苯甲酸是一种酸类有机物,常用作医药中间体。
制备将5.65克2-苯甲酰基环戊酮(30毫摩尔,1.0当量)悬浮在由5.04克氢氧化钾(90毫摩尔,3.0当量)和260毫升水组成的溶液中。随后加热至回流状态,并保持此状态直至反应体系变成均匀的单相。冷却至室温后,使用盐酸将pH值调节至4,从而沉淀出化合物6-氧代-6-苯基己酸(4.94克,粗产率:80%)。进一步通过异丙醇重结晶可获得纯净的6-氧代-6-苯基己酸(3.71克,产率:60%)。通过核磁共振氢谱分析可知,其特征峰为δ7.57-7.37(多重峰,5H),2.92(双峰,J=7.5Hz,2H),2.33(双峰,J=7.5Hz,2H),1.74-1.56(多峰,2H),1.40-1.32(多峰,2H)。
接下来,将4.18克6-氧代-6-苯基己酸(20.25毫摩尔,1.0当量)溶解于100毫升的绝对乙醇中,并加入1.40克10%钯/碳。在氢气氛围下加热至65℃反应18小时后,过滤并浓缩滤液得到苯甲酸(3.89克,产率:100%)。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
6-苯基己酸甲酯 | 6-phenyl-hexanoic acid methyl ester | 5581-76-0 | C13H18O2 | 206.285 |
—— | peracide phenyl-6 hexanoique | 62103-18-8 | C12H16O3 | 208.257 |
苯已醇 | 6-phenyl-1-hexanol | 2430-16-2 | C12H18O | 178.274 |
—— | peracide phenyl-7 heptanoique | 62103-19-9 | C13H18O3 | 222.284 |
—— | 6-phenyl-4-oxohexanoic acid | 13122-67-3 | C12H14O3 | 206.241 |
5-氧代-6-苯基己酸 | 5-oxo-6-phenylhexanoic acid | 40564-60-1 | C12H14O3 | 206.241 |
—— | rac-(2-phenylbutyl)propanedioic acid | 97025-01-9 | C13H16O4 | 236.268 |
6-苯基己腈 | 6-phenylhexanenitrile | 17777-31-0 | C12H15N | 173.258 |
5-苯(甲)酰戊酸 | 5-benzoylvaleric acid | 4144-62-1 | C12H14O3 | 206.241 |
—— | 6-oxo-6-phenyl-hexanoic acid methyl ester | 21876-11-9 | C13H16O3 | 220.268 |
—— | (4-bromopentyl)benzene | —— | C11H15Br | 227.144 |
—— | 1-Diazo-6-phenylhexan-2-one | 129866-61-1 | C12H14N2O | 202.256 |
乙基6-氧代-6-苯基己烷酸酯 | ethyl 6-oxo-6-phenylhexanoate | 4248-25-3 | C14H18O3 | 234.295 |
4-苯基-1-丁基溴 | 1-Bromo-4-phenylbutane | 13633-25-5 | C10H13Br | 213.117 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
16-苯基十六酸 | 16-phenyl-hexadecanoic acid | 19629-78-8 | C22H36O2 | 332.527 |
6-苯基己酸甲酯 | 6-phenyl-hexanoic acid methyl ester | 5581-76-0 | C13H18O2 | 206.285 |
6-苯基己醛 | 6-phenylhexanal | 16387-61-4 | C12H16O | 176.258 |
苯已醇 | 6-phenyl-1-hexanol | 2430-16-2 | C12H18O | 178.274 |
—— | 16-phenylhexadecanoic acid methyl ester | 106181-23-1 | C23H38O2 | 346.554 |
—— | ethyl 6-phenylhexanoate | 52692-51-0 | C14H20O2 | 220.312 |
苯戊醇 | 5-phenylpentan-1-ol | 10521-91-2 | C11H16O | 164.247 |
5-苯基-正戊酸甲酯 | 5-phenyl-n-valeric acid methyl ester | 20620-59-1 | C12H16O2 | 192.258 |
己基苯 | hexylbenzene | 1077-16-3 | C12H18 | 162.275 |
—— | 1-Phenyl-octanon-(6) | 14919-05-2 | C14H20O | 204.312 |
6-苯基己酰氯 | 6-phenylhexanoyl chloride | 21389-46-8 | C12H15ClO | 210.704 |
6-苯基己酰胺 | 6-phenylhexanamide | 31274-14-3 | C12H17NO | 191.273 |
戊基苯 | pentylbenzene | 538-68-1 | C11H16 | 148.248 |
—— | 1,5-diphenylpentane | 1718-50-9 | C17H20 | 224.346 |
—— | (6-iodohexyl)benzene | 52121-98-9 | C12H17I | 288.171 |
5-苯(甲)酰戊酸 | 5-benzoylvaleric acid | 4144-62-1 | C12H14O3 | 206.241 |
—— | 1-bromo-7-phenylheptan-2-one | 1236051-53-8 | C13H17BrO | 269.181 |
—— | 1-(4-(6-hydroxyhexyl)phenyl)ethan-1-one | 128577-67-3 | C14H20O2 | 220.312 |
—— | 1-(4-Hydroxyphenyl)-6-phenylhexane | 113795-46-3 | C18H22O | 254.372 |
—— | 6-phenylhexanol methylsulfonyl ester | 61440-48-0 | C13H20O3S | 256.366 |
—— | 6-(4-nitrophenyl)-hexanoic acid | 65596-92-1 | C12H15NO4 | 237.255 |
—— | (E)-6-phenyl-2-hexenoic acid | 84299-18-3 | C12H14O2 | 190.242 |
2-苄基环戊酮 | 2-benzylcyclopentanone | 2867-63-2 | C12H14O | 174.243 |