Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1993-08-24
1995-01-03
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C07D41312, A61K 3155
Patent
active
053788400
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
(1) Field of the Invention
The present invention generally relates to compounds having pharmacological activity which are useful as pharmacological agents and, more particularly, as analgesic agents for the treatment of pain, to pharmaceutical compositions containing one or more of these compounds, and to methods of treatment employing these compounds. More particularly, the present invention concerns substituted dibenzoxazepine compounds, pharmaceutical compositions containing one or more of these compounds in combination with a pharmaceutically-acceptable carrier, and methods of treating pain employing these compounds.
Analgesic compounds are agents which alleviate pain without causing a loss of consciousness and, thus, which are useful for treating pain and, often, for reducing inflammation.
The major classes of analgesic compounds include narcotic analgesics, or opiates, compounds which alleviate pain and induce sleep, and analgesic-antipyretic compounds, compounds which alleviate pain and reduce fever, such as salicylates.
Although the efficacy of opiates in relieving pain is well established, the associated addiction liability of opiates is a distinct disadvantage of these compounds.
While salicylate and salicylate-like agents (non-steroidal antiinflammatory agents or NSAIDS) are also efficacious in relieving pain, they often exhibit undesirable side effects, such as gastrointestinal irritation, as with aspirin, allergic response, as with aspirin, and/or liver toxicity with extended use, as with acetaminophen.
The compounds of the present invention are neither opiates nor salicylates, and represent another class of compounds which are useful as analgesic agents.
(2) Description of the Related Art
U.S. Pat. No. 3,534,019 discloses hydrazides of dibenzoxazepine-, dibenzothiazepine- and dibenzodiazepine-carboxylic acids.
U.S. Pat. No. 3,624,104 discloses aralkanoyl derivatives of dibenzoxazepine-N-carboxylic acid hydrazide compounds.
U.S. Pat. No. 3,989,719 discloses N,N'-diacyl hydrazines.
U.S. Pat. Nos. 3,917,649 and 3,992,375 (a divisional of U.S. Pat. No. 3,917,649) disclose dibenzoxazepine N-carboxylic acid hydrazine compounds.
U.S. Pat. Nos. 4,045,442, 4,125,532 (a divisional of U.S. Pat. No. 4,045,442) and 4,170,593 (a divisional of U.S. Pat. No. 4,125,532) disclose 1-(substituted amino)alkanoyl-2-(dibenzoxazepine-10-carbonyl)hydrazine compounds.
U.S. Pat. Nos. 4,559,336 and 4,614,617 (a continuation-in-part of U.S. Pat. No. 4,559,336) disclose 8-chlorodibenz[b,f][1,4]-oxazepine-10(11H)-carboxylic acid, 2-(sulfinyl- and sulfonyl-containing acyl) hydrazides, and intermediates thereof.
U.S. Pat. No. 4,559,337 discloses 8-chlorodibenz-[b,f][1,4]-oxazepine-10(11H)-carboxylic acid, 2-(alkoxy-containing acyl)hydrazide compounds.
GB 1 522 003 discloses 1-acyl-2-(8-chloro-10,11-dihydrodibenz[b,f][1,4]oxazepine-10-carbonyl)hydr azine compounds.
GB 1 331 892 discloses derivatives of dibenzoxazepine N-carboxylic acid hydrazides.
European Patent Application Publication No. 0 193 822 discloses 8-chlorodibenz[b,f][1,4]-oxazepine-10(11H)-carboxylic acid, 2-(thio-, sulfinyl- and sulfonyl-containing acyl)hydrazide compounds.
European Patent Application Publication No. 0 218 077 discloses 8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, 2-[(substituted phenylsulfinyl)alkanoyl]hydrazide compounds and 8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, 2-[(substituted phenylsulfonyl)alkanoyl]hydrazide compounds, and intermediates used in the preparation of these compounds.
Drower et al., "The Antiociceptive Effects of Prostaglandin Antagonists in the Rat," European Journal of Pharmacology, 133, 249-256 (1987), disclose the study of the antinociceptive properties of two competitive antagonists of prostaglandins of the E series, 8-chlorodibenz[b,f][1,4]-oxazepine-10(11H)-carboxylic acid, 2-acetylhydrazide and 8-chlorodibenz[b,f][1,4]-oxazepine-10(11H)-carboxylic acid, 2-(5-chloro-1-oxopentyl)-hydrazide.
J. H. Sanner, "Dibenzoxazepine Hydrazides as Prostaglandin Antagonists
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Hagen Timothy J.
Hallinan E. Ann
Husa Robert K.
Lee Albert C.
Tsymbalov Sofya
Datlow Philip I.
G. D. Searle & Co.
Hastreiter Roberta L.
Shah Mukund J.
Williams Roger A.
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