129619-10-9

Basic information

• Product Name: {(PPh₃)2Rh(CO)(OC₃(t-Bu)2)}(triflate)
• CAS NO: 129619-10-9
• Molecular Weight: 970.831
• Mol File: 129619-10-9.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: {(PPh₃)2Rh(CO)(OC₃(t-Bu)2)}(triflate)(CAS DataBase Reference)
• NIST Chemistry Reference: {(PPh₃)2Rh(CO)(OC₃(t-Bu)2)}(triflate)(129619-10-9)
• EPA Substance Registry System: {(PPh₃)2Rh(CO)(OC₃(t-Bu)2)}(triflate)(129619-10-9)

Safety Data

• Hazardous Substances Data: 129619-10-9(Hazardous Substances Data)

Upstream product

• 116466-22-9 trans-Rh(PPh₃)2(CO)(triflate) 
• 19985-79-6 2,3-bis(tert-butyl)cycloprop-2-en-1-one 

Downstream Products

• 132854-46-7 trans-{(Ph₃P)2Rh(CO)(H₂O)}⁽¹⁺⁾(CF₃SO₃)^(1-) 

Relevant articles and documents

Interaction of rhodium(I) with cyclopropenones: Decarbonylation and formation of 1-rhodacyclopentene-2,5-diones and cationic oxygen σ-bound cyclopropenone complexes. X-ray crystal structure of trans-carbonylbis(triphenylphosphine)(di-tert-butylcyclopropenone)rhodium trifluoromethanesulfonate

Cyclopropenones 5a,b react with chlorotris(triphenylphosphine)rhodium to form trans-chlorocarbonylbis(triphenylphosphine)rhodium and acetylenes 7a,b. Reactions of 5a,b with trans-chlorocarbonylbis(triphenylphosphine)rhodium result in the formation of rhodacyclopentenediones 8a,b through the insertion of both the rhodium and the carbonyl into the three-membered ring. Di-tert-butylcyclopropenone, 5c, in contrast, does not react with chlorotris(triphenylphosphine)rhodium or trans-chlorocarbonylbis(triphenylphosphine)rhodium under similar reaction conditions. All three cyclopropenones 5a-c react with trans-carbonylbis(triphenylphosphine)rhodium trifluoromethanesulfonate (triflate) to give the cationic rhodium complexes 10a-c without ring opening. However, 5a,b yield the insertion products 12a,b when the reactions are done in benzene at ca. 60°C. The X-ray crystal structure of trans-carbonylbis(triphenylphosphine)(di-tert-butylcyclopropenone)rhodium triflate, 10c, is reported.