Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-12-11
1979-10-30
Berch, Mark L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2602391, 2602452, 2602454, C07D20508
Patent
active
041728327
ABSTRACT:
The invention concerns 3-amino-4-(2-hydroxyethylthio)-2-oxo-azetidine compounds of the formula ##STR1## wherein R.sub.1.sup.a represents hydrogen or an amino protective group R.sub.1.sup.A, R.sub.1.sup.b represents hydrogen or an acyl group Ac.sub.1, or R.sub.1.sup.a and R.sub.1.sup.b together denote a bivalent amino protective group, R.sub.2 represents hydrogen or an acyl radical Ac.sub.2, and each of the radicals R.sub.3 and R.sub.4 represents hydrogen or an organic radical bonded via a carbon atom, or salts of such compounds having salt-forming groups.
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Bickel Hans
Heusler Karl
Scartazzini Riccardo
Berch Mark L.
Ciba-Geigy Corporation
Maitner John J.
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