Title: Phenylethanolamine therapeutic agents

Abstract: Compounds of the general formula: ##STR1## and non-toxic physiologically acceptable salts thereof, in which R.sub.1 is a halogen atom or a group NR.sub.2 R.sub.3 ; R.sub.2 and R.sub.3, which may be the same or different, are hydrogen or (C.sub.1 -C.sub.6) straight or branched chain alkyl or R.sub.2 and R.sub.3 may, together with the nitrogen atom, form a 5 or 6 membered heterocyclic ring which may contain a further hetero atom selected from O, N or S; or R.sub.2 may be hydrogen and R.sub.3 may by group R.sub.4 CO or R.sub.4 SO.sub.2 where R.sub.4 is hydrogen or alkyl (C.sub.1-4); R.sub.5 is hydrogen or one or more halogen atoms or hydroxy or alkoxy (C.sub.1-4) groups; and X is CH.sub.2, O or a group NR.sub.6 where R.sub.6 is hydrogen or alkyl (C.sub.1-4). These compounds block .beta.-adrenoreceptors.

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Other info:

Inventors: Oxford, Alexander W. (Royston, GB)
Coates, Ian H. (Sandy, GB)

Application Number: 873765
Filing Date: 1978-01-31
Publication_date: 1979-02-20
Assignee: Allen & Hanburys Limited (London, GB2)
Primary Class(es): 564/86 564/88
Other Classes:
US Patent Ref:

3860647	Jan, 1975	Colella et al.	260/556.
4034112	Jul, 1977	Smith	260/556.

Other Refs:
Primary Examiner: Curtis, Allen B.
Assistant Examiner:
Attorney: Bacon & Thomas