A persistent carbene (also known as stable carbene) is an organic molecule whose natural resonance structure has a carbon atom with incomplete octet (a...

exception are the persistent carbenes, which have extensive application in modern organometallic chemistry. There are two common methods for carbene generation...

transition metal carbene complex is an organometallic compound featuring a divalent carbon ligand, itself also called a carbene. Carbene complexes have...

Carbenes in their triplet state can be viewed as diradicals centred on the same atom, while these are usually highly reactive persistent carbenes are...

coinage metal center (M = Cu, Ag, Au) ligated by at least one NHC-type persistent carbene. A variety of such complexes have been synthesized through deprotonation...

with a carbene precursor. An early pioneer was Christoph Grundmann reporting on a carbene dimerisation in 1938. In the domain of persistent carbenes the...

National Hockey Center in St. Cloud, Minnesota N-Heterocyclic carbene, a persistent carbene, commonly used as ligand in organometallic chemistry Nearly...

synthesis of some original persistent carbenes, including bis(diisopropylamino)cyclopropenylidene, the first example of a carbene with all-carbon environment...

The triazol-5-ylidenes are a group of persistent carbenes which includes the 1,2,4-triazol-5-ylidene system and the 1,2,3-triazol-5-ylidene system. As...

nitrogens) would yield the carbene dihydroimidazol-2-ylidene. Derivatives of the latter comprise an important class of persistent carbenes. Classified as a diamine...

Retrieved January 7, 2007. A. J. Arduengo (1976). "Looking for Stable Carbenes: The Difficulty in Starting Anew". Accounts of Chemical Research. 32 (11):...

chemistry at Technische Universität Berlin he is notable for work on persistent carbenes and for proposing the Wanzlick equilibrium between saturated imidazolin-2-ylidenes...

surprisingly stable, and form an important class of the persistent carbenes. They include the first stable carbenes postulated (but not isolated) by Hans-Werner...

strong bases. Unlike with olefins, the ylides traditionally called persistent carbenes instead tend to cleave the central bond, forming two phosphaalkene/phosphinidene...

of vitamin B1: This was the first evidence for the existence of persistent carbenes. Furoin has been used as a plasticizer. Denis Lorient (1999), New...

in hydroboration, organometallic chemistry, chiral materials and persistent carbenes. In 2010 Crudden became head of a Natural Sciences and Engineering...

Stable and persistent phosphorus radicals are phosphorus-centred radicals that are isolable and can exist for at least short periods of time. Radicals...

(R2Sn:) are a class of organotin(II) compounds that are analogues of carbene. Unlike carbene, which usually has a triplet ground state, stannylenes have a singlet...

bonds are more non-polar covalent in character. Gallium(III) iodide Persistent carbene Dohmeier, Carsten; Loos, Dagmar; Schnöckel, Hansgeorg (1996). "Aluminum(I)...

Grubbs, a CRD consultant, for the metathesis work. Anthony Arduengo’s persistent carbenes opened up a new area of chemistry and they have proven to be important...

species are usually encountered only as transient intermediates. However, persistent alkyl radicals with half-lives "from seconds to years" have been prepared...

compounds include both stannylenes (formula: R2Sn, as seen for singlet carbenes) and distannylenes (R4Sn2), which are roughly equivalent to alkenes. Both...

The premier example is difluorocarbene, CF2, which is a singlet whereas carbene (CH2) has a triplet ground state. This difference is significant because...

a carbene via loss of N2. Insertion generated a BC5 system, which could then undergo a subsequent insertion with another equivalent of the carbene to...

Vinyl Allyl 1-Propenyl Crotyl Allene Cumulene Aryl Phenyl Benzyl Alkyne Carbene Only carbon, hydrogen, and oxygen (only C, H and O) Only one element, not...

that unstable phosphasilene can react with DMAP and small N-heterocyclic carbene (NHC) to afford the corresponding stable complexes. In phosphasilenes stabilized...

these cases, the metallocarbene, such as the dirhodium(II)tetracarboxylate carbene, is stabilized through hyperconjugative metal enolate-type interactions...

with Richard R. Schrock describing living polymerization with a tungsten carbene complex. Generally, ROMP reactions involve the conversion of a cyclic olefin...