227994

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Showing 1-15 of 15 results for "227994" within Papers

Cuerva, J. M.; Gomez-Bengoa, E.; et al

The Journal of Organic Chemistry, 62, 7540-7540 (1997)

Tetrahedron Letters, 22, 1399-1399 (1981)

Palladium-catalyzed arylation of trimethylsilyl enolates of esters and imides. High functional group tolerance and stereoselective synthesis of alpha-aryl carboxylic acid derivatives.

Xiaoxiang Liu et al.

Journal of the American Chemical Society, 126(16), 5182-5191 (2004-04-22)

A general procedure for the palladium-catalyzed arylation of trimethylsilyl enolates of esters and imides is reported. In the presence of ZnF2 or Zn(O-t-Bu)2 as an additive, the trimethylsilyl enolates of esters, including those bearing alpha-alkoxy derivatives, underwent arylation in high

El Ali, B.; Alper, H.

The Journal of Organic Chemistry, 56, 5357-5357 (1991)

Bis (dibenzylideneacetone) palladium (0).

Stille JR, et al.

e-EROS Encyclopedia of Reagents for Organic Synthesis. (2013)

Palladium-catalyzed, asymmetric Mizoroki-Heck reaction of benzylic electrophiles using phosphoramidites as chiral ligands.

Zhigang Yang et al.

Journal of the American Chemical Society, 134(29), 11833-11835 (2012-07-04)

We report herein the first examples of asymmetric Mizoroki-Heck reactions using benzyl electrophiles. A new phosphoramidite was identified to be an effective chiral ligand in the palladium-catalyzed reaction. The reaction is compatible with polar functional groups and can be readily

Macsari, I.; Hupe, E.; Szabo, K. J.

The Journal of Organic Chemistry, 64, 9547-9547 (1999)

Facile synthesis of pristine graphene-palladium nanocomposites with extraordinary catalytic activities using swollen liquid crystals.

T Vats et al.

Scientific reports, 6, 33053-33053 (2016-09-14)

Amazing conductivity, perfect honeycomb sp(2) arrangement and the high theoretical surface area make pristine graphene as one of the best materials suited for application as catalyst supports. Unfortunately, the low reactivity of the material makes the formation of nanocomposite with

Tetrahedron Letters, 25, 4379-4379 (1984)

Arentsen, K.; Caddick, S.et al.

Tetrahedron Letters, 45, 3511-3511 (2004)

Synlett, 3057-3057 (2006)

Sterically bulky thioureas as air- and moisture-stable ligands for pd-catalyzed Heck reactions of aryl halides.

Dan Yang et al.

Organic letters, 6(10), 1577-1580 (2004-05-07)

We demonstrate that sterically bulky N,N'-disubstituted cyclic thiourea-Pd(0) complexes are air- and moisture-stable and highly active catalysts for palladium-catalyzed Heck reaction of aryl iodides and bromides with olefins (TONs up to 500000 for the reaction of PhI and methyl acrylate).

Aldrichimica Acta, 15, 13-13 (1982)

Controlling olefin isomerization in the heck reaction with neopentyl phosphine ligands.

Matthew G Lauer et al.

The Journal of organic chemistry, 79(22), 10837-10848 (2014-10-22)

The use of neopentyl phosphine ligands was examined in the coupling of aryl bromides with alkenes. Di-tert-butylneopentylphosphine (DTBNpP) was found to promote Heck couplings with aryl bromides at ambient temperature. In the Heck coupling of cyclic alkenes, the degree of

Tetrahedron Letters, 21, 4437-4437 (1980)

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