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- W4255849809 abstract "This paper summarizes catalysts which have been screened for the newly discovered process termed ammoximation (the conversion of a ketone to an oxime by treatment with ammonia and oxygen). Because we are dealing with an entirely new process, we have had to survey a wide variety of potential catalysts. Primarily, we have dealt with large families of traditional catalysts such as metallic, nonmetallic, and amphoteric oxides, carbon, phosphates, heteropoly anions, and clays. Two significant pieces of information have been generated by this screening operation. It is readily apparent that a wide variety of “surfaces” catalyze this reaction, yet the reaction does not proceed in the gas phase, over quartz chips, or over activated carbon. Further, substantial differences in selectivity are apparent for different types of surfaces. The best catalysts, to date, are based on xerogels derived from silica-alumina with a selectivity of 68 ± 3% to cyclohexanone oxime." @default.
- W4255849809 created "2022-05-12" @default.
- W4255849809 date "2012-11-01" @default.
- W4255849809 modified "2023-09-25" @default.
- W4255849809 title "Oligomerisation via halogenation" @default.
- W4255849809 doi "https://doi.org/10.1016/s1351-4180(12)70461-0" @default.
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