Pravastatin Diol Lactone Di-(tert-butyldimethylsilyl) Ether → (4R,6R)-6-{2-[(1S,2S,6S,8S,8aR)-1,2,6,7,8,8a-Hexahydro-6-t-butyldimethylsilyloxy-8-(2,2-diethyl-4-pentenoyloxy)-2-methyl-1-naphthyl]ethyl}tetrahydro-4-t-butyldimethylsilyloxy-2H-pyran-2-one

Beteiligte Stoffe

Reaktionsschritte

A procedure similar to that described in Example 6, above, was followed, but using 2.0 g (3.6 mmol) of (4R,6R)-6-{2-[(1S,2S,6S,8S,8aR)-1,2,6,7,8,8a-hexahydro-6-t-butyldimethylsilyloxy-8-hydroxy-2-methyl-1-naphthyl]-ethyl}tetrahydro-4-t-butyldimethylsilyloxy-2H-pyran-2-one [prepared as described in Example B, above] and 3.17 g (18.1 mmol) of 2,2-diethyl-4-pentenoyl chloride, to provide 1.95 g of the title compound.

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