phosphine in English
The two main alternatives for methyl bromide in pesticides are ‘integrated commodity management’ and fumigation, which uses phosphine and carbon dioxide to kill the pests.
Use "phosphine" in a sentence
1. Upon formation of the mixed phosphine NHC/phosphine gold species, elevated temperatures induced the cyclization to give stable Aurated
2. Polymeric compound to which tris(2-carboxyethyl) phosphine is bonded
3. In this system, a phosphine is a σ3λ3 compound.
4. The Borane group stabilizes the phosphine against oxidation and can be easily removed with mild basic or acidic conditions to yield the active phosphine
5. The catalytic systems containing the surface-active phosphine show a clear matching relation between the length of olefin chain and hydrophobic chain of the surface-active phosphine.
6. There are plenty of ways that phosphine can be made Abiologically
7. Docetaxel was prepared with a new type and high efficient catalyst, tributyl phosphine.
8. It is introduced that analyzing phosphine by GC method is a good method.
9. The latter compounds give on alkaline hydrolysis the corresponding anilino-diethylamino-dialkylamino-phosphine oxides.
10. There are also traces of carbon, ethane, hydrogen sulfide, neon, oxygen, phosphine, and sulfur.
11. However , shaking cultivation could promote the anaerobic phosphorus removal because of its helping phosphine release.
12. For most of tertiary phosphine ligands, the coupling yields of bromobenzene can reach to about 90%.
13. An acidimetric titration is used to determine phosphine by its reaction with mercury(II) chloride in aqueous medium.
14. Application of this addition–elimination reaction to functionalized phosphine-oxides leads to the synthesis of γ-diphosphorylated compounds.
15. Bromopyridine substituted polystyrene resin and N-diphenyl phosphine pyrldi-ne substituted resin can be prepared by using chloromethylated polystyrene -dlv-inylbenzene.
16. The novel supported bidentate phosphine palladium catalyst can be easily recovered by simple filtration and can be reused many times without loss of activity.
17. The synthesis of Aurated phosphindolium complexes from easy accessible 1,5-alkynylphosphine derivatives has been studied by using gold(I) complexes featuring carbene and phosphine ligands as initiators
18. Remarkably, both electron‐neutral and electron‐rich Aryl fluorides participated in the reaction with substantially stabilized anionic P nucleophiles to form the corresponding tertiary phosphine oxides.
19. Especially, the ionic iridium complex of the phosphine oxazoline ligand obtains excellent reactional activity and enantioselectivity in the asymmetric hydrogenation of imine and olefin.
20. The synthesis of Aurated phosphindolium complexes from easy accessible 1,5-alkynylphosphine derivatives has been studied by using gold(I) complexes featuring carbene and phosphine ligands as initiators
21. Phosphine(PHis an important electronic specific gas which is mainly used in fields of N-type semiconductor doping, ion implement and chemical vapor deposition(CVD) etc.
22. The phosphine and arsine absorb the ultraviolet light much more strongly than does silane, causing them to be deposited out on the walls of the container.
23. The Azides 1 and 2 both lack an α-substituent and their reactivity appeared to be less dependent on phosphine identity compared to other Azides (Supporting Fig
24. Phosphine (PH is a kind of extremely toxic, highly active, reductive gas, produced by the reduction of P biogeochemistry cycle, and has been proved to be trace gas existing stably in the atmosphere.
25. Recently, we discovered that a particular bidentate phosphine ligand (HeMaRaPhos) L1 allowed the palladium‐catalyzed dicarbonylation of 1,3‐butadiene towards dialkyl Adipates in ≥95 % yield and ≥97 % selectivity (Scheme 1 d)
26. Synthese dreizähniger Phosphanliganden RP[(CH2)n]2 (Y = OR′ oder CO2R′, n = 1 oder 2) sowie einiger zweizähniger Chiraler Phosphane R2PCH(CH3)CO2Me / Synthesis of Tridentate Phosphine
27. The acidity‐enhancing effect of BH 3 in gas‐phase phosphine⋅Boranes compared to the corresponding free phosphines is enormous, between 13 and 18 orders of magnitude in terms of ionization constants
28. Preferably, the composition comprises a metal complex, especially an Rh complex having a phosphine or phosphite ligand, on an inert porous carrier, and is loaded for the purposes of the hydroformylation with the aldol by-product of the desired aldehyde, in the manner of an application of the "Supported Liquid Phase" (SLP) concept.
29. The invention relates to a carbonylation process for the preparation of an alkanoic acid ester comprising reacting: (a) an alkene; (b) a source of Pd; (c) a bidentate phosphine ligand of formula I; R1R2P - R3 - R - R4 - PR5R6 (I) wherein P represents a phosphorus atom; R1, R2, R5 and R6 can independently represent the same or different optionally substituted organic groups containing a tertiary carbon atom through which the group is linked to the phosphorus atom; R3 and R4 independently represent optionally substituted lower alkylene groups and R represents an optionally substituted aromatic group; (d) a source of anions derived from an acid with a pKa