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High Resolution Image Download MS PowerPoint Slide A catalyst of a new type, cyclobutadiene complex [(C 4 Et 4 )Rh( p -xylene)]PF 6, was found to promote selective reductive amination in the presence of carbon monoxide under mild conditions (1–3 bar, 90 °C). The reaction demonstrated perfect compatibility with a wide range of functional groups prone to reduction by conventional reducing agents. The developed system represents the first systematic investigation of cyclobutadiene metal complexes as catalysts.
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Afanasyev et al. (2016) studied this question.
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