4,4'-二甲氧基二苯甲酮是一种对称的二芳基酮。作为一类重要的有机合成中间体,它在医药、农药和高分子材料等领域有着广泛的应用。例如,二苯甲酮是制备抗眩晕药苯海拉明和地芬尼多的关键中间体;4,4’-二氟二苯甲酮则是制备脑血管药物氟苯桂嗪的关键中间体。此外,许多天然产物和药物活性分子中也含有对称的二芳基酮骨架结构。
制备方法将2 mmol 对甲氧基苯硼酸、0.0456 g (Pd 0.01 mmol) 的5 wt%Pd/CaCO3 和0.0114 g CuI(0.03 mmol) 加入250 mL 聚四氟内衬的压力反应釜中,再加入DMSO(10 mL)。将反应釜安装好后,在通风橱中先缓慢通入1.85 atm 的空气,然后通入0.15 atm 的CO,随后将其置于50℃的油浴中反应12小时。
待反应停止后,冷却至室温,并在通风橱内缓慢放出釜内剩余气体。开启反应釜,加入40 mL 质量浓度为5%的氨水并过滤分离钯催化剂。该催化剂经洗涤、干燥后可重复使用。母液用二氯甲烷(30 mL)萃取三次,合并有机相,并用无水硫酸钠干燥。真空浓缩除去溶剂得到粗产品,经柱层析纯化(体积比20:1石油醚/乙酸乙酯为洗脱剂)后可获得4,4'-二甲氧基二苯甲酮,收率为76%,产品为白色固体。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
(4-羟基苯基)-(4-甲氧基苯基)甲酮 | 4-hydroxy-4'-methoxybenzophenone | 61002-54-8 | C14H12O3 | 228.247 |
4,4'-二羟基二苯甲酮 | 4,4'-Dihydroxybenzophenone | 611-99-4 | C13H10O3 | 214.221 |
4,4-二甲氧基二苯基甲烷 | 4,4'-dianisylmethane | 726-18-1 | C15H16O2 | 228.291 |
—— | 9-(p-Methoxybenzoyl)-anthracen | 60109-23-1 | C22H16O2 | 312.368 |
1-[双(4-甲氧基苯基)甲基]-4-甲氧基苯 | tris(4-methoxyphenyl)methane | 7511-68-4 | C22H22O3 | 334.415 |
4-甲氧基苯甲醛 | 4-methoxy-benzaldehyde | 123-11-5 | C8H8O2 | 136.15 |
—— | 4,4'-dimethoxydiphenylmethyl chloride | 7525-23-7 | C15H15ClO2 | 262.736 |
二甲氧基苯甲醇 | 4,4'-Dimethoxybenzhydrol | 728-87-0 | C15H16O3 | 244.29 |
双(4-甲氧基苯基)甲硫醇 | bis(4-methoxyphenyl)methanethiol | 26608-02-6 | C15H16O2S | 260.357 |
4,4'-二羟基二苯甲烷 | 4,4'-methylenediphenol | 620-92-8 | C13H12O2 | 200.237 |
—— | 2-bromo-4,4'-dimethoxybenzophenone | —— | C15H13BrO3 | 321.17 |
1-甲氧基-4-[1-(4-甲氧基苯基)乙基]苯 | 1,1-bis(4-methoxyphenyl)ethane | 10543-21-2 | C16H18O2 | 242.318 |
1,1-二(对茴香基)乙烯 | 1,1-Bis(4-methoxyphenyl)ethylene | 4356-69-8 | C16H16O2 | 240.302 |
—— | bis(4-methoxyphenyl)methanimine | 5291-48-5 | C15H15NO2 | 241.29 |
—— | 4,4'-dimethoxyselenobenzophenone | 135655-33-3 | C15H14O2Se | 305.235 |
4,4'-二甲氧基硫代二苯甲酮 | bis(4-methoxyphenyl)thione | 958-80-5 | C15H14O2S | 258.341 |
4,4'-二甲氧基二苯甲胺 | Di-p-anisylmethylamine | 19293-62-0 | C15H17NO2 | 243.305 |
2,2-二氨基-4,4-二甲氧基苯甲酮 | 2,2'-diamino-4,4'-dimethoxybenzophenone | 71642-35-8 | C15H16N2O3 | 272.304 |
—— | 2,2-di-(4-methoxyphenyl)acetaldehyde | 5032-08-6 | C16H16O3 | 256.301 |
—— | dichloro-bis-(4-methoxy-phenyl)-methane | 17435-03-9 | C15H14Cl2O2 | 297.181 |
4,4'-二氟二苯甲酮 | 4,4'-Difluorobenzophenone | 345-92-6 | C13H8F2O | 218.203 |
—— | 1,1-bis(4-methoxyphenyl)propene | 4663-13-2 | C17H18O2 | 254.329 |
大茴香酸 | 4-methoxybenzoic acid | 100-09-4 | C8H8O3 | 152.15 |
—— | 2,2'-bis-(4-methoxyphenyl)-ethanol | 75057-12-4 | C16H18O3 | 258.317 |
—— | 4,4'-dimethoxybenzophenone oxime | 54150-63-9 | C15H15NO3 | 257.289 |
—— | 2,2-bis-(p-methoxyphenyl)-1-bromoethylene | 2132-64-1 | C16H15BrO2 | 319.198 |
—— | Bis(p-methoxyphenyl)diazomethan | 1221-72-3 | C15H14N2O2 | 254.288 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
(4-羟基苯基)-(4-甲氧基苯基)甲酮 | 4-hydroxy-4'-methoxybenzophenone | 61002-54-8 | C14H12O3 | 228.247 |
4,4'-二羟基二苯甲酮 | 4,4'-Dihydroxybenzophenone | 611-99-4 | C13H10O3 | 214.221 |
4,4-二甲氧基二苯基甲烷 | 4,4'-dianisylmethane | 726-18-1 | C15H16O2 | 228.291 |
