申请人:——
公开号:US20030191349A1
公开(公告)日:2003-10-09
There is described the preparation of phenylphenol compounds of formula (I) by reaction of a keto compound of formula (3) with dioxolane of formula (4) and with an ammonium compound of formula (5) to form a &bgr;-aminoketone compound of formula (6) (reaction step (I)), reaction of the compound of formula (6) with a compound of formula (7) to form a compound of formula (2) (reaction step (II)), and subsequent alkylation to form a compound of formula (I) (reaction step (III)) in accordance with scheme (A); wherein R
1
, R
2
, R
3
, R
6
and R
7
are each independently of the others hydrogen or C
1
-C
8
-alkyl; R
4
, R
5
and R
8
are each independently of the others hydrogen or C
1
-C
5
alkyl; and Hal is a halogen atom. The compounds prepared in accordance with the invention are suitable as antimicrobial active substances.
1
2
本发明描述了通过将化合物的酮基化合物(3)与二氧六环化合物(4)和铵化合物(5)反应,形成β-氨基酮化合物(6)(反应步骤(I)),将化合物(6)与化合物(7)反应形成化合物(2)(反应步骤(II)),然后进行烷基化形成化合物(I)(反应步骤(III))的方法,其中R1、R2、R3、R6和R7分别独立地为氢或C1-C8-烷基;R4、R5和R8分别独立地为氢或C1-C5烷基;Hal为卤素原子。根据方案(A)制备的化合物适用作为抗微生物活性物质。