3-氟-4-甲氧基苯甲醛作为一种重要的精细化工原料,其需求量不断增加,尤其在香料和医药领域。因此,开发高选择性、高收率且经济合理的绿色生产工艺是其今后的主要发展方向。
用途3-氟-4-甲氧基苯甲醛作为一种关键的精细化工原料,在香料和医药行业有着广泛的应用。
合成方法以101克(0.80摩尔)的邻氟苯甲醚溶解在500毫升干燥二氯甲烷中,滴加182克(0.96摩尔,1.2当量)四氯化钛和110克(0.94摩尔)等体积的二氯甲烷溶液。保持温度在10-20°C,并使用冰浴冷却。将混合物在室温下搅拌至少一小时后,在搅拌条件下倒入碎冰水,再加入乙醚(1升),并在氮气氛围中搅拌至形成溶液。用水(3次)和碳酸氢钠溶液(3次)萃取有机层并干燥(MgSO4)。在30°C下蒸发溶剂得到油状粗产物。通过夹套Vigreux柱对油进行真空蒸馏,从而获得目标产物3-氟-4-甲氧基苯甲醛,产率为89.9%。

中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-氟-4-甲基苯甲醚 | 2-fluoro-1-methoxy-4-methylbenzene | 399-55-3 | C8H9FO | 140.157 |
3-氟-4-羟基苯甲醛 | 3-fluoro-4-hydroxybenzaldehyde | 405-05-0 | C7H5FO2 | 140.114 |
3-氟-4-甲氧基苯甲酰氯 | 3-fluoro-4-methoxybenzoylchloride | 3907-15-1 | C8H6ClFO2 | 188.586 |
3-氟-4-甲氧苯甲醇 | (3-fluoro-4-methoxyphenyl)methanol | 96047-32-4 | C8H9FO2 | 156.157 |
3-氟-4-甲氧基苄氯 | 3-fluoro-4-methoxybenzyl chloride | 351-52-0 | C8H8ClFO | 174.602 |
3-氟-4-甲氧基苯腈 | 3-fluoro-4-methoxybenzonitrile | 331-62-4 | C8H6FNO | 151.14 |
3-氟-4-甲氧基苄基溴 | 3-fluoro-4-methoxybenzyl bromide | 331-61-3 | C8H8BrFO | 219.053 |
4-甲氧基苯甲醛 | 4-methoxy-benzaldehyde | 123-11-5 | C8H8O2 | 136.15 |
2-氟苯甲醚 | 1-fluoro-2-methoxybenzene | 321-28-8 | C7H7FO | 126.13 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
3-氟-4-羟基苯甲醛 | 3-fluoro-4-hydroxybenzaldehyde | 405-05-0 | C7H5FO2 | 140.114 |
—— | 4-(3-chloropropoxy)-3-fluorobenzaldehyde | 596809-66-4 | C10H10ClFO2 | 216.64 |
3-氟-4-甲氧基苯甲酸 | 3-fluoro-p-anisic acid | 403-20-3 | C8H7FO3 | 170.14 |
4-(苄氧基)-3-氟苯甲醛 | 4-(benzyloxy)-3-fluorobenzaldehyde | 175968-61-3 | C14H11FO2 | 230.239 |
3-氟-4-甲氧苯甲醇 | (3-fluoro-4-methoxyphenyl)methanol | 96047-32-4 | C8H9FO2 | 156.157 |
3-氟-4-甲氧苄胺 | 3-fluoro-4-methoxybenzylamine | 123652-95-9 | C8H10FNO | 155.172 |
—— | 2-fluoro-1-methoxy-4-vinylbenzene | —— | C9H9FO | 152.168 |
3-氟-4-甲氧基苄氯 | 3-fluoro-4-methoxybenzyl chloride | 351-52-0 | C8H8ClFO | 174.602 |
4-乙炔基-2-氟-1-甲氧基苯 | 3-fluoro-4-methoxyphenylacetylene | 120136-28-9 | C9H7FO | 150.152 |
1-丙酮,1-(3-氟-4-甲氧基苯基) | 1-(3-fluoro-4-methoxyphenyl)propan-1-one | 586-22-1 | C10H11FO2 | 182.195 |
—— | (3-fluoro-4-methoxyphenyl)(phenyl)methanone | 345-68-6 | C14H11FO2 | 230.239 |
3-氟-4-甲氧基苄基溴 | 3-fluoro-4-methoxybenzyl bromide | 331-61-3 | C8H8BrFO | 219.053 |
2-(3-氟-4-甲氧基苯基)乙胺 | 2-(3-fluoro-4-methoxyphenyl)ethylamine | 458-40-2 | C9H12FNO | 169.199 |
—— | N-methyl-N-[(3-fluoro-4-methoxyphenyl)methyl]amine | 186447-76-7 | C9H12FNO | 169.199 |
3-氟-4-羟基苯甲酸 | 3-fluoro-4-hydroxybenzoic acid | 350-29-8 | C7H5FO3 | 156.113 |
—— | 3-fluoro-4-methoxybenzaldoxime | 370-60-5 | C8H8FNO2 | 169.155 |
