Die Addition der N-Alkyl-N′-(trimethylsilyl)carbodiimide 1 - 7 an die Halogenketene 9 - 11 verläft regioselektiv, wobei die in 3-Position halogenierten 1-Alkyl-4-[(trimethylsilyl)imino]-2-azetidinone 12 - 21 entstehen. Diese lassen sich leicht zu den halogenierten 1-Alkyl-4-imino-2-azetidinonen 22 - 31 entsilylieren. - Diphenylacetylchlorid liefert mit dem Carbodiimid 6 das Säureamid 32, und Bernsteinsäure-dichlorid
The present invention provides a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or prodrug thereof. Further provided is a method of treatment of cancer in a subject comprising administering to said subject an effective amount of a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or prodrug thereof. Further provided is the use of a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or prodrug thereof in the preparation of a medicament for the treatment of cancer. In addition, the present invention also provides a pharmaceutical composition comprising a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or prodrug thereof.
The present invention provides a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or pro-drug thereof. Further provided is a method of treatment of cancer in a subject comprising administering to said subject an effective amount of a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or prodrug thereof. Further provided is the use of a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or prodrug thereof in the preparation of a medicament for the treatment of cancer. In addition, the present invention also provides a pharmaceutical composition comprising a compound of Formula (I), or a pharmaceutical acceptable derivative, salt or prodrug thereof.
The long-term stabilities and degradation processes of protic ionic liquids with outstanding NH3 absorption capacities were explored.
探索了具有出色 NH3 吸收能力的原生离子液体的长期稳定性和降解过程。
A pharmaceutical composition containing an imidazolidinetrione derivative or pharmaceutically acceptable salt thereof
申请人:NIPPON ZOKI PHARMACEUTICAL CO. LTD.
公开号:EP0194226A1
公开(公告)日:1986-09-10
Pharmaceutical compositions contain as an active ingredient oxaluric acid derivatives of the formula (I):
wherein each of R, and R2, which may be the same or different, represents hydrogen or an alkyl or cycloalkyl group or the group
and each of R3 and R4, which may be the same or different, represents hydrogen, halogen, a nitro group or a lower alkyl or lower alkoxy group, and pharmaceutically acceptable salts and metal complexes thereof. The compositions have hypoglycemic and hypolipidemic acitivity. Several of the compounds disclosed are novel per se.
药物组合物含有式(I)的草酸衍生物作为活性成分:
其中 R 和 R2(可以相同或不同)各自代表氢或烷基或环烷基或基团
以及 R3 和 R4(可以相同或不同)各自代表氢、卤素、硝基或低级烷基或低级烷氧基,以及它们的药学上可接受的盐和金属络合物。这些组合物具有降血糖和降血脂活性。所公开的化合物中有几种本身就是新颖的。