The carbon–carbon (C–C) bond cleavage of cyclopropanols is a wide area of research with
much current activity. This review highlights new developments in this area over the past two …

Three-and four-membered rings, widespread motifs in nature and medicinal chemistry, have
fascinated chemists ever since their discovery. However, due to energetic considerations …

Methylene-and alkylidenecyclopropanes (MCPs and ACPs, 1, Figure 1) and-cyclobutanes
(MCBs and ACBs, 2, Figure 1) are highly strained molecules, but at the same time most of …

New catalytic ring-expansion reactions of strained ring (hetero-and carbocyclic) substrates
reported in the last six years (2006–2012) are presented. As evident from the diversity of …

Approaches to research in organic chemistry are as numerous as the reactions they
describe. In this account, we describe our reactivity-based approach. Using our work in the …

The asymmetric gold (I)-catalyzed ring expansion of 1-allenylcyclopropanols is described.
The method provides synthetically valuable cyclobutanones with a vinyl-substituted …

Rhodium-catalyzed C–H activation of arenes has been established as an important strategy
for the rapid construction of new bonds. On the other hand, ring-opening of readily available …

Using cinchona alkaloid-derived primary amines as catalysts and aqueous hydrogen
peroxide as the oxidant, we have developed highly enantioselective Weitz–Scheffer-type …

Due to their high strain, unique bonding and relative ease of ring-cleavage, and because
they are readily accessible, cyclopropanols have been employed in an increasing number of …

A golden opportunity: A novel gold‐catalyzed oxidative ring‐expansion of unactivated
cyclopropylalkynes using Ph 2 SO has been developed (see scheme). For substrates …