Examples of 'tertiary phosphine' in a sentence
Meaning of "tertiary phosphine"
tertiary phosphine: this phrase is a chemical term referring to a type of phosphine compound where the phosphorus atom is bonded to three other carbon atoms
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- any compound of general formula PR₃ (where R is not H)
How to use "tertiary phosphine" in a sentence
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tertiary phosphine
The method requires a base and a tertiary phosphine.
Tertiary phosphine oxides and sulfides are complexing agents of high stability.
These nickel complexes are used as a mixture with a functionalized tertiary phosphine.
Tertiary phosphine oxide.
Tributyl phosphine and trioctyl phosphine are the preferred tertiary phosphine catalysts.
Examples of tertiary phosphine compounds which may be used are set forth hereinabove.
The invention relates to processes for the synthesis of tertiary phosphine oxides and sulfides.
The tertiary phosphine to be used as a reduction agent may be attached to a solid support.
A preferred rhodium complex precursor comprises rhodium carbonyl monosulfonated tertiary phosphine metal salt acetylacetonate.
Tertiary phosphine oxides and sulfides can be reduced with chlorosilanes and other reagents.
The palladium compound and the tertiary phosphine may be prepared in a complex form in advance.
Tertiary phosphine oxides and sulfides are amongst the most stable of the organic phosphorus derivatives.
A quaternary phosphonium or tertiary phosphine biocide ; and.
Preferably the tertiary phosphine is triphenyl phosphine and / or tritoluoyl phosphine.
In addition, that patent discloses and claims processes for producing a substantially odor-free tertiary phosphine.
See also
Examples of tertiary phosphine ligands are,.
Other so-called nonionic detergent compounds include long-chain tertiary amine oxides and tertiary phosphine oxides.
It is also susceptible to substitution by tertiary phosphine ligands, often leading to disproportionation.
Tertiary phosphine ligands are generally of two types, monodentate and bidentate ligands.
In one embodiment, the reducing tertiary phosphine is attached to a solid support.
The tertiary phosphine may alternatively be a bidentate ligand, i.e., a tertiary di-phosphine.
In one particular embodiment, the reducing tertiary phosphine contains 1 phosphine function.
Long chain tertiary phosphine oxides corresponding to the following general formula,.
The method as claimed in claim 7, wherein the tertiary phosphine sulfide is triisobutylphosphine sulfide.
A suitable tertiary phosphine includes for example tri-n-butylphosphine or triphenylphosphine ( as shown ).
The nature of the phosphorus-tellurium bond in tertiary phosphine tellurides is not well understood.
Examples of the tertiary phosphine to be used herein include triphenylphosphine and tri-n-butylphosphine.
Tertiary amine oxides, ii tertiary phosphine oxides ; and.
A suitable tertiary phosphine includes for example tri-n-butylphosphine or suitably tri-phenylphosphine.
Furthermore, it is contemplated that the reducing tertiary phosphine may additionally contain other functional groups.
A suitable tertiary phosphine includes for example tri-n-butylphosphine or particularly tri-phenylphosphine.
Use according to claim 11, wherein the tertiary phosphine is attached to a solid support.
As the tertiary phosphine used in step ( b ), those represented by the following formula ( 2 ) are preferable.
Ferrocenyl-biphosphine ligands are bidentate tertiary phosphine ligands commonly used in palladium-catalyzed reactions.
Preferably the tertiary phosphine is triphenyl phosphine and / or tritoluyl phosphine.
The bonding is similar to that in tertiary phosphine oxides, R3P=O.
Suitable ligands are tertiary phosphine ligands, N-heterocyclic carbene ligands or phosphinic acid ligands.
NiCl 2 .2 pyridine mixed with at least one equivalent of functionalized tertiary phosphine or functionalized phosphite ;.
In another embodiment, the tertiary phosphine oxide contains 2 phosphine oxide functions.
The compound ( V ) is reacted with a tertiary phosphine in a solvent.
The nitration of some tertiary phosphine oxides ArP ( O ) R2 in aqueous sulfuric acid has been investigated.
A process according to claim 1, wherein a tertiary phosphine oxide of formula ( I ) wherein.
In one embodiment, the tertiary phosphine oxide contains 1 phosphine oxide function.
And T2 are each independently of the other a tertiary phosphine or T1 and T2 together form a ditertiary diphosphine ;.
For example, cyclic chiral tertiary phosphine oxides can be reduced to cyclic tertiary phosphines.
HMPA is the oxide of the highly basic tertiary phosphine hexamethylphosphorous triamide ( HMPT ), P ( NMe2 ) 3.
In the reaction, the reducing tertiary phosphine is oxidized to the corresponding tertiary phosphine oxide.
Process for the synthesis of tertiary phosphine oxides, and new tertiary phosphine oxides.
Table 1 Example Tertiary phosphine or carbene complex.
Bidentate tertiary phosphine ligands,.
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Examples of using Phosphine
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Phosphine is the most commonly used alternative
This may be especially a phosphine such as a triarylphosphine
Phosphine is mainly consumed as an intermediate in organophosphorus chemistry
