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Serving hundreds of leading biopharmaceutical companies globally:

Boehringer Ingelheim
Fish and Richardson
Daiichi Sankyo
US Army

Generated: June 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,293,496

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Title: 6(R)-[2-(8-Hydroxy-2,6-dimethylpolyhydronaphthyl-1)-e thyl]-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-ones
Abstract:The title compounds are prepared by saponifying the corresponding 8-acyloxy compounds, with strong base at elevated temperatures to remove the hindered acyl group without disrupting the rest of the molecule. The products are useful as intermediates in the synthesis of antihypercholesterolemia agents.
Inventor(s): Willard; Alvin K. (Lansdale, PA)
Assignee: Merck & Co., Inc. (Rahway, NJ)
Filing Date:Aug 05, 1980
Application Number:06/175,232
Claims:1. A compound of the formula ##STR38## in which the dotted lines X, Y and Z represent possible double bonds, said double bonds, when any are present, being either X and Z in combination or one of X, Y or Z alone.

2. A compound of claim 1 in which X and Z represent double bonds.

3. A compound of claim 1 in which X is a double bond.

4. A compound of claim 1 in which Y is a double bond.

5. A compound of claim 1 in which Z is a double bond.

6. A compound of claim 1 in which none of X, Y or Z is a double bond.

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Serving hundreds of leading biopharmaceutical companies globally:

US Army
US Department of Justice
Harvard Business School
Boehringer Ingelheim

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