Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-05-07
1977-01-25
Love, Ethel G.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D31708
Patent
active
040051064
ABSTRACT:
Racemic or optically-active prostaglandin E.sub.1 is synthesized from racemic or optically-active precursors in good yield at the various steps from 3.alpha.,6,7,7.alpha.-tetrahydro-4-methyl-2-oxo-1.beta.-indaneheptanoic acid methyl ester proceeding through 2.alpha.-(2-carboxyethyl)-3.beta.-hydroxy-5-oxo-1.beta.-cyclopentaneheptan oic acid methyl ester, .delta.-lactone, 5-cyclic ethylene acetal, 2.alpha.-(2-carboxy-2-formylethyl)-3.beta.-hydroxy-5-oxo-1.beta.-cyclopent aneheptanoic acid methyl ester, .delta.-lactone, 5-cyclic ethylene acetal, 2.alpha.-(2-carboxy-2-oxoetyl)-3.beta.-hydroxy-5-oxo-1.beta.-cyclopentaneh eptanoic acid methyl ester, .delta.-lactone, 5-cyclic ethylene acetal, and 3.beta.-hydroxy-2.alpha.-(3-oxo-1-octenyl)-5-oxo-1.beta.-cyclopentanehepta noic acid methyl ester, 5-cyclic ethylene acetal.
REFERENCES:
patent: 3890351 (1975-06-01), Taub
patent: 3899525 (1975-08-01), Oda et al.
Taub et al, Chemical Communications, pp. 1258-1259, 1970.
Slates Harry L.
Taub David
Wendler Norman L.
Zelawski Zbigniew S.
Anderson, Jr. Rudolph J.
Arther Thomas E.
Love Ethel G.
Merck & Co. , Inc.
Westlake, Jr. Harry E.
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