ATP-sensitive potassium channel openers: Synthesis and antihypertensive activity of 4-bicyclyloxybenzopyrans
摘要:
Synthesis and hypotensive activity of trans-3,4-dihydro-3-hydroxy-4-[(5-oxo-3,4-diazabicyclo[4.1.0]hept-2-en-2-yl)oxy]-2H-1-benzopyrans and their congeners are described. Compounds (-)-9eB and (-)-20B were highly potent ATP-sensitive potassium channel openers. (C) 1997, Elsevier Science Ltd.
DOI:
10.1016/s0960-894x(97)00027-9
作为产物:
描述:
卡龙酸酐 、 甲基肼 在
silica gel 、 ethyl acetate n-hexane 作用下,
以
乙醇 为溶剂,
反应 16.0h,
以afforded 312 mg (27.3%) of the titled compound的产率得到(+/-)-3,7,7-Trimethyl-3,4-diazabicyclo[4.1.0]heptane-2,5-dione
A compound of formula (I) possesses excellent potassium channel opening activity and is effective on various diseases arising from contractions of blood vessels, bronchial smooth muscles, etc., for example, ischemic heart diseases exemplified by angina pectoris, asthma, pollakisuria, sequela of subarachnoid hemorrhage, peripheral arterioinfarct, and so on. The compound has potent and long-lasting antihypertensive activity, with the onset of the action being slow, excellent activity in increasing renal blood flow, and high safety, and is therefore particularly useful as an antihypertensive. ##STR1## The substituents are as defined in the specification.
Synthesis and hypotensive activity of trans-3,4-dihydro-3-hydroxy-4-[(5-oxo-3,4-diazabicyclo[4.1.0]hept-2-en-2-yl)oxy]-2H-1-benzopyrans and their congeners are described. Compounds (-)-9eB and (-)-20B were highly potent ATP-sensitive potassium channel openers. (C) 1997, Elsevier Science Ltd.