4-羟乙酰乙酸内酯 、 1-methylcyclopentylurea 以there is obtained 3 g of 1-(1-methylcyclopentyl)-3-(2,5-dihydro-5-oxo-3-furyl)urea, m.p. 170°C. (decomposition)的产率得到1-(1-methylcyclopentyl)-3-(2,5-dihydro-5-oxo-furan-3-yl)urea
参考文献:
名称:
1-Tertiary-alkyl-3-(substituted furyl)ureas as antihypertensive agents
1-Tertiary-alkyl-3-(substituted furyl)ureas as antihypertensive agents
申请人:E. I. Du Pont de Nemours and Company
公开号:US03969370A1
公开(公告)日:1976-07-13
This invention relates to a class of 1-tertiary-alkyl-3-(substituted furyl)ureas that exhibit antihypertensive activity in warm-blooded animals. A representative compound is 1-tert-butyl-3-(2,5-dihydro-5-oxo-3-furyl)urea. This compound additionally possesses herbicidal activity.
Methods of treating hypertension and pharmaceutical compositions
申请人:E. I. Du Pont de Nemours and Company
公开号:US04001425A1
公开(公告)日:1977-01-04
This invention relates to methods of treating hypertension and pharmaceutical compositions comprising a class of 1-tertiary-alkyl-3-(substituted furyl)ureas that exhibit antihypertensive activity in warm-blooded animals. A representative compound is 1-tert-butyl-3-(2,5-dihydro-5-oxo-3-furyl)urea.