应用广泛,2,3-二羟基苯甲醛可用来合成抗高压药、抗高血脂药以及治疗心血管疾病、皮肤病和眼疾的药物等。
制备过程中,将75.3克(0.495摩尔)2-羟基-3-甲氧基苯甲醛溶解于450毫升冰醋酸中,然后加入48%的HBr 450毫升。搅拌反应混合物并迅速加热至沸腾,在约115℃温度下缓慢除去馏出物。6小时后停止反应(250毫升馏出物),冷却反应混合物。
将冷却后的反应混合物倒入剧烈搅拌下的750克冰和500毫升水的混合物中,用乙酸乙酯萃取所得水层三次。合并提取液,依次用水合碳酸氢钠和饱和食盐水洗涤,并用硫酸镁干燥。在减压下蒸发溶剂后,将固体残余物溶解于氯仿中。过滤不溶性的棕色物质并真空蒸发氯仿后,进行重结晶(己烷),最终得到25.3克2,3-二羟基苯甲醛(0.183摩尔,产率37%)。产物为细黄色针状晶体,熔点为109-111℃。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
邻香草醛 | 3-methoxy-2-hydroxybenzaldehyde | 148-53-8 | C8H8O3 | 152.15 |
3-羟基-2-甲氧苯甲醛 | 3-hydroxy-2-methoxybenzaldehyde | 66495-88-3 | C8H8O3 | 152.15 |
水杨醛 | salicylaldehyde | 90-02-8 | C7H6O2 | 122.123 |
3,4-二羟基苯甲醛 | 3,4-dihydroxybenzaldehyde | 139-85-5 | C7H6O3 | 138.123 |
间羟基苯甲醛 | meta-hydroxybenzaldehyde | 100-83-4 | C7H6O2 | 122.123 |
2,3-二甲氧基苯甲醛 | 2,3-dimethyoxybenzaldehyde | 86-51-1 | C9H10O3 | 166.177 |
3-乙氧基水杨醛 | 3-ethoxysalicylaldehyde | 492-88-6 | C9H10O3 | 166.177 |
3-异丙氧基-2-甲氧基苯甲醛 | 3-isopropoxy-2-methoxybenzaldehyde | 218903-24-3 | C11H14O3 | 194.23 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
邻香草醛 | 3-methoxy-2-hydroxybenzaldehyde | 148-53-8 | C8H8O3 | 152.15 |
3-羟基-2-甲氧苯甲醛 | 3-hydroxy-2-methoxybenzaldehyde | 66495-88-3 | C8H8O3 | 152.15 |
苯甲酸,二羟基- | 2,3-Dihydroxybenzoic acid | 303-38-8 | C7H6O4 | 154.122 |
2,3-二甲氧基苯甲醛 | 2,3-dimethyoxybenzaldehyde | 86-51-1 | C9H10O3 | 166.177 |
5-溴-2,3-二羟基苯甲醛 | 5-bromo-2,3-dihydroxybenzaldehyde | 52924-55-7 | C7H5BrO3 | 217.019 |
3-乙氧基水杨醛 | 3-ethoxysalicylaldehyde | 492-88-6 | C9H10O3 | 166.177 |
2-乙氧基-3-羟基苯甲醛 | 2-ethoxy-3-hydroxybenzaldehyde | 182067-51-2 | C9H10O3 | 166.177 |
—— | 2-hydroxy-3-isopropoxybenzaldehyde | —— | C10H12O3 | 180.203 |
—— | 2-hydroxy-3-n-propoxybenzaldehyde | 222031-84-7 | C10H12O3 | 180.203 |
—— | 2-hydroxy-3-(2-propenyloxy)benzaldehyde | 132803-49-7 | C10H10O3 | 178.188 |
—— | 2,3-dihydroxy-4-(2-propenyl)benzaldehyde | 132803-47-5 | C10H10O3 | 178.188 |
—— | 2-hydroxy-3-isobutoxybenzaldehyde | —— | C11H14O3 | 194.23 |
—— | 3-tert-butoxy-2-hydroxybenzaldehyde | 623174-45-8 | C11H14O3 | 194.23 |
—— | 3-butoxy-2-hydroxybenzaldehyde | 91849-57-9 | C11H14O3 | 194.23 |
