如果遵照规格使用和储存,则不会分解,也未有已知危险反应。避免与氧化物接触。
① 在三口烧瓶中加入25g(0.16mol)3,5-二羟基苯甲酸和118g(3.7mol)甲醇,搅拌溶解后滴加0.3g浓硫酸。滴完后继续搅拌,并升温至回流温度,进行回流反应8小时。之后减压蒸除甲醇,得到3,5-二羟基苯甲酸甲酯粗品。接着用稀NaHCO₃水溶液重结晶、过滤和干燥,最终获得26g白色3,5-二羟基苯甲酸甲酯。
② 在三口烧瓶中加入四氢呋喃并剧烈搅拌,随后加入7g(0.05mol)三氯化铝直至固体完全溶解。接着加入7.5g(0.14mol)硼氢化钾并继续搅拌。然后滴加含有6.7g步骤①所得3,5-二羟基苯甲酸甲酯(0.04mol)的四氢呋喃溶液,从而引发生成3,5-二羟基苯甲醇的反应。滴完后缓慢升温至四氢呋喃的回流温度,并保温反应6小时。随后降温至20°C。将反应体系加入100ml 10wt%盐酸水溶液中终止反应。经过用四氯化碳作为萃取剂进行萃取,再蒸除四氢呋喃有机溶剂,得到白色固体粗品。最后将粗品加入热水中重结晶,获得4.8g3,5-二羟基苯甲醇白色晶体。收率为77%,纯度为98.5%。
结晶(水)。熔点189-190℃。
用途3,5-二羟基苯甲醇是亮菌甲素的中间体,并作为药物博利康尼和假密环菌素等药物的中间体。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
3,5-二羟基苯甲酸 | 3,5-Dihydroxybenzoic acid | 99-10-5 | C7H6O4 | 154.122 |
3,5-二羟基苯甲醛 | 3,5-dihydroxybenzaldehyde | 26153-38-8 | C7H6O3 | 138.123 |
3,5-二羟基苯甲酸甲酯 | 1-carbomethoxy-3,5-dihydroxybenzene | 2150-44-9 | C8H8O4 | 168.149 |
3,5-二苄氧基苯甲醇 | 3,5-dibenzyloxybenzyl alcohol | 24131-31-5 | C21H20O3 | 320.388 |
—— | 3,5-diacetoxy-benzyl alcohol | 35354-30-4 | C11H12O5 | 224.213 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
3-羟基-5-甲氧基苯甲醇 | 3-hydroxy-5-methoxybenzenemethanol | 30891-29-3 | C8H10O3 | 154.166 |
3,5-二羟基甲苯 | orcinol | 504-15-4 | C7H8O2 | 124.139 |
3,5-二甲氧基苄醇 | 3,5-dimethoxybenzyl alcohol | 705-76-0 | C9H12O3 | 168.192 |
3,5-二羟基苯甲酸 | 3,5-Dihydroxybenzoic acid | 99-10-5 | C7H6O4 | 154.122 |
3-乙氧基-5-(羟基甲基)苯酚 | 3-ethoxy-5-hydroxymethyl-phenol | 906079-93-4 | C9H12O3 | 168.192 |
3,5-二乙氧基苯甲醇 | 3,5-diethoxybenzyl alcohol | 198623-56-2 | C11H16O3 | 196.246 |
3,5-二羟基苯甲醛 | 3,5-dihydroxybenzaldehyde | 26153-38-8 | C7H6O3 | 138.123 |
5-(溴甲基)苯-1,3-二醇 | 5-(bromomethyl)benzene-1,3-diol | 33617-40-2 | C7H7BrO2 | 203.035 |
—— | 3,5-dipropoxybenzyl alcohol | 177837-81-9 | C13H20O3 | 224.3 |
[3,5-二(丙烷-2-氧基)苯基]甲醇 | (3,5-diisopropoxyphenyl)methanol | 94169-63-8 | C13H20O3 | 224.3 |
(3-异丙氧基-5-甲氧基-苯基)-甲醇 | (3-Methoxy-5-propan-2-yloxyphenyl)methanol | 1026290-18-5 | C11H16O3 | 196.246 |
—— | 3,5-diallyloxybenzyl alcohol | 177837-80-8 | C13H16O3 | 220.268 |
