Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Recombinant or stably-transformed bacterium encoding one or...
Patent
1975-11-07
1977-05-31
Helfin, Bernard
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Recombinant or stably-transformed bacterium encoding one or...
260591, 260517, A01N 924, C07C 4980
Patent
active
040270408
ABSTRACT:
Novel benzophenone derivatives of the formula ##STR1## wherein X and X.sub.1 are individually selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 5 carbon atoms, alkylthio of 1 to 5 carbon atoms, CF.sub.3 O--, CF.sub.3 S-- and CF.sub.3 --, R is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms and R.sub.1 is an aliphatic hydrocarbon of the formula
REFERENCES:
patent: 2671016 (1954-03-01), Erickson et al.
patent: 2802032 (1957-08-01), Prill
patent: 3898275 (1975-08-01), Houlihan
patent: 3924002 (1975-12-01), Duennenberger et al.
patent: 3931302 (1976-01-01), Allais et al.
Deraedt Roger
Marchandeau Christian
Meier Jean
Helfin Bernard
Reamer James H.
Roussel-Uclaf
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