144473-47-2

Basic information

• Product Name: trans-(η(6)-mesitylene)Cr(CO)2(SnPh3)2
• Synonyms: trans-(η(6)-mesitylene)Cr(CO)2(SnPh3)2
• CAS NO: 144473-47-2
• Molecular Weight: 928.265
• Mol File: 144473-47-2.mol
• Article Data: 4

Chemical Properties

• CAS DataBase Reference: trans-(η(6)-mesitylene)Cr(CO)2(SnPh3)2(CAS DataBase Reference)
• NIST Chemistry Reference: trans-(η(6)-mesitylene)Cr(CO)2(SnPh3)2(144473-47-2)
• EPA Substance Registry System: trans-(η(6)-mesitylene)Cr(CO)2(SnPh3)2(144473-47-2)

Safety Data

• Hazardous Substances Data: 144473-47-2(Hazardous Substances Data)

Upstream product

• 144473-41-6 {((CH₃)3C₆H₃)(CO)2CrSn(C₆H₅)3}^(1-)*K⁽¹⁺⁾ = K{((CH₃)3C₆H₃)(CO)2CrSn(C₆H₅)3} 
• 3724-43-4 Vilsmeier reagent 
• 66633-01-0 3,3-dichloro-1,2-di(t-butyl)cyclopropene 
• 52542-58-2 2-chloro-1-methylpyridin-1-ium tetrafluoroborate 
• 59611-74-4 N-(chloromethylene)-piperidinium chloride 
• 2570-00-5 3,3-dichloro-1,2-diphenylcyclopropene 
• 12129-67-8 (mesitylene)tricarbonylchromium 
• 892-20-6 triphenylstannane 
• 108-67-8 1,3,5-trimethyl-benzene 
• 639-58-7 triphenyltin chloride 
• 131104-17-1 (π-1,3,5-Me3C6H3)(CO)2-chromium-hydrido-triphenylstannyl complex 
• 201230-82-2 carbon monoxide 

Relevant articles and documents

Photochemical synthesis of new (η6-arene)Cr-hydrido stannyl and (η6-arene)Cr-bis-stannyl complexes. Ligand effects on the Sn-H interaction in the hydrido stannyl compounds

Hydrido stannyl compounds containing the η2-H-SnPh3 ligand and bis-stannyl compounds containing two SnPh3 ligands have been obtained from the photolysis of (η6-arene)Cr(CO)3 and HSnPh3. New complexes with different arenes (mesitylene, trifluorotoluene and 1,4-dimethoxybenzene) have been obtained and characterized by X-ray diffraction: (η6-C6H4(OCH3) 2)Cr(CO)2(HSnPh3) (3a), (η6-C6H4(OCH3) 2)Cr(CO)2(SnPh3)2 (3b). Structural data for 3a: monoclinic; space group P21/c (No. 14); a=17.445(3), b=9.820(3) and c=16.302(5) A; Z=4; V=2539.2(12) A3; 3b: monoclinic; space group P21/n (No. 14); a=13.904(3), b=20.567(5) and c=13.911(3) A; Z=4; V=3994(2) A3. 1H-NMR as well as X-ray provided evidence for the existence of three-center two-electron bonds in the hydrido stannyl complexes. The effects of different ligands on bonding and spectroscopic parameters were studied. Arene exchange reactions of the bis-stannyl complexes, as well as reactions of some of these compounds with P(C2H5)3 and CO, were also investigated.

Transition Metal Stannyl Complexes, 7. - Preparation of Carbene Complexes (?-Arene)(CO)2CrCR2 by the Reaction of the Anionic Stannyl Complexes - with R2CX2 or Y

Carbene complexes (?-arene)(CO)2Cr=CR2 are formed in substitution/elimination reactions from the anionic stannyl complexes K and organic dihalides R2CX2 containing activated C-X bonds or ionic halides Y.Bis(stannyl)complexes (?-arene)(CO)2Cr(SnPh3)2 (3) and hydrido(stannyl)complexes (?-arene)(CO)2Cr(H)SnPh3 are formed as byproducts due to the reaction of the eliminated Ph3SnCl with the anionic starting complexes or electron transfer reactions, respectively.The portion and ration of the byproducts is largely influenced by the steric properties of both the (?-arene)(CO)2Cr fragment and the organic halide.Pyridinylidene complexes 2 are only obtained from 2-chloro-N-methylpyridinium tetrafluoroborate with 1a-c, but not with 1d.With the sterically less demanding halides Cl (n=3,4)> or 3,3-dichloro-1,2-diphenylcyclopropene the carbene complexes (?-arene)(CO)2Cr=C(H)NR2 or are obtained with all employed ?-arene ligands. Key Words: Carbene Complexes / Stannyl complexes / Chromium complexes / Anionic complexes