Novel phosphinite capped cyclodextrin-rhodium catalysts in substrate selective hydroformylation

Chemistry Letters

Volumn , Issue 1, 1999, Pages 13-14

  Deshpande, Raj M ^a,b   Fukuoka, Atsushi ^a   Ichikawa, Masaru ^a  

^a HOKKAIDO UNIVERSITY   (Japan)

^b NATIONAL CHEMICAL LABORATORY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0033238884     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1999.13     Document Type: Article

References (21)

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14. 4 unit from the M peak. The observation of these two peaks indicates that the compound is a monophosphinite of β-CD, since the formation of these fragments is impossible otherwise. The TOF-MS in DMF shows a similar m/z pattern as in water but a peak is observed at m/z of 1333.4. This could arise from interactions of β-CD-P with DMF. The appearance of a peak at such a high mass is possible only if the monophosphinite is formed.
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16. Although no hydrogenation of olefin took place, isomerization was observed in case of 1-decene and Phb; ca. 30% at conversions over 80%.
17. 2 as a possible catalytic intermediate. Characterization of the Rh complexes is in progress.
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19. No hydrogenation products were formed in this reaction, but isomerization products were formed to the extent of 25%. However, this does not change the substrate selectivity or TOF since they are defined on the hydroformylation products formed.
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