—— | 3,5-dipropargyloxybenzyl alcohol | 176038-84-9 | C13H12O3 | 216.236 |
—— | 3-hydroxy-5-butyloxy-benzyl alcohol | 350035-56-2 | C11H16O3 | 196.246 |
3-(羟甲基)-5-(2-甲氧基乙氧基)苯酚 | 3-(hydroxymethyl)-5-(2-methoxyethoxy)phenol | 1010412-86-8 | C10H14O4 | 198.219 |
3-(苄氧基)-5-羟基苄醇 | 3-benzyloxy-5-hydroxybenzyl alcohol | 134868-93-2 | C14H14O3 | 230.263 |
—— | 3,5-dibutoxybenzyl alcohol | 889930-50-1 | C15H24O3 | 252.354 |
—— | (E)-4,4'-bis(3,5-dihydroxybenzyloxymethyl)stilbene | —— | C30H28O6 | 484.549 |
二羟基苯甲酸乙酯 | ethyl 3,5-dihydroxybenzoate | 4142-98-7 | C9H10O4 | 182.176 |
3,5-二苄氧基苯甲醇 | 3,5-dibenzyloxybenzyl alcohol | 24131-31-5 | C21H20O3 | 320.388 |
—— | 3-dodecyloxy-5-hydroxybenzyl alcohol | 912815-49-7 | C19H32O3 | 308.461 |
—— | (3,5-bis(hexyloxy)phenyl)methanol | 190371-69-8 | C19H32O3 | 308.461 |
[3,5-双[[3,5-双(苯甲氧基)苯基]甲氧基]苯基]甲醇 | [3,5-Bis-(3,5-bis-benzyloxy-benzyloxy)-phenyl]-methanol | 129536-40-9 | C49H44O7 | 744.884 |
—— | 3-[[3,5-Bis(phenylmethoxy)phenyl]methoxy]-5-(hydroxymethyl)phenol | 129835-71-8 | C28H26O5 | 442.511 |
苯甲醇,3,5-二[[3,5-二[[3,5-二(苯基甲氧基)苯基]甲氧基]苯基]甲氧基]- | [3,5-bis[[3,5-bis[[3,5-bis(phenylmethoxy)phenyl]methoxy]phenyl]methoxy]phenyl]methyl alcohol | 137472-16-3 | C105H92O15 | 1593.88 |
—— | 3-[[3,5-Bis[[3,5-bis(phenylmethoxy)phenyl]methoxy]phenyl]methoxy]-5-(hydroxymethyl)phenol | 278610-81-4 | C56H50O9 | 867.008 |
3,5-二(3,5-二甲氧基苄氧基)苄醇 | 3,5-bis(3,5-dimethoxybenzyloxy)benzyl alcohol | 176650-92-3 | C25H28O7 | 440.493 |
—— | {3,5-Bis[2-(dimethylamino)ethoxy]phenyl}methanol | 919478-15-2 | C15H26N2O3 | 282.383 |
—— | (3,5-bis(dodecyloxy)phenyl)methanol | 199192-20-6 | C31H56O3 | 476.784 |
—— | (3,5-bis(decyloxy)phenyl)methanol | 414861-02-2 | C27H48O3 | 420.676 |
—— | (3,5-bis(octyloxy)phenyl)methanol | 188011-20-3 | C23H40O3 | 364.569 |
—— | (3,5-bis(hexadecyloxy)phenyl)methanol | —— | C39H72O3 | 588.999 |
—— | 3,5-Bis(methoxyethoxyethoxyethoxy)benzyl alcohol | 206049-37-8 | C21H36O9 | 432.511 |
—— | 5-(azidomethyl)benzene-1,3-diol | 908118-10-5 | C7H7N3O2 | 165.151 |