Compounds useful as biologically active compounds are disclosed. The compounds have the following structure (I): or a stereoisomer, tautomer or salt thereof, wherein R1, R2, R3, R4, R5, L, L1, L2, M and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.
2,4-Diamino-5-(4-amino and 4-dimethylamino-3,5-dimethoxy
申请人:Hoffmann-La Roche Inc.
公开号:US04515948A1
公开(公告)日:1985-05-07
2,4-Diamino-5-benzylpyrimidines of the formula ##STR1## wherein R.sup.1, R.sup.2, A, Z and n are as hereinafter set forth, are described. The 2,4-diamino-5-benzylpyrimidines of the invention have useful antibacterial activity. More particularly, they inhibit bacterial dihydrofolate reductase and potentiate the antibacterial activity of sulfonamides.
Targetable diagnostic and/or therapeutically active agents, e.g. ultrasound contrast agents, comprising a suspension in an aqueous carrier liquid of a reporter comprising gas-containing or gas-generating material, said agent being capable of forming at least two types of binding pairs with a target.
Verfahren zur Herstellung von Sulfonamid-Potentiator-Lösungen und ein neues Sulfanilamid
申请人:F. HOFFMANN-LA ROCHE & CO.
Aktiengesellschaft
公开号:EP0075135A1
公开(公告)日:1983-03-30
Wäßrige Lösungen von antibakteriell wirksamen Sulfonamiden und Sulfonamid-Potentiatoren, die für parenterale Applikation geeignet sind und keine organischen Lösungsmittel enthalten, erhält man dadurch, dass man ein Sulfonamid RH mit einem Aldehyd R'CHO zu einer Verbindung R1CH(R)2 umsetzt und diese zusammen mit dem Potentiator in Wasser löst.