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Longer titles found: Sharpless asymmetric dihydroxylation (view), Upjohn dihydroxylation (view)

searching for Dihydroxylation 32 found (76 total)

Sharpless oxyamination (293 words) [view diff] exact match in snippet view article find links to article

a vicinal amino alcohol. The reaction is related to the Sharpless dihydroxylation, which converts alkenes to vicinal diols. Vicinal amino-alcohols are

Dihydroquinidine (61 words) [view diff] exact match in snippet view article find links to article

this molecule is used as chiral ligand in the AD-mix for Sharpless dihydroxylation. The substance is also a class Ia antiarrhythmic medication. Dihydroquinine

Dihydroquinine (125 words) [view diff] exact match in snippet view article find links to article

this molecule is used as chiral ligand in the AD-mix for Sharpless dihydroxylation. DHQ also inhibits growth of the parasite Toxoplasma gondii by inducing

Hydroxylation (1,058 words) [view diff] exact match in snippet view article find links to article

some reactions add OH groups to unsaturated substrates. The Sharpless dihydroxylation is such a reaction: it converts alkenes into diols. The hydroxy groups

Potassium osmate (294 words) [view diff] exact match in snippet view article find links to article

solution. The salt gained attention as a catalyst for the asymmetric dihydroxylation of olefins. The complex anion is octahedral. Like related d2 dioxo

Ruthenium tetroxide (1,380 words) [view diff] exact match in snippet view article find links to article

also be used for dihydroxylation. Because RuO4 degrades the "double bonds" of arenes (especially electron-rich ones) by dihydroxylation and cleavage of

Ferrier rearrangement (583 words) [view diff] exact match in snippet view article find links to article

Helliwell, Madeleine (1999). "Synthesis of amino-sugars using the directed dihydroxylation reaction". Chemical Communications (17): 1733–1734. doi:10.1039/a904991f

Aromatic-ring-hydroxylating dioxygenases (814 words) [view diff] exact match in snippet view article find links to article

incorporate two atoms of dioxygen (O2) into their substrates in the dihydroxylation reaction. The product is (substituted) cis-1,2-dihydroxycyclohexadiene

Homogeneous catalysis (894 words) [view diff] exact match in snippet view article find links to article

complexes, as illustrated by the Halcon process and the Sharpless dihydroxylation. Enzymes are homogeneous catalysts that are essential for life but

Anisodine (190 words) [view diff] exact match in snippet view article find links to article

as the starting material via a key step of the Sharpless asymmetric dihydroxylation (AD). Anisodamine Scopolamine Varma DR, Yue TL (March 1986). "Adrenoceptor

Fluoranthene (470 words) [view diff] exact match in snippet view article find links to article

Its biodegradation has been elucidated. The process commences with dihydroxylation at each of two kinds of CH=CH linkages. Nomenclature of Organic Chemistry :

Febrifugine (187 words) [view diff] exact match in snippet view article find links to article

fibrosis, and inflammatory disease. McLaughlin, N. P.; Evans, P. (2010). "Dihydroxylation of Vinyl Sulfones: Stereoselective Synthesis of (+)- and (−)-Febrifugine

Tagetitoxin (997 words) [view diff] exact match in snippet view article find links to article

Sammond, D. M.; Smith, R. S.; Sobolov, S. B.; Oeschger, T. R. (1996). "Dihydroxylation and oxidative cleavage of olefins in the presence of sulfur". Tetrahedron

Payne rearrangement (1,773 words) [view diff] exact match in snippet view article find links to article

Asymmetric dihydroxylation may be used to synthesize epoxy alcohols with high stereoselectivity, and some of the methods relying on dihydroxylation avoid the

Catalytic oxidation (598 words) [view diff] exact match in snippet view article find links to article

Prize–winning examples are the Sharpless epoxidation and the Sharpless dihydroxylation. Catalytic oxidations are common in biology, especially since aerobic

Potassium ferricyanide (1,199 words) [view diff] exact match in snippet view article find links to article

chemistry. It is an oxidant for catalyst regeneration in Sharpless dihydroxylations. Potassium ferricyanide is also one of two compounds present in ferroxyl

