …

In nature there are various specific reactions for which highly selective detection or support
is required to preserve their bio-specificity or/and functionality. In this respect, mimics of cell …

Crude lipase from porcine pancreas acts as a highly efficient biocatalyst in the
enantioselective transesterification of prochiral allendiols. Following a simple synthetic …

Nitrogen, oxygen, and sulfur containing heterocycles have a wide range of biological
activities. Metal and nonmetal catalysts are used in organic reactions with high activity. New …