Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Fungus – except allergen – or component thereof or substance...
Patent
1979-07-25
1981-04-28
Lee, Mary C.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Fungus, except allergen, or component thereof or substance...
260239A, 2602452T, 542416, 544 90, C07D48704, A01K 3140
Patent
active
042646219
ABSTRACT:
Antibiotic 5-substituted-3-(2-aminoethylthio)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3 .2.0]hept-2-ene-2-carboxylic acids (I) are disclosed: ##STR1## wherein R is alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl or heteroaryl.
REFERENCES:
patent: 3950357 (1976-04-01), Kahan et al.
patent: 4153714 (1979-05-01), Ponsford
Johnston et al., Heterocycles, vol. 9, No. 6, p. 791, (1978).
Christensen Burton G.
Johnston David B. R.
Schmitt Susan M.
Arno James A.
Lee Mary C.
Levitt Julian S.
Mahon Frank M.
Merck & Co. , Inc.
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