Preconversion catalytic deoxygenation of phenolic functional groups. Quarterly technical progress report, April 1, 1995--June 30, 1995
The complex, [Rh(triphos)CO] [PF{sub 6}] [triphos = bis(2-diphenylphosphinoethyl)phenyl phosphine], 4, has been reacted with a series of aryloxides, ROH [R = C{sub 6}H{sub 5}, C{sub 6}H{sub 4}-p-CH{sub 3}, C{sub 6}H{sub 4}-p-OCH{sub 3}]. The resulting aryloxycarbonyl complexes are observable by FTIR spectroscopy. These rhodium aryloxycarbonyl complexes decay to form Rh(triphos)OR, 1-3, or [Rh(triphos)CO]PF{sub 6}, 4, through the fac- and mer-isomers of Rh(triphos)(CO)OR. These reactions were followed by FT-IR, {sup 31}P({sup 1}H)VT-NMR, under reaction conditions where carbon monoxide both could and could not escape. The conditions under which the carbon monoxide could not escape enabled the observation of [Rh(triphos)(CO){sub 2}] 5, by {sup 31}P ({sup 1H}) NMR and FT-IR.
- Research Organization:
- Purdue Research Foundation, Lafayette, IN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG22-93PC93208
- OSTI ID:
- 172091
- Report Number(s):
- DOE/PC/93208--T7; ON: DE96004241
- Country of Publication:
- United States
- Language:
- English
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