207725-37-9

Basic information

• Product Name: [η(5)-1-(diphenylphosphino)-2,4-diphenylcyclopentadienyl]tricarbonylmolybdenum(C*CPh)
• Synonyms: [η(5)-1-(diphenylphosphino)-2,4-diphenylcyclopentadienyl]tricarbonylmolybdenum(C*CPh)
• CAS NO: 207725-37-9
• Molecular Weight: 682.566
• Mol File: 207725-37-9.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: [η(5)-1-(diphenylphosphino)-2,4-diphenylcyclopentadienyl]tricarbonylmolybdenum(C*CPh)(CAS DataBase Reference)
• NIST Chemistry Reference: [η(5)-1-(diphenylphosphino)-2,4-diphenylcyclopentadienyl]tricarbonylmolybdenum(C*CPh)(207725-37-9)
• EPA Substance Registry System: [η(5)-1-(diphenylphosphino)-2,4-diphenylcyclopentadienyl]tricarbonylmolybdenum(C*CPh)(207725-37-9)

Safety Data

• Hazardous Substances Data: 207725-37-9(Hazardous Substances Data)

Upstream product

• 184951-23-3 [η(5)-1-(diphenylphosphino)-2,4-diphenylcyclopentadienyl]tricarbonylmolybdenum iodide 
• 3757-88-8 tributylstannylethynylbenzene 

Relevant articles and documents

Full picture of the catalytic cycle underlying palladium-catalyzed metal-carbon bond formation

A catalytic cycle of reaction between [η 5-1-(diphenylphosphino)-2,4-diphenylcyclopentadienyl]tricarbonylmetal iodides, [η5-1-Ph2P-2,4-Ph2C5H 2]M(CO)3I (1a, M = Mo; 1b, M = W), with zerovalent palladium and tributyltin acetylides affords the final acetylide products [η5-1-Ph2P-2,4-Ph2C5H 2]M(CO)3C=CPh (5a, M = Mo; 56, M = W). This communication describes the main processes and intermediates involved in this palladium-catalyzed metal-carbon bond formation.

Synthesis and characterization of trimetallic complexes containing M-Pd-M arrays (M = Mo, W) and their relevance in palladium-catalyzed metal-carbon bond formation

The heterobimetallic complexes [MPd(PPh3)(C≡C-Ph)(CO)3(η5-C5 -C5H2Ph2(PPh2)] (5a, M = Mo; 5b, M = W) convert under chromatography to diastereomeric mixtures of the new trimetallic clusters [Pd{M(CO)3(η5-C5H2Ph2 (PPh2)}2] (M = Mo, 9a; W, 9b), which contain a linear M-Pd-M array clamped between two (diphenyl)cyclopentadienyl-diphenylphosphino ligands. Diastereomeric pure forms of both trimetallic clusters 9a,b were obtained by fractional crystallization procedures, and the molecular structures of rac-9a and rac-9b were determined by single-crystal X-ray diffraction analyses. The trimetallic complexes 9a,b have been found to be intermediates in coupling reactions between M-I moieties and Bu3Sn-C≡C-Ph, to form metallacetylides M-C≡C-Ph. Independent high-yield synthetic routes to 9a,b have been developed.