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Longer titles found: Metal-catalyzed cyclopropanations (view)

searching for Cyclopropanation 42 found (83 total)

Zinc–copper couple (684 words) [view diff] exact match in snippet view article find links to article

required for formation of an organozinc reagent in the Simmons–Smith cyclopropanation of alkenes. The couple has been widely applied as a reagent in other

Kulinkovich reaction (1,696 words) [view diff] exact match in snippet view article find links to article

1021/ja00099a068. Cha, Jin Kun; Kulinkovich, Oleg G. (2012). "The Kulinkovich cyclopropanation of carboxylic acid derivatives". Organic Reactions. 77: 1–159. doi:10

Buckminsterfullerene (4,453 words) [view diff] exact match in snippet view article find links to article

inter-cage C–C bond is formed: Cyclopropanation (the Bingel reaction) is another common method for functionalizing C60. Cyclopropanation of C60 mostly occurs at

Carbene radical (983 words) [view diff] exact match in snippet view article find links to article

Cobalt(III)-carbene radicals have found catalytic applications in cyclopropanation reactions, as well as in a variety of other catalytic radical-type

Methyl phenylacetate (152 words) [view diff] exact match in snippet view article find links to article

perfumes to impart honey scents. Methyl phenyldiazoacetate, precursor to cyclopropanation agents, is prepared by treating methyl phenylacetate with p-acetamidobenzenesulfonyl

Bisoxazoline ligand (2,222 words) [view diff] exact match in snippet view article find links to article

began with the very first application of BOX ligands in carbenoid cyclopropanations and has been expanded to include 1,3-Dipolar cycloaddition and Diels-Alder

Methyl phenyldiazoacetate (203 words) [view diff] exact match in snippet view article find links to article

derivatives are precursors to donor-acceptor carbenes, which can be used for cyclopropanation or to insert into C-H bonds of organic substrates. These reactions

Divinylcyclopropane-cycloheptadiene rearrangement (1,320 words) [view diff] exact match in snippet view article find links to article

or triple bonds, elimination of bis(2-haloethyl)cyclopropanes and cyclopropanation. In the example below, cuprate addition-elimination generates the transient

Copper(II) triflate (191 words) [view diff] exact match in snippet view article

in several organic reactions, such as the Diels–Alder reaction and cyclopropanation reactions (much like rhodium(II) acetate). NIOSH Pocket Guide to Chemical

Organogold chemistry (3,036 words) [view diff] exact match in snippet view article find links to article

property that has been exploited in catalytic transformations such as cyclopropanation and C-H insertion. Propargyl esters can serve as precursors for cationic

Wulff–Dötz reaction (1,502 words) [view diff] exact match in snippet view article find links to article

alkene moiety is present in Fischer carbene, but not in conjugation, cyclopropanation could be observed. The strategy was employed in a formal synthesis

Intramolecular reactions of diazocarbonyl compounds (1,217 words) [view diff] exact match in snippet view article find links to article

reactions mediated by copper are typically moderate. For enantioselective cyclopropanations and insertions, both copper- and rhodium-based catalysts are employed

Tosylhydrazone (657 words) [view diff] exact match in snippet view article find links to article

metal carbenes and used in cyclopropanations and epoxidations. An example of a transition metal-catalyzed cyclopropanation is a synthesis of tranylcypromine

Ring expansion and contraction (1,704 words) [view diff] exact match in snippet view article find links to article

bicyclic intermediate. The strategy can start with a Simmons-Smith-like cyclopropanation of a cyclic alkene. A related cyclopropane-based ring expansion is

Schiff base (880 words) [view diff] exact match in snippet view article find links to article

Noyori developed a copper-Schiff base complex for the metal-carbenoid cyclopropanation of styrene. Schiff bases have also been incorporated into metal–organic

Methylecgonidine (899 words) [view diff] exact match in snippet view article find links to article

synthetically. Davies et al. synthesized (R/S)-methylecgonidine by a tandem cyclopropanation/Cope rearrangement. Thus, reaction of methyldiazobutenoate (2) with

List of inorganic compounds named after people (852 words) [view diff] exact match in snippet view article find links to article

[(CO)5Cr=C(CH3)OCH3] Folin–Ciocalteu reagent (H3PMo12O40 / H3PW12O40) Furukawa's cyclopropanation reagent (ZnEt2 / CH2I2) Frémy's salt (Na2NO(SO3)2) Gilman reagents

Johnson–Corey–Chaykovsky reaction (2,189 words) [view diff] exact match in snippet view article find links to article

Aggarwal, V. K. (1997). "Asymmetric Ylide Reactions: Epoxidation, Cyclopropanation, Aziridination, Olefination, and Rearrangement". Chemical Reviews.

