Question

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Several metal-based homogeneous catalysts have
been used [3–7]. Murahashi et al. have recently patented
the oxidation of alkanes and cycloalkanes into the cor-
responding alcohols and ketons in the presence of
aldehydes using a Cu-based catalyst and nitrogen con-
taining compounds [8]. Industrially the cyclohexane is
oxidized by air (15 Atm) at 160
C in the presence of
cobalt naphtenate as homogeneous catalyst, giving
cyclohexanone and cyclohexanol with good selectivity
(80 %) at low conversion (1–10 %) [9,10]. Since cyclo-
hexanone and cyclohexanol are more reactive than the
cyclohexane reactant, it is difficult to achieve high con-
version and selectivity simultaneously.

Answer 1

数种金属介质同相催化剂已被使用 Murahashi 最近发表专利 有关於在醛的存在下
使用铜介质催化剂 及含氮化合物 可氧化烷及环烷转化成相对的醇及酮
在工业上 环烷以萘酸钴作为同质催化剂 经由空气(15Atm) 160 °C 氧化
产生环己酮以及环己醇具有高选择性(80 %) 低转化率 (1–10 %)
然而相对於环己烷 环己酮以及环己醇有较高的反应性
很难同时达到高转化率及高选择性

Answer 2

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