In this review, synthetic and mechanistic aspects of key methodologies that exploit C–C
single-bond cleavage of strained ring systems are highlighted. The focus is on transition …

The cleavage and reorganization of carbon− carbon bonds is an industrial key technology
for crude oil refining, carried out on a massive scale. In contrast, C− C bond cleavage …

The exponential increase in the number of catalytic transformations that involve a metal‐
promoted activation of hitherto considered inert C− H bonds is promoting a fundamental …

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 …

With the aid of computations and experiments, the detailed mechanism of the phosphine‐
catalyzed [3+ 2] cycloaddition reactions of allenoates and electron‐deficient alkenes has …

In recent years, transition metal-catalyzed strong C–C bond activation has significantly
attracted the attention of synthetic chemists. This protocol enables simultaneous and direct …

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A highly enantioselective Rh (I)-catalyzed intramolecular [3+ 2] cycloaddition of 1-yne-VCPs
to bicyclo [3.3. 0] compounds with an all-carbon chiral quaternary stereocenter at the …

The importance of strained carbocycles such as three-membered rings has long been
recognised in organic chemistry. 1 Indeed, organic chemists have always been fascinated …

The theoretically inspired development of a Rh-catalyzed [3+ 2+ 1] carbocyclization of
carbon-and heteroatom-tethered alkenylidenecyclopropanes (ACPs) with CO for the …