Enantioselective synthesis (redirect from Chiral ligand) synthesis. The chiral metal catalysts are almost invariably rendered chiral by using chiral ligands, but it is possible to generate chiral-at-metal complexes... 41 KB (4,718 words) - 12:46, 31 March 2024 |
ligands, and Δ (capital delta, Greek "D") for a right-handed twist (pictured). Also cf. dextro- and levo- (laevo-). Chiral ligands confer chirality to... 32 KB (3,785 words) - 18:01, 27 March 2024 |
olefin, fixing the stereochemistry. Note that only part of the chiral phosphine ligand is shown for the sake of clarity. Quadrant model for asymmetric... 64 KB (6,351 words) - 14:54, 11 December 2023 |
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... 11 KB (1,164 words) - 21:28, 31 March 2024 |
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... 14 KB (1,512 words) - 00:33, 18 April 2024 |
Chirality /kaɪˈrælɪtiː/ is a property of asymmetry important in several branches of science. The word chirality is derived from the Greek χείρ (kheir)... 33 KB (3,797 words) - 21:03, 4 April 2024 |
Baylis–Hillman reaction (section Chiral auxiliaries) 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... 24 KB (2,788 words) - 13:40, 14 February 2024 |
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... 9 KB (753 words) - 23:41, 23 March 2024 |
Diene (section As ligands) 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... 8 KB (798 words) - 20:05, 28 February 2024 |
Lewis acid catalysis (section Common Chiral Ligands) acid-catalyzed reactions. More recently, Lewis acid catalysts with chiral ligands have become an important class of tools for asymmetric catalysis. Challenges... 44 KB (5,017 words) - 06:20, 11 November 2023 |
chiral pool is tapped to produce asymmetric catalysts, chiral protecting groups, and resolving agents. Asymmetric catalysis relies on chiral ligands,... 5 KB (515 words) - 11:57, 6 September 2023 |
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... 2 KB (61 words) - 21:40, 25 February 2023 |
Asymmetric induction (redirect from Chiral induction) called chiral auxiliaries. In external asymmetric induction chiral information is introduced in the transition state through a catalyst of chiral ligand. This... 29 KB (3,674 words) - 13:53, 11 February 2024 |
Perovskite solar cell (section Chiral ligands) substrate and a chiral ligand, assembly into a chiral secondary structure, or chiral surface defects. By attaching a chiral phenylethylamine ligand to an achiral... 185 KB (20,945 words) - 11:49, 30 March 2024 |
Metal–organic framework (section Ligand exchange) a chiral ligand and bpdc (bpdc: biphenyldicarboxylate) with Zn(NO3)2 and obtained twofold interpenetrating 3D networks. The orientation of chiral ligand... 176 KB (21,263 words) - 09:18, 1 April 2024 |
Bis(oxazoline) ligands (often abbreviated BOX ligands) are a class of privileged chiral ligands containing two oxazoline rings. They are typically C2‑symmetric... 20 KB (2,222 words) - 03:01, 9 February 2024 |
main application is in Sharpless epoxidation, where it serves as a chiral ligand to titanium after reaction with titanium isopropoxide. Katsuki, Tsutomu;... 2 KB (89 words) - 20:50, 18 February 2022 |
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... 21 KB (2,371 words) - 03:25, 10 March 2024 |
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... 3 KB (125 words) - 18:35, 4 January 2024 |
Stereocenter (redirect from Chiral center) 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... 11 KB (1,248 words) - 09:48, 3 April 2024 |
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... 20 KB (2,175 words) - 13:53, 30 November 2023 |
Mono-N-protected amino acids (redirect from MPAA ligand) bifunctional ligand that plays a key role in C–H functionalizations by accelerating the reaction rate and imparting specified chirality into the product... 25 KB (2,764 words) - 06:39, 17 November 2023 |
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... 12 KB (1,406 words) - 21:04, 19 March 2024 |
A Josiphos ligand is a type of chiral diphosphine which has been modified to be substrate-specific; they are widely used for enantioselective synthesis... 13 KB (1,265 words) - 15:56, 14 March 2024 |