申请人:Sterling Drug Inc.
公开号:US04496590A1
公开(公告)日:1985-01-29
Novel hydroxyphenylaminobenzenealkanols, useful as antiasthmatic agents, are of the formula ##STR1## wherein R is hydrogen, lower-alkyl, lower-alkoxy or halo; R' is hydrogen or lower-alkyl; R" is hydrogen, lower-alkyl or halo; and Y is C.sub.n H.sub.2n wherein n is 1-2. The compounds are prepared by de-etherification of the corresponding phenol alkyl or benzyl ethers; by reduction of the corresponding benzoic acids or esters thereof; or by reduction of ketones wherein --Y--OH is replaced by --COCH.sub.3.
新型羟基苯胺基苯丙醇,作为抗哮喘剂有用,其化学式为##STR1##其中R为氢、较低烷基、较低烷氧基或卤素;R'为氢或较低烷基;R"为氢、较低烷基或卤素;Y为C.sub.n H.sub.2n,其中n为1-2。这些化合物通过对应苯酚烷基或苄醚的脱醚化制备;通过对应苯甲酸或其酯的还原制备;或通过酮的还原,其中--Y--OH被--COCH.sub.3取代。