(2-羟基-4-甲氧基苯基)-(4-甲氧基苯基)甲酮 | 2-hydroxy-4,4'-dimethoxybenzophenone | 6131-38-0 | C15H14O4 | 258.274 |
—— | 4,4'-dihydroxybenzophenone benzoic acid diester | 150443-08-6 | C27H18O5 | 422.437 |
—— | bis(3-chloro-4-methoxyphenyl)methanone | 71708-89-9 | C15H12Cl2O3 | 311.164 |
1-[双(4-甲氧基苯基)甲基]-4-甲氧基苯 | tris(4-methoxyphenyl)methane | 7511-68-4 | C22H22O3 | 334.415 |
双(3-溴-4-甲氧基苯基)甲酮 | bis(3-bromo-4-methoxyphenyl)methanone | 79616-15-2 | C15H12Br2O3 | 400.066 |
(3-溴-4-甲氧基苯基)-(4-甲氧基苯基)甲酮 | 3-bromo-4,4'-dimethoxy-benzophenone | 104689-84-1 | C15H13BrO3 | 321.17 |
—— | 4,4'-dimethoxydiphenylmethyl chloride | 7525-23-7 | C15H15ClO2 | 262.736 |
二甲氧基苯甲醇 | 4,4'-Dimethoxybenzhydrol | 728-87-0 | C15H16O3 | 244.29 |
—— | di(p-anisyl)methyl bromide | 69545-37-5 | C15H15BrO2 | 307.187 |
4,4'-二羟基二苯甲烷 | 4,4'-methylenediphenol | 620-92-8 | C13H12O2 | 200.237 |
1-甲氧基-4-[1-(4-甲氧基苯基)乙基]苯 | 1,1-bis(4-methoxyphenyl)ethane | 10543-21-2 | C16H18O2 | 242.318 |
1,1-二(对茴香基)乙烯 | 1,1-Bis(4-methoxyphenyl)ethylene | 4356-69-8 | C16H16O2 | 240.302 |
—— | bis(3-chloro-4-hydroxyphenyl)methanone | 79616-16-3 | C13H8Cl2O3 | 283.111 |
—— | bis(4-methoxyphenyl)methanimine | 5291-48-5 | C15H15NO2 | 241.29 |
4-甲基二苯甲酮 | 4-Methylbenzophenone | 134-84-9 | C14H12O | 196.249 |
—— | di(3-(chloromethyl)-4-methoxyphenyl)ketone | 20795-64-6 | C17H16Cl2O3 | 339.218 |
4,4'-二甲氧基硫代二苯甲酮 | bis(4-methoxyphenyl)thione | 958-80-5 | C15H14O2S | 258.341 |
4,4'-二甲氧基二苯甲胺 | Di-p-anisylmethylamine | 19293-62-0 | C15H17NO2 | 243.305 |
二(3-溴-4-羟基-苯基)甲酮 | 4,4'-dihydroxy-3,3'-dibromobenzophenone | 5423-21-2 | C13H8Br2O3 | 372.013 |
—— | bis(4-methoxyphenyl)(4-chlorophenyl)methane | —— | C21H19ClO2 | 338.834 |
—— | Tris<4-(2-propinyloxy)phenyl>methan | 122035-55-6 | C28H22O3 | 406.481 |
—— | 2,2-di-(4-methoxyphenyl)acetaldehyde | 5032-08-6 | C16H16O3 | 256.301 |
—— | dichloro-bis-(4-methoxy-phenyl)-methane | 17435-03-9 | C15H14Cl2O2 | 297.181 |
—— | bis(4-methoxyphenyl)methyl methyl ether | 2186-95-0 | C16H18O3 | 258.317 |
—— | 1,1-bis(4-methoxyphenyl)propane | 4792-39-6 | C17H20O2 | 256.345 |
1-[2-氯-1-(4-甲氧基苯基)乙烯基]-4-甲氧基苯 | 2-chloro-1,1-bis-(4-methoxy-phenyl)-ethene | 2132-66-3 | C16H15ClO2 | 274.747 |
—— | 1,1'-(Difluormethylen)bis(4-methoxybenzol) | 79485-25-9 | C15H14F2O2 | 264.272 |
—— | 1,1-bis(4-methoxyphenyl)propene | 4663-13-2 | C17H18O2 | 254.329 |
—— | 4,4'-dimethoxybenzophenone hydrazone | 20114-55-0 | C15H16N2O2 | 256.304 |
大茴香酸 | 4-methoxybenzoic acid | 100-09-4 | C8H8O3 | 152.15 |
—— | 4,4'-dimethoxybenzophenone oxime | 54150-63-9 | C15H15NO3 | 257.289 |
—— | 4-[2,2-bis(4-methoxyphenyl)ethenyl]benzaldehyde | —— | C23H20O3 | 344.41 |
—— | 2,2-bis-(p-methoxyphenyl)-1-bromoethylene | 2132-64-1 | C16H15BrO2 | 319.198 |
—— | 4,4-(2-chloroethane-1,1-diyl)bis(methoxybenzene) | 4957-05-5 | C16H17ClO2 | 276.763 |
—— | Bis(p-methoxyphenyl)diazomethan | 1221-72-3 | C15H14N2O2 | 254.288 |
—— | 4,4'-dimethoxybenzhydryl formate | 1580541-57-6 | C16H16O4 | 272.301 |
4,4,4-三羟基三甲苯 | 4,4',4''-methylidynetrisphenol | 603-44-1 | C19H16O3 | 292.334 |