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Synlett 1996; 1996(3): 239-240
DOI: 10.1055/s-1996-5378
DOI: 10.1055/s-1996-5378
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Mukaiyama Aldol Reaction of a Silyl Enol Ether with Aldehydes Over Solid Sulphated Zirconia with Preferential Syn Selectivity
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Publication History
Publication Date:
31 December 2000 (online)
The cross aldol reaction of 1-trimethyl silyloxy-1-cyclohexene with aldehydes over solid sulphated zirconia afforded regiospecifically the mono-condensed aldol with preferential syn selectivity at ambient temperature, and the corresponding benzylidene ketones at elevated temperatures.
Cross-aldol reaction - Sulphated zirconia - Syn-selectivity - Solid super-acid