近2-羟基-4-甲氧基苯甲醛因其特殊的结构,可通过Peikin反应直接得到相应的香豆素。因此,它作为香豆素类化合物的重要原料之一,具有一定的商业价值。
合成方法将多聚甲醛(67.5毫摩尔)、酚衍生物(10毫摩尔)、无水MgCl₂(1.43克,15毫摩尔)和Et₃N(5.3毫升,37.5毫摩尔)加入THF(50毫升)中。混合物加热回流24小时或直到TLC显示室温下材料完全反应。将反应混合物冷却至室温后,用1M HCl骤冷,并用EtOAc(50 mL × 3)萃取产物。合并有机层并用饱和盐水洗涤,再用Na₂SO₄干燥。过滤有机层,在减压下去除所有挥发物,通过快速色谱法(EtOAc/己烷)分离得到2-羟基-4-甲氧基苯甲醛。

生物活性2-Hydroxy-4-methoxybenzaldehyde是香兰素的异构体,可用于合成尿苷M7。它是一种有效的酪氨酸酶抑制剂,来源于三种东非药用植物:Mondia whitei、Rhus vulgaris Meikle和Sclerocarya caffra Sond。
靶点酪氨酸酶(Tyrosinase)。
化学性质白色结晶体。熔点42-43℃。
用途中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2,4-二甲氧基苯甲醛 | 2,4-Dimethoxybenzaldehyde | 613-45-6 | C9H10O3 | 166.177 |
2,4-二羟基苯甲醛 | 2,4-Dihydroxybenzaldehyde | 95-01-2 | C7H6O3 | 138.123 |
4-甲氧基水杨酸 | 4-methoxysalicylic acid | 2237-36-7 | C8H8O4 | 168.149 |
2-羟基-4-甲氧基苯甲酰氯 | 2-hydroxy-4-methoxybenzoyl chloride | 15198-08-0 | C8H7ClO3 | 186.595 |
4-甲氧基苯甲醛 | 4-methoxy-benzaldehyde | 123-11-5 | C8H8O2 | 136.15 |
2-羟基-4-甲氧基苄醇 | 2-hydroxy-4-methoxybenzyl alcohol | 59648-29-2 | C8H10O3 | 154.166 |
—— | ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate | 954374-77-7 | C13H14O5 | 250.251 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2,4-二甲氧基苯甲醛 | 2,4-Dimethoxybenzaldehyde | 613-45-6 | C9H10O3 | 166.177 |
2,4-二羟基苯甲醛 | 2,4-Dihydroxybenzaldehyde | 95-01-2 | C7H6O3 | 138.123 |
5-甲氧基-2-甲基苯酚 | 5-methoxy-2-methyl-phenol | 20734-74-1 | C8H10O2 | 138.166 |
—— | 2,5-dihydroxy-4-methoxy-benzaldehyde | 29865-97-2 | C8H8O4 | 168.149 |
2-乙氧基-4-甲氧基苯甲醛 | 2-ethoxy-4-methoxybenzaldehyde | 42924-37-8 | C10H12O3 | 180.203 |
4-甲氧基-2-(甲氧基甲氧基)苯甲醛 | 4-methoxy-2-methoxymethoxy benzaldehyde | 124555-63-1 | C10H12O4 | 196.203 |
4-甲氧基-2-(丙烷-2-基氧基)苯甲醛 | 2-isopropoxy-4-methoxybenzaldehyde | 107811-48-3 | C11H14O3 | 194.23 |
—— | 2-(2'-bromo)ethoxy-5-methoxybenzaldehyde | 175657-55-3 | C10H11BrO3 | 259.1 |
—— | 2-(2-hydroxyethoxy)-4-methoxybenzaldehyde | 277319-76-3 | C10H12O4 | 196.203 |
2-烯丙氧基-4-甲氧基苯甲醛 | 2-allyloxy-4-methoxybenzaldehyde | 71186-58-8 | C11H12O3 | 192.214 |
—— | 4-methoxy-2-(prop-2-yn-1-yloxy)benzaldehyde | 236390-57-1 | C11H10O3 | 190.199 |
2-(2-甲酰基-5-甲氧基苯氧基)乙腈 | 2-(2-formyl-5-methoxyphenoxy)acetonitrile | 108656-11-7 | C10H9NO3 | 191.186 |
5-甲氧基-2-乙烯基苯酚 | 5-methoxy-2-vinylphenol | 522592-59-2 | C9H10O2 | 150.177 |
2-羟基-4-甲氧基苄胺 | 2-(aminomethyl)-5-methoxyphenol | 164515-08-6 | C8H11NO2 | 153.181 |
2-羟基-4-甲氧基苄醇 | 2-hydroxy-4-methoxybenzyl alcohol | 59648-29-2 | C8H10O3 | 154.166 |
2,4,5-三羟基苯甲醛 | 2,4,5-trihydroxybenzaldehyde | 35094-87-2 | C7H6O4 | 154.122 |
—— | 2-hydroxy-5-iodo-4-methoxybenzaldehyde | 237056-75-6 | C8H7IO3 | 278.046 |
—— | 4-methoxy-2-(3-methylbut-2-enyloxy)benzaldehyde | 37761-51-6 | C13H16O3 | 220.268 |
