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Serving hundreds of leading biopharmaceutical companies globally:

Express Scripts
Cantor Fitzgerald
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Generated: March 20, 2018

DrugPatentWatch Database Preview

Details for Patent: 3,932,427

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Title: Pyridyl substituted aminoalkyl-thioureas and ureas
Abstract:The compounds are pyridyl substituted aminoalkylthioureas and ureas which are inhibitors of H-2 histamine receptors. A compound of this invention is N-methyl-N'-[2-(2-pyridylmethylamino)ethyl]thiourea.
Inventor(s): Durant; Graham John (Welwyn Garden City, EN), Emmett; John Colin (Codicote, EN), Ganellin; Charon Robin (Welwyn Garden City, EN)
Assignee: Smith Kline & French Laboratories, Inc. (Welwyn Garden City, EN)
Filing Date:Mar 13, 1974
Application Number:05/450,931
Claims:1. A compound of the formula: ##SPC5##

wherein A is such that there is formed together with the carbon atom shown a pyridine ring; X.sub.1 is hydrogen, lower alkyl, hydroxyl, trifluoromethyl, halogen, amino or ##EQU4## X.sub.2 is hydrogen or when X.sub.1 is lower alkyl, lower alkyl or halogen; k is 1 or 2 and m is 2 or 3, provided that the sum of k and m is 3 or 4; Y is NH; E is oxygen or sulphur; R.sub.1 is hydrogen, lower alkyl or dimethylaminoethyl, or a pharmaceutically acceptable acid addition salt thereof.

2. A compound of claim 1 wherein k is 1 and m is 2.

3. A compound of claim 2 in which X.sub.1 is hydrogen, methyl, bromo, hydroxyl or amino and X.sub.2 is hydrogen; E is sulphur and R.sub.1 is methyl.

4. A compound of claim 1, said compound being N-methyl-N'-[2-(2-pyridylmethylamino)ethyl]thiourea.

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Serving hundreds of leading biopharmaceutical companies globally:

Boehringer Ingelheim
Federal Trade Commission
Fish and Richardson
Cantor Fitzgerald
Chinese Patent Office
US Department of Justice

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