申请人:BASF Aktiengesellschaft
公开号:US05354937A1
公开(公告)日:1994-10-11
Tert-amyl compounds of the general formula I ##STR1## and novel processes for preparing 2-tert-amylbutadiene by dehydrating 3,4,4-trimethylhex-1-en-3-ol at from 100.degree. to 350.degree. C. and from 0.01 to 50 bar on acidic catalysts, its preparation by partially hydrogenating 3,4,4-trimethyl-hex-1-yn-03-ol at from 0.degree. to 50.degree. C. and from 0.01 to 50 bar and its preparation by reacting tert-amyl methyl ketone (3,3-dimethylpentan-2-one) with acetylene in the presence of basic catalysts at from 0.degree. to 60.degree. C. and from 0.01 to 50 bar, and also the preparation of 2-tert-amylanthraquinone by reacting 2-tert-amylbutadiene with 1,4-naphthoquinone at from 20.degree. to 200.degree. C. and from 0.01 to 50 bar to give 2-tert-amyl-1,4,4a,9a-tetrahydroanthraquinone and then oxidizing the latter in the presence of a strong base at from 0.degree. to 50.degree. C. are described.
通用公式I的Tert-戊基化合物##STR1##以及制备2-tert-戊基丁二烯的新方法被描述。其中,通过在100度至350度和0.01至50巴的酸性催化剂上脱水3,4,4-三甲基己-1-烯-3-醇来制备2-tert-戊基丁二烯,通过在0度至50度和0.01至50巴的条件下部分氢化3,4,4-三甲基己-1-炔-03-醇来制备,以及通过在0度至60度和0.01至50巴的条件下在碱性催化剂存在下将Tert-戊基甲基酮(3,3-二甲基戊二酮)与乙炔反应来制备。此外,还描述了通过在20度至200度和0.01至50巴的条件下将2-tert-戊基丁二烯与1,4-萘醌反应制备2-tert-戊基蒽醌,然后在强碱存在下氧化后者在0度至50度之间。