避免接触氧化物
4'-羟基联苯-4-羧酸是一种白色粉末状的化工中间体,广泛应用于多种重要化学品的合成。然而,由于其强烈的刺激性,对眼睛、皮肤和呼吸道有严重刺激作用,因此也被视为一种有毒性的化工中间体。
制备 4-乙酰氧基联苯(2)的合成将40.00g(0.235mol)4-羟基联苯溶解于200mL吡啶中,在氮气保护下冷却,滴加24.00g(0.306mol)乙酰氯。滴加完毕后室温搅拌24h,然后将反应液倒入1500mL冰水中析出大量沉淀,抽滤并用水洗涤粗产物,得到米黄色固体。经过正己烷重结晶得白色晶体45.83g,产率为91.9%,熔点为85~86℃。
4′-乙酰氧基-4-乙酰基联苯(3)的合成在500mL三口烧瓶中加入67.92g(0.509mol)无水三氯化铝,滴加40mL二氯甲烷溶解的33.96g(0.433mol)乙酰氯。控制反应温度在10℃左右搅拌40min后,滴加入80mL二氯甲烷溶液中的42.45g(0.20mol)化合物2。滴加完毕室温下继续搅拌21h。将反应液倒入冰水中搅拌分液,并用水层用二氯甲烷萃取(共两次,每次50mL),合并的二氯甲烷层经无水硫酸镁干燥减压浓缩至干,得到的粗产物经过120mL无水乙醇重结晶得无色晶体44.54g,产率为87.6%,熔点为124℃。
4′-苄氧基-4-乙酰基联苯(4)的合成在250mL圆底烧瓶中加入15.00g(0.059mol)化合物3、11.01g(0.087mol)苄氯和3.90g四丁基溴化铵,再加入16.83g(0.30mol)氢氧化钾和45mL氯苯及75mL水回流搅拌6h。冷至室温后用稀盐酸调溶液pH值至中性并加入40mL水减压蒸出氯苯,冷却后抽滤、水洗粗产物,向得到的淡黄色固体中加入120mL异丙醇加热至沸趁热抽滤,得白色片状晶体16.06g,产率为90.0%,熔点为174℃。
4′-苄氧基-4-联苯甲酸(5)的合成在500mL三口烧瓶中加入9.80g(0.032mol)化合物4、5.57g(0.139mol)氢氧化钠和85mL 1,4-二氧六环,搅拌下滴加134mL次氯酸钠溶液(≥9%)。滴加完毕升温至38℃搅拌22h后再升温至80℃搅拌1h稍冷后用稀盐酸将溶液pH调至1析出大量淡黄色沉淀抽滤至干,向粗产物中加入80mL冰醋酸加热至沸冷却抽滤得淡黄色粉末9.05g,产率为93.0%,熔点为211~212℃。
4'-羟基联苯-4-羧酸(1)的合成将4.15g(0.0136mol)化合物5、0.50g 10%Pd/C和50mL N,N-二甲基甲酰胺加入反应瓶中加氢4h后抽滤除去Pd/C,滤液倒入200mL水中析出白色沉淀。抽滤并用水洗涤后得白色粉末2.50g,产率为85.8%。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4’-甲氧基联苯基-4-羧酸 | 4'-methoxy-biphenyl-4-carboxylic acid | 725-14-4 | C14H12O3 | 228.247 |
4-苯基苯甲酸 | biphenyl-4-carboxylic acid | 92-92-2 | C13H10O2 | 198.221 |
4-羟基-4-联苯基羧酸乙酯 | 4-hydroxy-4'-(ethoxycarbonyl)biphenyl | 50670-76-3 | C15H14O3 | 242.274 |
4-丙氧基-4’-二苯甲酸 | 4'-propoxybiphenyl-4-carboxylic acid | 59748-13-9 | C16H16O3 | 256.301 |
4-(戊氧基)-4’-联苯羧酸 | 4'-n-pentyloxybiphenyl-4-carboxylic acid | 59748-15-1 | C18H20O3 | 284.355 |
4-乙酰氧基-联苯-4-羧酸 | 4-methylcarbonyloxybiphenyl-4'-carboxylic acid | 75175-09-6 | C15H12O4 | 256.258 |
4’-氨基-4-联苯基羧酸 | 4-(4-aminophenyl)benzoic acid | 5730-78-9 | C13H11NO2 | 213.236 |
4-(4-甲基苯基)苯酚 | 4'-methyl-biphenyl-4-ol | 26191-64-0 | C13H12O | 184.238 |
1-(4-甲氧基-联苯-4-基)-乙酮 | 1-(4'-methoxy-biphenyl-4-yl)-ethanone | 13021-18-6 | C15H14O2 | 226.275 |
氰基联苯酚 | 4-Cyano-4'-hydroxybiphenyl | 19812-93-2 | C13H9NO | 195.221 |
4’-硝基联苯-4-羧酸 | 4'-nitro-biphenyl-4-carboxylic acid | 92-89-7 | C13H9NO4 | 243.219 |
