grignard reagents

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Showing 1-12 of 12 results for "grignard reagents" within Technical Documents

Number AL-106 PRODUCT NO. D10,620-8 These ethers are stable to alkali, organolithium and Grignard reagents, Red-Al®, lithium aluminum hydride, acetic anhy- dride, and chromium trioxide oxidations, yet

ChemFiles Vol 7 No 4

VOLUME 7 NUMBER 4 Grignard and Organozinc Reagents rieke® highly reactive metals grignard reagents organozinc halides dialkylmagnesium and dialkyzinc reagents 2-Pyridylzinc bromide

Green Chemistry Brochure

Resembles Toluene in physical properties – Bromo and lodo Grignards tend to be more soluble in 2-MeTHF where as chloro Grignard reagents tend to be less soluble • Forms an azeotrope rich with water

Product Information Sheet - 95930

2007 VOLUME 7 NUMBER 4 Grignard and Organozinc Reagents RIEKE® HIGHLY REACTIVE METALS GRIGNARD REAGENTS ORGANOZINC HALIDES DIALKYLMAGNESIUM AND DIALKYZINC REAGENTS 2-Pyridylzinc bromide

Chemfile vol.7 no 1

electron-deficient pyrimidine ring by the isopropyl Grignard reagent. Finally, the ligand also allows for the clean and direct addition of Grignard reagents to aryl acid chlorides to give the corresponding

Product Information Sheet - Z406260

for convenient and safe handling of air- and moisture-sensitive materials (e.g., organolithium and Grignard solutions) that are packaged in Aldrich Sure/Seal‰ bottles. The valve cap, when equipped with a

Chemfile vol.6 no 3

performed on the oxidative addition of aryl halides with Pd(0) and subsequent coupling of Grignard reagents. However, deficiencies in these previous examples include high catalyst loadings, high temperatures

Rieke Organozinc Reagents

of Rieke® Organozinc Reagents that are stable as solutions in tetrahydrofuran. These reagents have different reactivity and selectivity properties than the analogous Grignard Reagents, and are employed in

Phosphine Ligand Application Guide

• Addition of β-dicarbonyl enolates to dienes • Coupling of aryl and alkyl halides with Grignard reagents Ph P P Ph Ph Ph 261947 dppb 7688-25-7 426.47 X X X X X • Lactonization of unsaturated

Chemfile vol.6 no 8

addition of Grignard reagents to unsaturated carbonyl compounds.47 Prior to this group’s research, only meager selectivities had been observed in the conjugate addition of Grignard reagents, which stands

Chemfile vol.6 no 5

dimethylsilanol reagent, (N-Boc-2-pyrrolyl)- dimethylsilanol, which has been successfully employed in Pd-catalyzed cross-coupling reactions. Dimethylsilanols have recently emerged as attractive reagents for facile

Acta Volume 49 Number 3

Scheme 4, Parts (a) and (b)). In 2014, Li’s group showed that the direct addition of alkyl Grignard reagents to perfluoroarenes was also possible (Scheme 4, Part (c)).25 More recently, Wu’s team developed