Pyrene (1,114 words) [view diff] exact match in snippet view article find links to article

biodegradation has been heavily examined. The process commences with dihydroxylation at each of two kinds of CH=CH linkages. Experiments in pigs show that

Oleandomycin (990 words) [view diff] exact match in snippet view article find links to article

P450 enzyme. The method by which OleP epoxidates is suspected to be a dihydroxylation followed by the conversion of a hydroxyl group into a phosphate group

Ketone (2,948 words) [view diff] exact match in snippet view article find links to article

Houben–Hoesch reaction, and the Fries rearrangement. Ozonolysis, and related dihydroxylation/oxidative sequences, cleave alkenes to give aldehydes or ketones, depending

Ketone (2,948 words) [view diff] exact match in snippet view article find links to article

Houben–Hoesch reaction, and the Fries rearrangement. Ozonolysis, and related dihydroxylation/oxidative sequences, cleave alkenes to give aldehydes or ketones, depending

Pravindra Kumar (1,588 words) [view diff] exact match in snippet view article find links to article

Vellanki, Bhargava Pavan; Kumar, Pankaj (2022). "Structural insights into dihydroxylation of terephthalate, a product of polyethylene terephthalate degradation"

Macrocyclic stereocontrol (2,664 words) [view diff] exact match in snippet view article find links to article

9-dihydroerythronolide B, enolate alkylations such as in (±)-3-deoxyrosaranolide, dihydroxylations such as in cladiell-11-ene-3,6,7-triol, and reductions such as in eucannabinolide

Pyrrolizidine alkaloid (3,552 words) [view diff] exact match in snippet view article find links to article

starting from intermediate (+)−9. The key features are diastereoselective dihydroxylation, inversion at the ring junction by hydroboration of an enamine, and

Pancratistatin (1,760 words) [view diff] exact match in snippet view article find links to article

installed the amine and catachol ring in 98:2 er. Epoxidation then dihydroxylation of the resulting diene afforded the 4 hydroxyl groups. The synthesis

Michael Scott VanNieuwenhze (439 words) [view diff] exact match in snippet view article find links to article

Society. 115: 7864-7865. VanNieuwenhze MS, Sharpless KB. The asymmetric dihydroxylation of cis-allylic and homoallylic alcohols Tetrahedron Letters. 35: 843-846

Dioxygenase (2,879 words) [view diff] exact match in snippet view article find links to article

state of the enzyme. The Rieske dioxygenases usually catalyze the cis-dihydroxylation of arenes to cis-dihydro-diol products. These dioxygenases also catalyze

Oxoammonium-catalyzed oxidation (1,647 words) [view diff] exact match in snippet view article find links to article

primary alcohol oxidation is observed. In conjunction with Sharpless dihydroxylation, this method can be used to generate enantiopure α-hydroxy acids. (11)

Oxaziridine (2,506 words) [view diff] exact match in snippet view article find links to article

selectivity toward tertiary hydrogens. Hydroxylation of primary carbons and dihydroxylation of a compound with two oxidizable sites have never been observed. Retention

Bispidine (1,436 words) [view diff] exact match in snippet view article find links to article

(2007). "Biomimetic High‐Valent Non‐Heme Iron Oxidants for the cis‐Dihydroxylation and Epoxidation of Olefins†". Angew. Chem. Int. Ed. 46 (42): 8067–8070

Petasis reaction (3,232 words) [view diff] exact match in snippet view article find links to article

Cbz-protected hydroxy-pyrrolidine 2 with a PBM coupling, followed by dihydroxylation and TBS protection. A then undergo intramolecular cyclization via a

Borylation (3,976 words) [view diff] exact match in snippet view article find links to article

method to synthesize pectinolide H. Midland reduction and Sharpless dihydroxylation reaction are involved in generating the three chiral centers at C–4’

Artificial metalloenzyme (2,755 words) [view diff] exact match in snippet view article find links to article

Derived from Acylated Proteins as Catalysts for the Enantioselective Dihydroxylation and Epoxidation of Styrene Derivatives". Chemistry: A European Journal