4-甲氧基-4’-氰基联苯 | 4'-methoxybiphenyl-4-carbonitrile | 58743-77-4 | C14H11NO | 209.247 |
—— | 4'-propoxy-4-methylbiphenyl | 245056-75-1 | C16H18O | 226.318 |
—— | 4-acetoxy-4’-methylbiphenyl | 127783-74-8 | C15H14O2 | 226.275 |
—— | 4'-pentyloxy-4-methylbiphenyl | 245056-76-2 | C18H22O | 254.372 |
4'-氨基磺酰基-4-联苯基羧酸 | 4-sulfobiphenyl-4'-carboxylic acid | 114879-31-1 | C13H10O5S | 278.285 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-羟基-[1,1-联苯]-4-羧酸甲酯 | methyl 4'-hydroxy-4-biphenylcarboxylate | 40501-41-5 | C14H12O3 | 228.247 |
4-乙氧基-4’-联二苯羧酸 | 4'-ethoxy-biphenyl-4-carboxylic acid | 729-18-0 | C15H14O3 | 242.274 |
4-羟基-4-联苯基羧酸乙酯 | 4-hydroxy-4'-(ethoxycarbonyl)biphenyl | 50670-76-3 | C15H14O3 | 242.274 |
4’-甲氧基[1,1’-联苯]-4-甲酸甲酯 | methyl 4-(4'-methoxyphenyl)benzoate | 729-17-9 | C15H14O3 | 242.274 |
—— | 4-(4-(2-hydroxyethoxy)phenyl)benzoic acid | 46994-29-0 | C15H14O4 | 258.274 |
4-丙氧基-4’-二苯甲酸 | 4'-propoxybiphenyl-4-carboxylic acid | 59748-13-9 | C16H16O3 | 256.301 |
4'-(羟基甲基)-4-联苯醇 | 4'-(hydroxymethyl)biphenyl-4-ol | 162957-24-6 | C13H12O2 | 200.237 |
—— | 4-<4-(allyloxy)phenyl>benzoic acid | 93001-09-3 | C16H14O3 | 254.285 |
—— | 4′-hydroxybiphenyl-4-carboxylic acid 2-hydroxyethyl ester | —— | C15H14O4 | 258.274 |
—— | benzyl 4'-hydroxy-biphenyl-4-carboxylate | 117733-16-1 | C20H16O3 | 304.345 |
—— | allyl 4'-hydroxy-1,1'-biphenyl-4-carboxylate | 873011-79-1 | C16H14O3 | 254.285 |
—— | propyl 4-(4-hydroxyphenyl)benzoate | 131802-88-5 | C16H16O3 | 256.301 |
4-丁氧基-4’-联苯羧酸 | 1-(butyloxy)-4'-carboxybiphenyl | 59748-14-0 | C17H18O3 | 270.328 |
4-(4-苯基甲氧基苯基)苯甲酸 | 4'-(benzyloxy)-[1,1'-biphenyl]-4-carboxylic acid | 111153-16-3 | C20H16O3 | 304.345 |
—— | 4'-(2-butenyloxy)-4-biphenylcarboxylic acid | 116209-37-1 | C17H16O3 | 268.312 |
4-(戊氧基)-4’-联苯羧酸 | 4'-n-pentyloxybiphenyl-4-carboxylic acid | 59748-15-1 | C18H20O3 | 284.355 |
4-乙酰氧基-联苯-4-羧酸 | 4-methylcarbonyloxybiphenyl-4'-carboxylic acid | 75175-09-6 | C15H12O4 | 256.258 |
—— | 4-(4-methylbenzyl)-4'-hydroxybiphenyl-4-carboxylate | 178748-98-6 | C21H18O3 | 318.372 |
