55927-91-8 Usage
Chemical composition
The compound consists of a platinum atom coordinated to two tricyclohexylphosphine ligands and an allyl group, with a hexafluorophosphate counterion.
Use as a catalyst
It is widely used as a catalyst for various organic transformations, including hydrogenation, isomerization, and cyclization reactions.
Steric protection
The tricyclohexylphosphine ligands provide steric protection around the platinum center, controlling the reactivity and selectivity of the catalyst.
Allyl group transformations
The allyl group can undergo various transformations, such as addition reactions with nucleophiles or oxidative coupling reactions.
Hexafluorophosphate counterion
The hexafluorophosphate counterion serves as a balancing anion to the positively charged platinum center.
Value in organic synthesis
The compound is valuable in organic synthesis as a versatile and efficient catalyst for a range of chemical transformations.
Check Digit Verification of cas no
The CAS Registry Mumber 55927-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,2 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55927-91:
(7*5)+(6*5)+(5*9)+(4*2)+(3*7)+(2*9)+(1*1)=158
158 % 10 = 8
So 55927-91-8 is a valid CAS Registry Number.
55927-91-8Relevant articles and documents
A 31P Nuclear Magnetic Resonance Investigation of the Structure, Equilibria, and Kinetics of in Solution
Mann, Brian E.,Musco, Alfredo
, p. 776 - 785 (2007/10/02)
The compounds (L = PMe3, PMe2Ph, PMePh2, PEt3 or PBun3), n3, P(p-tolyl)3, P(CH2Ph)3, PPri3, or P(C6H11)3>, and i3, P(C6H11)3, or PBut2Ph> have been prepared and shown to exist in solution.In the cases of L = PMePh2, PEt3, PBun3, n = 3 and L = PPri3, P(C6H11)3, n = 2 it has proved possible to measure the equilibrium constant, ΔH, and ΔS for n+1>n> + L.For , , , , n3)4>, i3)3> and 3>, the tertiary phosphine exchange is dissociative, while for 13)2> and 2> associative exchange occurs.In the case of and n3)3> both associative and dissociative exchange occur, the relative rates of which depend on the temperature and concentration of free tertiary phosphine.In the cases of i3)2> and2> a marked solvent effect has been found and attributed to possible toluene co-ordination producing in equlibrium with .No evidence is found for steric crowding affecting ΔH or ΔH++, but ΔS and ΔS++ are affected due to interpenetration of the ligands and resulting loss of motional freedom, while previously it has been assumed that interligand steric crowding destabilizes the molecule via enthalpy term.