2-羟基-5-甲氧基苯甲腈 | 2-hydroxy-4 methoxybenzonitrile | 39835-11-5 | C8H7NO2 | 149.149 |
5-氯-2-羟基-4-甲氧基苯甲醛 | 5-chloro-2-hydroxy-4-methoxy-benzaldehyde | 89938-56-7 | C8H7ClO3 | 186.595 |
—— | 4-methoxy-2-(methoxyethoxy)methoxy-benzaldehyde | 881027-27-6 | C12H16O5 | 240.256 |
2-羟基-5-[2-(三甲基甲硅烷基)乙炔]-苯羧酸甲酯 | 2-benzyloxy-4-methoxybenzaldehyde | 32884-23-4 | C15H14O3 | 242.274 |
5-溴-2-羟基-4-甲氧基苯甲醛 | 5-bromo-2-hydroxy-4-methoxybenzaldehyde | 57543-36-9 | C8H7BrO3 | 231.046 |
—— | 3-iodo-2-hydroxy-4-methoxybenzaldehyde | 155560-24-0 | C8H7IO3 | 278.046 |
3-氯-4-甲氧基水杨醛 | 3-chloro-2-hydroxy-4-methoxybenzaldehyde | 72482-15-6 | C8H7ClO3 | 186.595 |
(2-甲酰基-5-甲氧基苯基)乙酸酯 | 2-formyl-5-methoxyphenyl acetate | 62536-84-9 | C10H10O4 | 194.187 |
—— | (+/-)-4-Methoxy-2-(1-methylallyloxy)benzaldehyde | 148139-99-5 | C12H14O3 | 206.241 |
(2-甲酰基-5-甲氧基-苯氧基)-乙酸 | 2-(2-formyl-5-methoxyphenoxy)acetic acid | 856357-86-3 | C10H10O5 | 210.186 |
—— | 4-methoxy-2-((4-methoxybenzyl)oxy)benzaldehyde | 1321575-61-4 | C16H16O4 | 272.301 |
紫外线吸收剂 UV-9 | Benzophenone-3 | 131-57-7 | C14H12O3 | 228.247 |
—— | 2-(2-acetoxyethoxy)-4-methoxybenzaldehyde | 181824-35-1 | C12H14O5 | 238.24 |
3-溴-2-羟基-4-甲氧基苯甲醛 | 3-bromo-2-hydroxy-4-methoxybenzaldehyde | 63638-85-7 | C8H7BrO3 | 231.046 |
(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 |
2,2'-二羟基-4,4'-二甲氧基二苯甲酮 | bis(2-hydroxy-4-methoxyphenyl)-methanone | 131-54-4 | C15H14O5 | 274.273 |
2,2'-二羟基-4-甲氧基二苯甲酮 | (2-hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)-methanone | 131-53-3 | C14H12O4 | 244.247 |
—— | 4-Methoxy-2-(2-phenylethoxy)benzaldehyde | 149428-71-7 | C16H16O3 | 256.301 |
5-甲氧基-2-(甲氧基甲基)苯酚 | 2-(methoxymethyl)-5-methoxyphenol | 62849-09-6 | C9H12O3 | 168.192 |
—— | 5-methoxy-2-(1-propenyl)phenol | 53889-55-7 | C10H12O2 | 164.204 |
—— | Methyl 4-(2-formyl-5-methoxyphenoxy)but-2-enoate | 184687-50-1 | C13H14O5 | 250.251 |
美克西酮 | mexenone | 1641-17-4 | C15H14O3 | 242.274 |
—— | ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate | 954374-77-7 | C13H14O5 | 250.251 |
—— | 2-hydroxy-4-methoxybenzaldehyde oxime | 17861-16-4 | C8H9NO3 | 167.164 |
—— | 2-(2,2-diethoxyethoxy)-4-methoxybenzaldehyde | —— | C14H20O5 | 268.31 |
2,4-二甲氧基苯甲腈 | 2,4-dimethoxybenzonitrile | 4107-65-7 | C9H9NO2 | 163.176 |
—— | 4-methoxy-2-((3-phenylprop-2-yn-1-yl)oxy)benzaldehyde | —— | C17H14O3 | 266.296 |
—— | 2-((4-chlorobenzyl)oxy)-4-methoxybenzaldehyde | —— | C15H13ClO3 | 276.719 |
5-溴-2,4-二甲氧基苯甲醛 | 5-bromo-2, 4-dimethoxybenzaldehyde | 130333-46-9 | C9H9BrO3 | 245.073 |
—— | (E)-2-hydroxy-4-methoxystilbene | 134964-56-0 | C15H14O2 | 226.275 |