4-(己氧基)-4’-联苯基羧酸 | 4'-n-hexyloxybiphenyl-4-carboxylic acid | 59748-16-2 | C19H22O3 | 298.382 |
—— | 4‘-(6-hydroxyhexyloxy)biphenyl-4-carboxylic acid | 47304-16-5 | C19H22O4 | 314.381 |
—— | butyl 4'-hydroxybiphenyl-4-carboxylate | 106986-59-8 | C17H18O3 | 270.328 |
4-(庚氧基)-4-联苯基羧酸 | 4-(heptyloxy)-4'-biphenylcarboxylic acid | 59748-17-3 | C20H24O3 | 312.409 |
—— | 4-<4-(4-pentenyloxy)phenyl>benzoic acid | 93001-10-6 | C18H18O3 | 282.339 |
—— | 4'-pentadecyloxy-biphenyl-4-carboxylic acid | 53676-06-5 | C28H40O3 | 424.624 |
4'-正癸氧基联苯-4-羧酸 | 4'-n-Decyloxybiphenyl-4-carboxylic acid | 69367-32-4 | C23H30O3 | 354.489 |
—— | 4'-nonyloxybiphenyl-4-carboxylic acid | 69367-31-3 | C22H28O3 | 340.463 |
4-正辛氧基联苯-4-甲酸 | 4'-octyloxy(1,1'-biphenyl)-4-carboxylic acid | 59748-18-4 | C21H26O3 | 326.436 |
—— | 4'-undecyloxy-biphenyl-4-carboxylic acid | 121627-12-1 | C24H32O3 | 368.516 |
—— | 4'-(11-hydroxyundecyloxy)biphenyl-4-carboxylic acid | 160432-87-1 | C24H32O4 | 384.516 |
—— | 4'-(dodecyloxy)biphenyl-4-carboxylic acid | 53676-04-3 | C25H34O3 | 382.543 |
—— | 4-n-hexadecyloxy-4'-biphenylcarboxylic acid | 53676-07-6 | C29H42O3 | 438.651 |
—— | 4'-octadecyloxy-biphenyl-4-carboxylic acid | 53676-08-7 | C31H46O3 | 466.704 |
—— | 4'-n-tetradecyloxybiphenyl-4-carboxylic acid | 53676-05-4 | C27H38O3 | 410.597 |
—— | pentyl-4'-hydroxybiphenyl-4-carboxylate | 123790-27-2 | C18H20O3 | 284.355 |
—— | 4'(7-octenyloxy)-biphenyl-4-carboxylic acid | 130916-17-5 | C21H24O3 | 324.42 |
—— | hexyl 4'-hydroxybiphenyl-4-carboxylate | 120223-98-5 | C19H22O3 | 298.382 |
—— | 4'-(10-undecen-1-yloxy)-1,1'-biphenyl-4-carboxylic acid | 151419-76-0 | C24H30O3 | 366.5 |
—— | 3'-bromo-4'-hydroxy-biphenyl-4-carboxylic acid | 96462-88-3 | C13H9BrO3 | 293.117 |
—— | 4'-Hydroxy-biphenyl-4-carboxylic acid decyl ester | 116495-55-7 | C23H30O3 | 354.489 |
—— | 4-n-octyloxycarbonyl-4'-hydroxybiphenyl | 106793-62-8 | C21H26O3 | 326.436 |
—— | 4-methoxycarbonyloxybiphenyl-4'-carboxylic acid | 145163-43-5 | C15H12O5 | 272.257 |
—— | methyl 4’-(benzyloxy)-[1,1’-biphenyl]-4-carboxylate | —— | C21H18O3 | 318.372 |
—— | 2-methylbutyl-4-(4-hydroxyphenyl)benzoate | —— | C18H20O3 | 284.355 |