—— | 2-hydroxy-3-(3-methoxypropoxy)benzaldehyde | 857272-23-2 | C11H14O4 | 210.23 |
3-羟基-2-异丙氧基苯甲醛 | 2-isopropoxy-3-hydroxybenzaldehyde | 664306-48-3 | C10H12O3 | 180.203 |
—— | 2-hydroxy-3-(pentyloxy)benzaldehyde | —— | C12H16O3 | 208.257 |
—— | 2-allyloxy-3-hydroxybenzaldehyde | 108059-04-7 | C10H10O3 | 178.188 |
3-(羟基甲基)邻苯二酚 | 2,3-dihydroxybenzyl alcohol | 14235-77-9 | C7H8O3 | 140.139 |
—— | 3-hydroxy-2-methoxymethoxy-benzaldehyde | 1351594-24-5 | C9H10O4 | 182.176 |
—— | 3,3'- |
121073-78-7 | C18H18O7 | 346.337 |
—— | 2-methoxy-3-methylphenol | 18102-31-3 | C8H10O2 | 138.166 |
2,3-二羟基苯甲腈 | 2,3-dihydroxybenzonitrile | 67984-81-0 | C7H5NO2 | 135.122 |
—— | 2-hydroxy-3-(2-(2-methoxyethoxy)ethoxy)benzaldehyde | 122174-22-5 | C12H16O5 | 240.256 |
—— | 2-Hydroxy-3-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]benzaldehyde | 155990-24-2 | C19H30O9 | 402.442 |
—— | 3,3'-(3,6,9-trioxaundecane-1,11-diyldioxy)-bis(2-hydroxybenzaldehyde) | 115142-67-1 | C22H26O9 | 434.443 |
—— | 2-Hydroxy-3-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]benzaldehyde | 155990-23-1 | C18H28O8 | 372.416 |
—— | 3,3'-(3,6-dioxaoctane-1,8-diyldioxy)bis(2-hydroxybenzaldehyde) | 115142-66-0 | C20H22O8 | 390.39 |
2-羟基-3-[2-[2-(2-羟基乙氧基)乙氧基]乙氧基]苯甲醛 | 2-hydroxy-3-<2-<2-(2-hydroxyethoxy)ethoxy>ethoxy>benzaldehyde | 141074-39-7 | C13H18O6 | 270.282 |
2,3-(亚甲二氧基)苯甲醛 | 2H-benzo[d]1,3-dioxolane-4-carbaldehyde | 7797-83-3 | C8H6O3 | 150.134 |
3-苄氧基-2-羟基苯甲醛 | 3-benzyloxy-2-hydroxybenzaldehyde | 86734-59-0 | C14H12O3 | 228.247 |
2,3-二乙氧基苯甲醛 | 2,3-diethoxy-benzaldehyde | 24454-82-8 | C11H14O3 | 194.23 |
—— | 3-hydroxy-2-(2-methoxyethoxy)benzaldehyde | 890655-70-6 | C10H12O4 | 196.203 |
—— | 3-acetoxy-2-hydroxybenzaldehyde | 55477-54-8 | C9H8O4 | 180.16 |
—— | 2-(benzyloxy)-3-hydroxybenzaldehyde | 86734-60-3 | C14H12O3 | 228.247 |
—— | 3-hydroxy-2-[(2-methylprop-2-en-1-yl)oxy]benzaldehyde | —— | C11H12O3 | 192.214 |
2,3-二氢-1,4-苯并二氧-5-甲醛 | 2,3-dihydro-benzo[1,4]dioxine-5-carbaldehyde | 29668-43-7 | C9H8O3 | 164.161 |
A series of novel 1-phenyl-