Heterogeneous Catalysis in Carbonyl Regeneration from Oximes, Semicarbazones, and Tosylhydrazones by Zirconium Sulfophenyl Phosphonate

Synlett

Volumn 1996, Issue 4, 1996, Pages 333-334

  Curini, Massimo ^a   Rosati, Ornelio ^a   Pisani, Emanuela ^a   Costantino, Umberto ^a  

^a UNIVERSITY OF PERUGIA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001500003     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1996-5409     Document Type: Article

References (16)

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5. Costantino, U.; Marmottini, F.; Curini, M.; Rosati, O. Catalysis Lett. 1993, 22, 333. Costantino, U.; Curini, M.; Marmottini, F.; Rosati, O.; Pisani, E. Chem. Lett. 1994, 2215.
6. Costantino, U.; Marmottini, F.; Curini, M.; Rosati, O. Catalysis Lett. 1993, 22, 333. Costantino, U.; Curini, M.; Marmottini, F.; Rosati, O.; Pisani, E. Chem. Lett. 1994, 2215.
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8. Clearfield, A. Comments Inorg. Chem., 1990, 10, 89. Alberti, G.; Costantino, U. Inclusion Compounds, vol. 5, J.L. Atwood, J.E.D. Davies and D.D. MacNicol, eds.; Oxford University Press: Oxford, 1991, pp. 136-176.
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11. 0.8.
12. Montoneri, E; Gallazzi, M.G. J. Chem Dalton Trans. 1989, 1819.
13. General Procedure: To a stirred solution of carbonyl derivative (5 mmol) in acetone-water 10:1 (12 mL) at reflux was added in small portions zirconium sulfophenyl phosphonate (2.5 mmol) with progress of the reaction monitored by TLC. Stirring was continued for the appropriate time (see table). The reaction mixture was then filtered and the solution evaporated to small volume. The residue was diluted with water (20 mL) and extracted with hexane (3 × 10 mL). The organic phase was washed with water, dried over anhydrous sodium sulphate and concentrated under vacuum. The residue contains carbonyl compound at least 95% pure.
14. Vogel, A.I. Vogel's Texbook of Practical Organic Chemistry 5th Ed., Longmann Scientific & Technical: Harlow U.K., 1989, pp 477, and 1258-1259.
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