Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1985-04-25
1987-02-24
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C07C 69767
Patent
active
046458549
ABSTRACT:
A stereoselective process for the preparation of antihypercholesterolemic agents of the HMG-CoA reductase inhibitor type comprises treatment of an intermediate .beta.-hydroxyketone with a trialkylborane and sodium borohydride at low temperatures.
REFERENCES:
patent: 4255444 (1980-09-01), Schmitt et al.
patent: 4375475 (1983-03-01), Willard
Hsu et al, "J. Amer. Chem. Soc.", vol. 105, pp. 593-601 (1983).
Narasaka et al, "Chemistry Letters" (1980), 1415-1418.
McNamara James M.
Sletzinger Meyer
Verhoeven Thomas R.
DiPrima Joseph F.
Lone Werren B.
Merck & Co. , Inc.
Sudol Michael C.
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