References
- Izumi , Y. and Urabe , Zeolites K. 1992 . Clay and Heteropoliacid in Organic Reactions Kodansha , Tokio and VCH : Weinheim .
- Clak , J. H. , Kybett , A. P. and Macquarell , D. J. 1992 . Supported Reagents , Weinheim : VHC .
- Costantino , U. , Marmottini , F. , Curini , M. and Rosati , O. 1993 . Catal. Lett. , 22 : 333
- Costantino , U. , Curini , M. , Marmottini , F. , Rosati , O. and Pisani , E. 1994 . Chem. Lett. , : 2215
- Curini , M. , Epifano , F. , Marcotullio , M. C. , Rosati , O. and Rossi , M. Synlett , in press
- Greene , T. W. and Wuts , P. G.M. 1991 . Protective Groups in Organic Synthesis , New York : John Wiley and Sons, Inc. .
- Kendall , P. M. , Johnson , S. V. and Cook , C. E. 1979 . J. Org. Chem. , 44 : 1421
- Sinhababu , A. K. , Kawase , M. and Borchartd , R. T. 1988 . Synthesis , : 710
- Sinhababu , A. K. , Kawase , M. and Borchartd , R. T. 1987 . Tetrahedron Lett. , 28 : 4139
- Schmittling , E. A. and Sawya , J. S. 1991 . Tetrahedron Lett. , 32 : 7207
- Vanna , R. S. and Lamture , J. B. 1993 . Tetrahedron Lett. , 34 : 3029
- Wilson , N. S. and Keay , B. A. 1996 . Tetrahedron Lett. , 37 : 153
- Wilson , N. S. and Keay , B. A. 1997 . Tetrahedron Lett. , 38 : 187
- Famas , J. , Serra , C. and Vilarrosa , J. 1998 . Tetrahedron Lett. , 39 : 327
- The catalyst, washed with CH2Cl2 and dried at 180°C for one days may be used for several experiments without decrease of yield
- For the preparation and charateristic of the catalyst see ref. 3 and 4
- For the preparation of silyl derivatives see ref. 6