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Certain substituted-tricyclic quinazolin-thiones used as brochodilators

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专利汇可以提供Certain substituted-tricyclic quinazolin-thiones used as brochodilators专利检索,专利查询,专利分析的服务。并且The compounds are substituted-tricyclic quinazolin-thiones of the class of imidazo(2,1-b)quinazolin-5-thiones and pyrimido(2,1b)quinazolin-6-thiones, e.g., 2,3-dihydro-10-(4''-fluorobenzyl)imidazo (2,1-b)quinazolin-5(10H)-thione, useful as bronchodilator agents.,下面是Certain substituted-tricyclic quinazolin-thiones used as brochodilators专利的具体信息内容。

1. A METHOD OF EFFECTING BONCHOLDIALATIO IN MANMNALS IN NEED THEREOF COMPRISING ADMIXTUREIN YO SDAIF MANNALS, A BRONCHODILATING EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA:
2. The method of claim 1 in which the compound is 10-(4''-fluorobenzyl)-2,3-dihydro-imidazo(2,1-b)quinazolin5(10H)-thione.
3. The method of claim 1 in which the compound is 10-benzyl-2,3-dihydro-imidazo(2,1-b)quinazolin-5(10H)-thione.
4. The method of claim 1 wherein R is unsubstituted benzyl or 4-fluoro, 4-chloro or 4-bromo substituted benzyl, each of R1 and R2 is hydrogen and n is 0.
5. The method of claim 1 wherein either both R3 and R''3 are alkyl or both R4 and R''4 are alkyl.
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