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US 3,943,151 AGranted
Prostaglandin intermediates
AssigneePfizer Inc.
InventorsElias J. Corey, Jasjit S. Bindra, Thomas K. Schaaf
Life of this patent
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Abstract
A new synthesis of key prostaglandin precursors and intermediates employed in their preparation. The novel synthetic sequence of this invention is shorter and more efficient than those previously employed to prepare to key intermediate.
Claims3
A compound of the structure:
- ##SPC33##
- wherein X is chlorine, bromine or iodine.
Dependencies are inferred from the claim text.