Highly diastereo- and enantioselective C2 addition of 5<i>H</i>-oxazol-4-ones to γ-keto-α,β-unsaturated esters
作者:Li Lin、Mei Wang、Jiawei Zhou、Fei Li、Huiyun Liu
DOI:10.1039/d3cc00554b
日期:——
The novel direct C2-addition of azlactones to γ-keto-α,β-unsaturated esters was achieved with excellent stereoselectivities, and revealed an unusual π–π interaction effect between the substrate and catalyst.
Acylalkylaminocarbonyl substituted amino and imino acid compounds
申请人:E.R. Squibb & Sons, Inc.
公开号:EP0103496A1
公开(公告)日:1984-03-21
This invention provides new compounds of the formula
as more fully defined herein. These compounds are useful as hypotensive agents due to their angiotensin converting enzyme inhibition activity and, depending upon the definition of X, may also be useful as analgesics due to their enkephalinase inhibition activity.
本发明提供了如下式的新化合物
的新化合物。由于这些化合物具有血管紧张素转换酶抑制活性,因此可用作降血压药,而且根据 X 的定义,由于它们具有脑啡肽酶抑制活性,因此也可用作镇痛药。
Hydroxy substituted ureido amino and imino acids
申请人:E.R. Squibb & Sons, Inc.
公开号:EP0159156A1
公开(公告)日:1985-10-23
New compounds are disclosed having the formula
wherein R1, R2, R3, n and X are as defined hereinafter. These new compounds are useful as hypotensive agents due to their angiotensin converting enzyme inhibition activity and. depending upon the definition of X, may also be useful as analgesics due to their enkephalinase inhibition activity.
这些新化合物具有血管紧张素转换酶抑制活性,因此可用作降血压药;根据 X 的定义,它们还具有脑啡肽酶抑制活性,因此也可用作镇痛药。