Organorhenium chemistry (869 words) [view diff] exact match in snippet view article find links to article

Schmidt, Boris (1997). "Methyltrioxorhenium - from oxidation and cyclopropanation to metathesis". Journal für Praktische Chemie/Chemiker-Zeitung. 339

Enantioselective synthesis (4,726 words) [view diff] exact match in snippet view article find links to article

a chiral Schiff base ligand, which he used for the metal–carbenoid cyclopropanation of styrene. In common with Knowles' findings, Noyori's results for

Kharasch–Sosnovsky reaction (1,283 words) [view diff] exact match in snippet view article find links to article

unique combination of the Kharasch reaction and the Simmons−Smith cyclopropanation facilitated the introduction of the cyclopropyl group, enabling the

Emily Balskus (2,068 words) [view diff] exact match in snippet view article find links to article

biological function." They have been able to develop biocompatible cyclopropanation and hydrogenation reactions to alter the reactivity of microbes by

Trioctylmethylammonium bis(trifluoromethylsulfonyl)imide (77 words) [view diff] exact match in snippet view article

Mayoral, J. A.; Carrie, D.; Vaultier, M. (2001). "Enantioselective cyclopropanation reactions in ionic liquids". Tetrahedron: Asymmetry. 12 (13): 1891–1894

Transition metal porphyrin complexes (1,274 words) [view diff] exact match in snippet view article find links to article

PMID 24823261. Doyle MP (2009-01-19). "Exceptional selectivity in cyclopropanation reactions catalyzed by chiral cobalt(II)-porphyrin catalysts". Angewandte

Wendy Young (681 words) [view diff] exact match in snippet view article find links to article

)-ferruginine and (.+-.)-anhydroecgonine methyl-ester by a tandem cyclopropanation/Cope rearrangement". The Journal of Organic Chemistry. 56 (19): 5696–5700

Chrysanthemyl diphosphate synthase (184 words) [view diff] exact match in snippet view article find links to article

synthase. The relationship among chain elongation, branching, and cyclopropanation reactions in the isoprenoid biosynthetic pathway". J. Am. Chem. Soc

Fluorocyclopropane (228 words) [view diff] exact match in snippet view article find links to article

group with xenon difluoride. Also, a reaction of enantioselective cyclopropanation of fluoro-substituted allylic alcohols using zinc carbenoids. Fluoroalkanes

Lavandulyl diphosphate synthase (165 words) [view diff] exact match in snippet view article find links to article

synthase. The relationship among chain elongation, branching, and cyclopropanation reactions in the isoprenoid biosynthetic pathway". J. Am. Chem. Soc

Transition metal carbene complex (1,979 words) [view diff] exact match in snippet view article find links to article

reaction. Diazo compounds like methyl phenyldiazoacetate can be used for cyclopropanation or to insert into C-H bonds of organic substrates. These reactions

Spiro compound (2,210 words) [view diff] exact match in snippet view article find links to article

5-dilithiopentane. For generating spirocycles containing a cyclopropane ring, cyclopropanation with cyclic carbenoids has been demonstrated. Spiro compounds are often

Pyrethrin (2,872 words) [view diff] exact match in snippet view article find links to article

Cyclopropanation reaction producing chrysanthemyl diphosphate, an intermediate in the biosynthesis of chrysanthemic acid

Jacquelyn S. Fetrow (2,542 words) [view diff] exact match in snippet view article find links to article

in Diverse Cytochrome P450s Facilitates Diastereoselective Olefin Cyclopropanation. Chembiochem. 2016 Mar 2;17(5):394-7. doi: 10.1002/cbic.201500624.

GSK1360707F (242 words) [view diff] exact match in snippet view article find links to article

Trifluoroacetic acid (TFA) removal of protecting group. Simmons–Smith reaction cyclopropanation. Williamson ether synthesis (c.f. NS patents & paxil). GSK1360707F

Khristo Ivanov (918 words) [view diff] exact match in snippet view article find links to article

Anka; Trendafilova, Antoaneta; Ivanov, Christo; Rodios, Nestor A.; Cyclopropanation Reaction of 3-Acyl-2H-1-Benzopyran-2-ones with Phenacylbromide in Phase

David Hodgson (chemist) (345 words) [view diff] exact match in snippet view article

0307274101. ISSN 0027-8424. PMC 397403. PMID 15037752. 'Intramolecular Cyclopropanation of Unsaturated Terminal Epoxides' D. M. Hodgson, Y. K. Chung and J

Andreas Pfaltz (658 words) [view diff] exact match in snippet view article find links to article

Copper-Semicorrin Complexes as Enantioselective Catalysts for the Cyclopropanation of Olefins by Diazo Compounds". Angewandte Chemie International Edition

Fluorenylidene (789 words) [view diff] exact match in snippet view article find links to article

stereochemistry of cycloaddition products depends on the relative rates of cyclopropanation (or other reactions) and intersystem crossing. Stabilization of specific

Rhenium compounds (2,595 words) [view diff] exact match in snippet view article find links to article

Schmidt, Boris (1997). "Methyltrioxorhenium - from oxidation and cyclopropanation to metathesis". Journal für Praktische Chemie/Chemiker-Zeitung. 339

F. Dean Toste (1,264 words) [view diff] exact match in snippet view article find links to article

Toste, F. Dean (2005-12-01). "Gold(I)-Catalyzed Stereoselective Olefin Cyclopropanation". Journal of the American Chemical Society. 127 (51): 18002–18003.

Cycloisomerization (1,714 words) [view diff] exact match in snippet view article find links to article

giving a wide variety of products. It is proposed that intramolecular cyclopropanation occurs via a 1,2–shift of the propargyl ester mediated by Au to give

Dialkylbiaryl phosphine ligands (3,942 words) [view diff] exact match in snippet view article find links to article

Echavarren, Antonio M. (2006-09-11). "Gold(I)-Catalyzed Intermolecular Cyclopropanation of Enynes with Alkenes: Trapping of Two Different Gold Carbenes". Angewandte

Heinz Falk (4,009 words) [view diff] exact match in snippet view article find links to article

Copper Complexes of Pyridinologous Linear Tri- and Tetrapyrroles as Cyclopropanation Catalysts. Monatsh. Chem., 125, 325 (1994) H. Falk and J. Meyer, On