—— | 4-(azidomethyl)-2-fluoro-1-methoxybenzene | —— | C8H8FN3O | 181.169 |
3-氟-4-甲氧基苯乙腈 | 3-fluoro-4-methoxyphenylacetonitrile | 404-90-0 | C9H8FNO | 165.167 |
—— | 4-(2,2-difluorovinyl)-2-fluoro-1-methoxybenzene | 63305-86-2 | C9H7F3O | 188.149 |
—— | N-methyl-2-(3-fluoro-4-methoxyphenyl)ethylamine | 52569-08-1 | C10H14FNO | 183.226 |
—— | (E)-3-(3-fluoro-4-methoxyphenyl)prop-2-en-1-ol | 689257-33-8 | C10H11FO2 | 182.195 |
—— | N-ethyl-2-(3-fluoro-4-methoxyphenyl)ethylamine | 118958-86-4 | C11H16FNO | 197.253 |
—— | 3-(3-fluoro-4-methoxyphenyl)acrylonitrile | —— | C10H8FNO | 177.178 |
—— | bis(3-fluoro-4-methoxy)desoxybenzoin | 1827-54-9 | C16H14F2O3 | 292.282 |
1-(3-氟-4-甲氧基苯基)乙醇 | 1-(3-fluoro-4-methoxyphenyl)ethan-1-ol | 590417-81-5 | C9H11FO2 | 170.184 |
—— | 3-fluoro-4-methoxycinnamic acid | 147906-08-9 | C10H9FO3 | 196.178 |
3-(3-氟-4-甲氧基苯基)-2-丙烯酸 | 3-Fluor-4-methoxyzimtsaeure | 713-85-9 | C10H9FO3 | 196.178 |
—— | 3-fluoro-4-hydroxybenzophenone | 365-14-0 | C13H9FO2 | 216.212 |
—— | 4-(3-fluoro-4-methoxyphenyl)but-3-en-2-one | 915287-54-6 | C11H11FO2 | 194.206 |
3-(3-氟-4-甲基苯基)-丙酸 | 3-(3-fluoro-4-methoxyphenyl)propanoic acid | 69888-90-0 | C10H11FO3 | 198.194 |
—— | 2-(3-fluoro-4-methoxyphenyl)nitroethylene | 118958-80-8 | C9H8FNO3 | 197.166 |
—— | 3-fluoro-4-methoxy-β-nitrovinylbenzene | 118958-80-8 | C9H8FNO3 | 197.166 |
—— | 1-(4-hexylphenyl)-4-(3-fluoro-4-methoxyphenyl)-1,4-butanedione | 141112-99-4 | C23H27FO3 | 370.464 |
—— | 3-(3-fluoro-4-methoxyphenyl)propionyl chloride | 83802-70-4 | C10H10ClFO2 | 216.64 |
—— | Z-1-(3',4'-dimethylphenyl)-2-(3''-fluoro-4''-methoxyphenyl)ethene | —— | C17H17FO | 256.32 |
—— | E-1-(3',4'-dimethylphenyl)-2-(3''-fluoro-4''-methoxyphenyl)ethene | —— | C17H17FO | 256.32 |
—— | trans 3-(3-fluoro-4-methoxyphenyl)-2-propenoic acid methyl ester | 695187-33-8 | C11H11FO3 | 210.205 |
—— | N-(3-fluoro-4-methoxybenzyl)-aminoacetaldehyde dimethyl acetal | 118779-16-1 | C12H18FNO3 | 243.278 |
—— | 2-hydroxy-2-(3-fluoro-4-methoxyphenyl)-ethanamine | 83195-56-6 | C9H12FNO2 | 185.198 |
—— | ethyl (E)-3-(3-fluoro-4-methoxyphenyl)acrylate | 187872-44-2 | C12H13FO3 | 224.232 |
—— | ethyl 3-(3-fluoro-4-methyloxyphenyl)acrylate | 58586-61-1 | C12H13FO3 | 224.232 |
—— | (E)-1,3-bis(3-fluoro-4-methoxyphenyI)prop-2-en-1-one | 1216911-44-2 | C17H14F2O3 | 304.293 |
—— | 2-(3-Fluoro-4-methoxyphenyl)-1,3-dioxolane | 477980-84-0 | C10H11FO3 | 198.194 |
—— | N-[2-(3-fluoro-4-methoxyphenyl)ethyl] butanamide | —— | C13H18FNO2 | 239.29 |
2-(3-氟-4-甲氧基苯基)环氧乙烷 | 2-(3-fluoro-4-methoxyphenyl)oxirane | 1016806-32-8 | C9H9FO2 | 168.168 |