—— | (S)-2-methylbutyl 4'-hydroxybiphenyl-4-carboxylate | 91577-91-2 | C18H20O3 | 284.355 |
—— | 4'-mercapto-biphenyl-4-carboxylic acid | 649770-58-1 | C13H10O2S | 230.287 |
—— | 4'-(4-bromobutoxy)-biphenyl-4-carboxylic acid methyl ester | 235110-91-5 | C18H19BrO3 | 363.251 |
—— | methyl 4'-(6-hydroxyhexyloxy)-[1,1'-biphenyl]-4-carboxylate | 47369-07-3 | C20H24O4 | 328.408 |
—— | 4'-octyloxy-biphenyl-4-carboxylic acid methyl ester | 61922-30-3 | C22H28O3 | 340.463 |
—— | 4'-(6-bromohexyloxy)-biphenyl-4-carboxylic acid methyl ester | 179162-96-0 | C20H23BrO3 | 391.305 |
—— | 4-(4-Hydroxyphenyl)benzoyl chloride | 499239-74-6 | C13H9ClO2 | 232.666 |
—— | 4'-(8-bromooctyloxy)-biphenyl-4-carboxylic acid methyl ester | 179165-42-5 | C22H27BrO3 | 419.359 |
—— | 4'-hexyloxy-biphenyl-4-carboxylic acid ethyl ester | 61922-48-3 | C21H26O3 | 326.436 |
—— | 4’-hydroxybiphenyl-4-carboxamide | 182318-78-1 | C13H11NO2 | 213.236 |
—— | ethyl-4'-n-octyloxybiphenyl-4-carboxylate | 61922-31-4 | C23H30O3 | 354.489 |
—— | ethyl 4-(n-decyloxy)biphenyl-4′-carboxylate | 62724-35-0 | C25H34O3 | 382.543 |
—— | (S)-1-methylheptyl 4'-hydroxybiphenyl-4-carboxylate | 111153-19-6 | C21H26O3 | 326.436 |
—— | 4'-hydroxy-biphenyl-4-carboxylic acid (R)-1-methyl-heptyl ester | 121687-76-1 | C21H26O3 | 326.436 |
—— | 4'-(6-(acryloyloxy)hexyloxy)biphenyl-4-carboxylic acid | 134903-88-1 | C22H24O5 | 368.43 |
—— | 4'-hydroxy-4-(1-methyl-heptyloxycarbonyl)biphenyl | 126933-13-9 | C21H26O3 | 326.436 |
—— | benzyl 4'-(benzyloxy)biphenyl-4-carboxylate | 141285-38-3 | C27H22O3 | 394.47 |
—— | (4'-{[(undecyl)carbonyl]oxy})-4-biphenylcarboxylic acid | 113943-01-4 | C25H32O4 | 396.527 |
—— | 4'-(tert-butyldimethylsilanyloxy)biphenyl-4-carboxylic acid | 331720-31-1 | C19H24O3Si | 328.483 |
—— | 4'-(2-methacryloyloxy-1-ethoxy)biphenyl-4-carboxylic acid | 148357-89-5 | C19H18O5 | 326.349 |
—— | Ethyl 4-[4-[6-(3-hydroxyphenoxy)hexoxy]phenyl]benzoate | 878002-90-5 | C27H30O5 | 434.532 |
—— | 4-[4'-(10-decenylcarbonyloxy)phenyl]benzoic acid | 133641-67-5 | C24H28O4 | 380.484 |
—— | 4-(4-hydroxyphenyl)-N-methylbenzamide | 1421969-43-8 | C14H13NO2 | 227.263 |