—— | (E)-2-(1,2-dichlorovinyloxy)-4-methoxybenzaldehyde | 1094462-06-2 | C10H8Cl2O3 | 247.078 |
—— | ethyl 2-(2-formyl-5-methoxyphenoxy)acetate | 76322-06-0 | C12H14O5 | 238.24 |
—— | 2-formyl-5-methoxyphenyl 2-chloroacetate | —— | C10H9ClO4 | 228.632 |
2-乙氧基-4-甲氧基苯甲酸 | 2-Aethoxi-4-methoxi-benzoesaeure | 55085-15-9 | C10H12O4 | 196.203 |
—— | 4-(2-Formyl-5-methoxy-phenoxymethyl)-benzonitril | 42876-58-4 | C16H13NO3 | 267.284 |
—— | ethyl 4-(2-formyl-5-methoxyphenoxy)but-2-ynoate | 1279703-02-4 | C14H14O5 | 262.262 |
—— | (E)-2-(3,7-dimethylocta-2,6-dienyloxy)-4-methoxybenzaldehyde | 59384-87-1 | C18H24O3 | 288.387 |
—— | 4-methoxy-2-(3-methoxybenzyloxy)benzaldehyde | —— | C16H16O4 | 272.301 |
—— | 4-methoxy-2-(3-morpholin-4-yl-propoxy)-benzaldehyde | 70960-58-6 | C15H21NO4 | 279.336 |
2-[(二甲氨基)甲基]-5-甲氧基苯酚 | 2-(dimethylaminomethyl)-5-methoxyphenol | 115320-07-5 | C10H15NO2 | 181.235 |
—— | (E)-3-(2-hydroxy-4-methoxyphenyl)acrylaldehyde | —— | C10H10O3 | 178.188 |
—— | 4-methoxy-2-hydroxycinnamaldehyde | 18386-00-0 | C10H10O3 | 178.188 |
3-溴-2,4-二甲氧基苯甲醛 | 3-bromo-2,4-dimethoxybenzaldehyde | 122452-59-9 | C9H9BrO3 | 245.073 |
—— | 2-(2,2-dibromovinyl)-5-methoxyphenol | 1191415-01-6 | C9H8Br2O2 | 307.969 |
—— | dimethylthiocarbamic acid O-(2-formyl-5-methoxyphenyl) ester | 476199-18-5 | C11H13NO3S | 239.295 |
—— | 1-(2-hydroxy-4-methoxyphenyl)nonan-1-one | 43221-42-7 | C16H24O3 | 264.365 |
3,5-二溴-2-羟基-4-甲氧基苯甲醛 | 3,5-dibromo-2-hydroxy-4-methoxybenzaldehyde | 117238-61-6 | C8H6Br2O3 | 309.942 |
—— | 4,4'-dimethoxy-5,5'-methylene-bis-salicylaldehyde | 47301-60-0 | C17H16O6 | 316.31 |
(2-甲酰基-5-甲氧基苯基)2,2-二甲基丙酸酯 | 4-methoxy-2-pivaloyloxybenzaldehyde | 923591-90-6 | C13H16O4 | 236.268 |
(2-羟基-4-甲氧基苯基)-(2-甲氧基苯基)甲酮 | 2-hydroxy-4-methoxy-2'-methoxybenzophenone | 62495-36-7 | C15H14O4 | 258.274 |
—— | 3-Methoxy-2-methyl-phenoxyessigsaeure | —— | C10H12O4 | 196.203 |
—— | 2-pentanyl-5-methoxyphenol | 85696-82-8 | C12H18O2 | 194.274 |
1-(2-羟基-4-甲氧基苯基)-3-苯基丙烷-1,3-二酮 | 1-(2-hydroxy-4-methoxyphenyl)-3-phenylpropane-1,3-dione | 52752-67-7 | C16H14O4 | 270.285 |
—— | N-[2-hydroxy-4-methoxybenzyl]benzamide | 1361875-72-0 | C15H15NO3 | 257.289 |
—— | methanesulfonic acid 2-formyl-5-methoxyphenyl ester | 1447351-60-1 | C9H10O5S | 230.241 |
—— | 2-(benzyloxy)-4-methoxybenzoic acid | 13618-49-0 | C15H14O4 | 258.274 |
—— | 2,4'-dihydroxy-4-methoxydihydrochalcone | —— | C16H16O4 | 272.301 |
—— | 2-Hydroxy-4-methoxy-5-(3-methylbut-2-enyl)benzaldehyde | 37761-55-0 | C13H16O3 | 220.268 |
—— | 5-methoxy-2-(2-nitro-vinyl)-phenol | 96853-34-8 | C9H9NO4 | 195.175 |
—— | (E)-5-methoxy-2-(2-nitrovinyl)phenol | 96853-34-8 | C9H9NO4 | 195.175 |