Heteroarylacetamido cephalosporin

Details Heteroarylacetamido cephalosporin Heteroarylacetamido cephalosporin

1975-03-24

1977-05-17

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50120

Patent

active

040242498

ABSTRACT:
Novel aminomethyl compounds of the formula ##STR1## wherein X denotes sulphur or oxygen, R denotes hydrogen or an amino protective group, R.sub.1 denotes hydrogen, a free, etherified or esterified hydroxyl group or mercapto group or a substituted ammonium group, R.sub.2 denotes hydroxyl or a carboxyl protective radical which together with the carbonyl grouping of the formula -C(=0)- forms a protected carboxyl group, and their salts, are antibacterial antibiotics or intermediates for the preparation thereof; pharmaceutical preparations containing such active compounds, are useful for combating micro-organisms such as gram-positive or gram-negative bacteria; An illustrative example is 3-acetoxymethyl-7.beta.-[2-(5-aminomethyl-2-thienyl)-acetylamino]-ceph- 3-em-4-carboxylic acid.

REFERENCES:
patent: 3382241 (1968-05-01), Flynn
patent: 3488730 (1970-01-01), Stephens

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