化学性质
白色针状结晶。熔点为124.5℃。易溶于热水、乙醇、乙醚和氯仿,难溶于水。
用途
主要用于有机合成。
生产方法
由对二甲氧基苯经以下步骤制得:将二硫化碳、氯乙酰氯与二甲氧基苯混合,在搅拌下加入三氯化铝与二硫化碳的混合物中,反应温度保持在约5℃。随后将反应混合物置于冰水中,用二硫化碳提取,回收二硫化碳后进行减压蒸馏,得2,5-二甲氧基苯乙酮。将其与乙醇、氢氧化钠溶液回流45小时,加盐酸调节pH至2,用水结晶即得成品。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl (2,5-dimethoxyphenyl)acetate | 6202-39-7 | C11H14O4 | 210.23 |
2,5-二甲氧苯基乙酸乙酯 | ethyl (2,5-dimethoxyphenyl)acetate | 66469-86-1 | C12H16O4 | 224.257 |
—— | 4-bromo-2,5-dimethoxyphenylacetic acid | 184473-59-4 | C10H11BrO4 | 275.099 |
2,5-二甲氧基苯乙腈 | 2-(2,5-dimethoxyphenyl)acetonitrile | 18086-24-3 | C10H11NO2 | 177.203 |
2,5-二甲氧基苯乙酮 | 2',5'-dimethoxyacetophenone | 1201-38-3 | C10H12O3 | 180.203 |
2,5-二甲氧基甲苯 | 2,5-dimethoxy toluene | 24599-58-4 | C9H12O2 | 152.193 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl (2,5-dimethoxyphenyl)acetate | 6202-39-7 | C11H14O4 | 210.23 |
2,5-二甲氧苯基乙酸乙酯 | ethyl (2,5-dimethoxyphenyl)acetate | 66469-86-1 | C12H16O4 | 224.257 |
2-(2,5-二甲氧基苯基)乙醛 | 2-(2,5-dimethoxyphenyl)acetaldehyde | 33567-62-3 | C10H12O3 | 180.203 |
2,5-二甲氧基苯乙醇 | 2-(2,5-dimethoxyphenyl)ethanol | 7417-19-8 | C10H14O3 | 182.219 |
—— | χ-hydroxypropyl 2,5-dimethoxyphenylacetate | 76196-44-6 | C13H18O5 | 254.283 |
—— | ethyl 2-(2-hydroxy-5-methoxyphenyl)acetate | 76196-45-7 | C11H14O4 | 210.23 |
—— | 2-(5-hydroxy-2-methoxyphenyl)ethanol | 2503-22-2 | C9H12O3 | 168.192 |
尿黑酸 | homogentisic acid | 451-13-8 | C8H8O4 | 168.149 |
—— | 4-bromo-2,5-dimethoxyphenylacetic acid | 184473-59-4 | C10H11BrO4 | 275.099 |
2-羟基-5-甲氧基苯乙醇 | 2-(2-hydroxy-5-methoxyphenyl)ethanol | 2503-23-3 | C9H12O3 | 168.192 |
2,5-二甲氧基苯基丙酮 | 1-(2',5'-dimethoxyphenyl)propan-2-one | 14293-24-4 | C11H14O3 | 194.23 |
(2,5-二甲氧苯基)乙酰氯 | 2,5-dimethoxyphenylacetyl chloride | 52711-92-9 | C10H11ClO3 | 214.649 |
2,5-二羟基苯基乙酸GAMMA内酯 | 5-Hydroxy-2-coumaranone | 2688-48-4 | C8H6O3 | 150.134 |
—— | 5-methoxy-2,3-dihydrobenzofuran | 13391-30-5 | C9H10O2 | 150.177 |
—— | 2-(2,5-dimethoxyphenyl)acetylhydrazine | 436155-31-6 | C10H14N2O3 | 210.233 |
2-(2,5-二羟基苯基)乙酸乙酯 | ethyl 2-(2,5-dihydroxyphenyl)acetate | 76196-46-8 | C10H12O4 | 196.203 |
—— | 2-(2,5-dimethoxyphenyl)ethylbromide | 99187-42-5 | C10H13BrO2 | 245.116 |
2,5-二甲氧基苯乙腈 | 2-(2,5-dimethoxyphenyl)acetonitrile | 18086-24-3 | C10H11NO2 | 177.203 |
—— | N-(2,5-dimethoxyphenylacetyl)-1,2-diaminoethane | 91289-41-7 | C12H18N2O3 | 238.287 |
2,3-二氢苯并呋喃-5-醇 | 2,3-dihydrobenzofuran-5-ol | 40492-52-2 | C8H8O2 | 136.15 |
—— | 4-bromo-2,5-dimethoxyphenylethanol | 184473-60-7 | C10H13BrO3 | 261.115 |
—— | 2-(2,5-dimethoxyphenyl)-N-(4-hydroxyphenethyl)acetamide | 1173289-30-9 | C18H21NO4 | 315.369 |
—— | N-(2,5-dimethoxyphenylacetyl)-1,3-diaminopropane | 91289-42-8 | C13H20N2O3 | 252.313 |
—— | 6-allyl-5-methoxy-2,3-dihydrobenzofuran | 130933-10-7 | C12H14O2 | 190.242 |
—— | 4-(2,5-Dimethoxy-phenyl)-3-oxo-butyric acid ethyl ester | 894802-86-9 | C14H18O5 | 266.294 |
N,N-二正丙基-2-(2,5-二甲氧基苯基)乙酰胺 | N,N-di-n-propyl-2-(2,5-dimethoxyphenyl)acetamide | 104465-28-3 | C16H25NO3 | 279.379 |
—— | (2,5-dimethoxy-phenyl)-acetic acid-(3,4-dimethoxy-phenethylamide) | 61349-13-1 | C20H25NO5 | 359.422 |
6-烯丙基-2,3-二氢苯并呋喃-5-醇 | 6-allyl-2,3-dihydrobenzofuran-5-ol | 119794-84-2 | C11H12O2 | 176.215 |
—— | (2,5-dimethoxy-4-nitrophenyl)acetic acid | 3914-94-1 | C10H11NO6 | 241.2 |
—— | 6-(2-aminopropyl)-5-methoxy-2,3-dihydrobenzofuran | 99355-77-8 | C12H17NO2 | 207.272 |
—— | 6-bromohomogentisic acid lactone | 59277-36-0 | C8H5BrO3 | 229.03 |
—— | 3-(2,5-dimethoxyphenyl)-2-oximinopropane | 43021-98-3 | C11H15NO3 | 209.245 |
—— | 1-<2-(2,5-dimethoxyphenyl)ethyl>piperidine | 155639-45-5 | C15H23NO2 | 249.353 |
—— | 2,6-dimethyl-8-(2,5-dimethoxyphenyl)octa-2,6-dienal | 50628-18-7 | C18H24O3 | 288.387 |
—— | 4-allyl-5-methoxy-2,3-dihydrobenzofuran | 130933-05-0 | C12H14O2 | 190.242 |
—— | 1-(2,5-Dimethoxyphenyl)-2-tosyloxyethane | 155639-44-4 | C17H20O5S | 336.409 |