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US 4,378,315 AGranted
Process for the preparation of thienamycin and intermediates
AssigneeMerck & Co., Inc.
InventorsBurton G. Christensen, Ronald W. Ratcliffe, Thomas N. Salzmann
Life of this patent
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Abstract
Disclosed is a process for the total synthesis of thienamycin from L-aspartic acid via intermediate III: ##STR1## R=H, blocking group or salt cation.
Claims2
The compound:
- ##STR31## wherein R is an aralkyl carboxyl protecting group.
The compound:
- ##STR32## wherein R is an aralkyl carboxyl protecting group.
Dependencies are inferred from the claim text.