Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-09-20
1993-07-06
Raymond, Richard L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
5142318, 5142355, 5142398, 5142375, 514252, 514255, 514316, 514318, 514326, 514330, 514616, 544 85, 544121, 544130, 544158, 544365, 544391, 546189, 546226, 564154, 548209, A01N 3718, C07C23309, C07C23358
Patent
active
052249808
ABSTRACT:
A compound of the formula ##STR1## in which R.sup.1 and R.sup.2 taken together, and R.sup.3 and R.sup.4 taken together, independently represent a polymethylene chain having 3 or 4 carbon atoms, or a polymethylene chain having 3 or 4 carbon atoms substituted by at least one lower alkyl radical having from 1 to 4 carbon atoms, and R.sup.5 to R.sup.8 are independently hydrogen, hydrocarbyl or substituted hydrocarbyl. Typically R.sup.1 and R.sup.2 and also R.sup.3 and R.sup.4 complete a trimethylene ring, R.sup.5 and R.sup.7 are each hydrogen and R.sup.6 and R.sup.8 are alkyl such as methyl. The compounds have microbiological activity.
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Austin Peter W.
Tyreman Neville
Imperial Chemical Industries plc
Raymond Richard L.
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