Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1981-05-11
1983-03-29
Berch, Mark L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D20508
Patent
active
043783155
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.
REFERENCES:
patent: 4217453 (1980-08-01), Christensen
patent: 4275207 (1981-06-01), Ratcliffe
Mellillo et al., Chem. Abs., 94, 156666y, (1980).
Christensen Burton G.
Ratcliffe Ronald W.
Salzmann Thomas N.
Arno James A.
Berch Mark L.
Merck & Co. , Inc.
Pfeiffer Hesna J.
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