—— | 4'-hydroxy-4-chloromethylbiphenyl | —— | C13H11ClO | 218.683 |
—— | 4'-(11-methacryloyloxy-1-undecyloxy)biphenyl-4-carboxylic acid | 540473-54-9 | C28H36O5 | 452.591 |
—— | 4-methoxyphenyl 4-<4-(allyloxy)phenyl>benzoate | 93039-02-2 | C23H20O4 | 360.409 |
—— | [(3R)-3-methyl-4-[4-(4-pent-4-enoxyphenyl)benzoyl]oxybutyl] 4-(4-pent-4-enoxyphenyl)benzoate | 1276031-85-6 | C41H44O6 | 632.797 |
—— | 4-hydroxyphenyl 4-octyloxybiphenyl-4'-carboxylate | 104632-05-5 | C27H30O4 | 418.533 |
—— | (9R)-9-methyl-7,12,22,31-tetraoxapentacyclo[30.2.2.22,5.214,17.218,21]dotetraconta-1(35),2(42),3,5(41),14,16,18,20,32(36),33,37,39-dodecaene-6,13-dione | 1276031-86-7 | C39H42O6 | 606.759 |
—— | 4-[4-(6-Prop-2-enoyloxyhexanoyloxy)phenyl]benzoic acid | 951769-00-9 | C22H22O6 | 382.413 |
—— | 4'-[(S)-2-propoxypropanoyloxy]biphenyl-4-carboxylic acid | 124257-13-2 | C19H20O5 | 328.365 |
—— | 4'-(2-propenyloxy)-[1,1'-biphenyl]-4-carbonyl chloride | 130566-95-9 | C16H13ClO2 | 272.731 |
—— | 4-(3-Acetyl-4-hydroxyphenyl)benzoic acid | 889946-75-2 | C15H12O4 | 256.258 |
—— | 4'-(2-tetrahydropyranyloxy)biphenyl-4-carboxylic acid | 260554-28-7 | C18H18O4 | 298.339 |
—— | 4'-hexyloxy-4-biphenylcarboxylic acid chloride | 62918-49-4 | C19H21ClO2 | 316.828 |
—— | 4’-(carbamoyl)biphenyl-4-hydroxycarbamic chloride | 1421969-46-1 | C14H10ClNO3 | 275.691 |
—— | 4-decyloxybiphenyl-4'-carboxylic acid chloride | 104909-18-4 | C23H29ClO2 | 372.935 |
—— | 4-(4-octoxyphenyl)benzoyl chloride | 62918-50-7 | C21H25ClO2 | 344.881 |
—— | 4'-[4-[4-(4'-carboxy-biphenyl-4-yloxy)-phenylsulfonyl]-phenoxy]-biphenyl-4-carboxylic acid | —— | C38H26O8S | 642.686 |
—— | 4'-dimethylthexylsilyloxy-biphenyl-4-carboxylic acid | 189456-61-9 | C21H28O3Si | 356.537 |
—— | methyl 3'-acetyl-4'-hydroxy-[1,1'-biphenyl]-4-carboxylate | 1632171-05-1 | C16H14O4 | 270.285 |
—— | (S)-(-)-2-methylbutyl 4'-(12-methacryloyloxydodecyloxy)biphenyl-4-carboxylate | 635673-74-4 | C34H48O5 | 536.752 |
—— | (S)-4'-<(2-methyl-1-butoxy)carbonyl>biphenyl-4-yl 4-<4-(allyloxyl)phenyl>benzoate | 93001-04-8 | C34H32O5 | 520.625 |