synthesis. The chiral metal catalysts are almost invariably rendered chiral by using chiral ligands, but it is possible to generate chiral-at-metal complexes...

ligands, and Δ (capital delta, Greek "D") for a right-handed twist (pictured). Also cf. dextro- and levo- (laevo-). Chiral ligands confer chirality to...

isomers, overthrowing the theory that chirality was necessarily associated with carbon compounds. In general, ligands are viewed as electron donors and the...

olefin, fixing the stereochemistry. Note that only part of the chiral phosphine ligand is shown for the sake of clarity. Quadrant model for asymmetric...

C2-symmetric ligands are a subset of chiral ligands. Chiral ligands, including C2-symmetric ligands, combine with metals or other groups to form chiral catalysts...

reduction, or use of a chiral ligand on the aluminium alkoxide. One method of achieving the asymmetric MPV reduction is with the use of chiral hydride donating...

2005181602120504.a01.pub2. ISBN 0471238961. Yus, Miguel; Ramón, Diego (2007). "Chiral Ligands with an Isoborneol-10-sulfonamide Structure: A Ten-Year Odyssey". Synlett...

Chirality /kaɪˈrælɪtiː/ is a property of asymmetry important in several branches of science. The word chirality is derived from the Greek χείρ (kheir)...

catalyst. Complex of metal salt and chiral ligand is a viable strategy, too. La(OTf)3 and camphor-derived chiral ligands could induce enantioselectivity in...

compound that is often used as a ligand for transition-metal catalysed asymmetric synthesis. BINOL has axial chirality and the two enantiomers can be readily...

Hayashi T, Ueyama K, Tokunaga N, Yoshida K (2003). "A Chiral Chelating Diene as a New Type of Chiral Ligand for Transition Metal Catalysts: Its Preparation...

acid-catalyzed reactions. More recently, Lewis acid catalysts with chiral ligands have become an important class of tools for asymmetric catalysis. Challenges...

chiral pool is tapped to produce asymmetric catalysts, chiral protecting groups, and resolving agents. Asymmetric catalysis relies on chiral ligands,...

in ethanol at 2 g/100 ml. A derivative of this molecule is used as chiral ligand in the AD-mix for Sharpless dihydroxylation. The substance is also a...

pentane. Chiral "salen" ligands may be created by proper substitution of the diamine backbone, the phenyl ring, or both. An example is the ligand obtained...

called chiral auxiliaries. In external asymmetric induction chiral information is introduced in the transition state through a catalyst of chiral ligand. This...

external chiral ligand, reduces the enantioselectivity. As BINOL-containing phosphoramidites have the properties of an intrinsic chiral ligand and simultaneously...

substrate and a chiral ligand, assembly into a chiral secondary structure, or chiral surface defects. By attaching a chiral phenylethylamine ligand to an achiral...

a chiral ligand and bpdc (bpdc: biphenyldicarboxylate) with Zn(NO3)2 and obtained twofold interpenetrating 3D networks. The orientation of chiral ligand...

Bis(oxazoline) ligands (often abbreviated BOX ligands) are a class of privileged chiral ligands containing two oxazoline rings. They are typically C2‑symmetric...

main application is in Sharpless epoxidation, where it serves as a chiral ligand to titanium after reaction with titanium isopropoxide. Katsuki, Tsutomu;...

4-bis(diphenylphosphino)butane) is an organophosphorus compound that is used as a chiral ligand in asymmetric catalysis. It is a white solid that is soluble in organic...

based on a three-point attachment between the solute and the bonded chiral ligand on the surface of the stationary phase. These interactions may be attractive...

rotation is −148° in ethanol. A derivative of this molecule is used as chiral ligand in the AD-mix for Sharpless dihydroxylation. DHQ also inhibits growth...

priority. A chirality center (chiral center) is a type of stereocenter. A chirality center is defined as an atom holding a set of four different ligands (atoms...

reaction of an alkene with osmium tetroxide in the presence of a chiral quinine ligand to form a vicinal diol. The reaction has been applied to alkenes...

which is the re-oxidant in the catalytic cycle Potassium carbonate A chiral ligand: AD-mix α contains (DHQ)2PHAL, the phthalazine adduct with dihydroquinine...

bifunctional ligand that plays a key role in C–H functionalizations by accelerating the reaction rate and imparting specified chirality into the product...

transition metal catalyzed reactions is achieved through the use of a chiral Lewis basic ligand in catalytic amounts. For ketone substrates that can chelate the...

A Josiphos ligand is a type of chiral diphosphine which has been modified to be substrate-specific; they are widely used for enantioselective synthesis...