苯酞是一种白色固体,可溶于醇、醚和热水,极微溶于冷水。它可用作精细化学品的中间体,并用于有机合成中,如多虑平药物及染料还原棕BR等。
化学性质苯酞为白色固体,熔点72~74℃,沸点290℃,相对密度1.636,难溶于水,易溶于甲苯等有机溶剂。
用途苯酞是杀菌剂苯氧菌酯的中间体。此外,它还用作精细化学品的中间体,生产染料中间体1,4-二氯蒽醌、1-氯蒽醌,抗凝血药苯基茚满二酮,杀菌剂四氯苯酞,以及抗焦虑药多虑平等。
用途苯酞同样用作有机合成中间体,用于合成多虑平药物及染料还原棕BR等。
生产方法苯酞由邻苯二甲酰亚胺还原制得。具体步骤为:将锌粉投入氢氧化钠溶液中,冷却至5℃以下,加入硫酸铜溶液,在搅拌下慢慢加入邻苯二甲酰亚胺,控制温度不超过8℃,加毕后在5-8℃保温1.5小时。随后升温排氨3小时,冷却后过滤,滤液用浓盐酸中和至pH=1,加热煮沸1小时,搅拌冷却结晶,过滤,水洗至中性,低温干燥,最终得到含量95%的苯酞,收率为80%。
生产方法另一种制备方法是将苯二甲酰亚胺在氢氧化钠溶液中与少量铜活化的锌粉进行还原反应,在温度不超过8℃的情况下得到产品。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
苯酐 | phthalic anhydride | 85-44-9 | C8H4O3 | 148.118 |
邻甲基苯甲酸甲酯 | 2-Methyl-benzoic acid methyl ester | 89-71-4 | C9H10O2 | 150.177 |
2-羟基甲基苯甲酸甲酯 | methyl 2-hydroxymethylbenzoate | 41150-46-3 | C9H10O3 | 166.177 |
2-醛基苯甲酸甲酯 | methyl o-formylbenzoate | 4122-56-9 | C9H8O3 | 164.161 |
5-溴苯酞 | 5-bromophthalide | 64169-34-2 | C8H5BrO2 | 213.03 |
3-羟基异苯并呋喃-1(3H)-酮 | 3-hydroxy-1(3H)-isobenzofuranone | 16859-59-9 | C8H6O3 | 150.134 |
2-甲氧甲基苯甲酸 | 2-(methoxymethyl)benzoic acid | 88550-19-0 | C9H10O3 | 166.177 |
邻苯二甲酸单甲酯 | Monomethyl phthalate | 4376-18-5 | C9H8O4 | 180.16 |
邻苯二甲酸二甲酯 | phthalic acid dimethyl ester | 131-11-3 | C10H10O4 | 194.187 |
对甲苯甲酸 | ortho-methylbenzoic acid | 118-90-1 | C8H8O2 | 136.15 |
2-(羟基甲基)苯甲酸 | 2-(hydroxymethyl)benzoic acid | 612-20-4 | C8H8O3 | 152.15 |
邻甲基苯甲酸乙酯 | ethyl 2-methylbenzoate | 87-24-1 | C10H12O2 | 164.204 |
—— | benzyl α-bromo-o-toluate | 115975-28-5 | C15H13BrO2 | 305.171 |
邻羧基苯甲醛 | 2-Formylbenzoic acid | 119-67-5 | C8H6O3 | 150.134 |
2-醛基苯甲酸乙酯 | ethyl 2-formylbenzoate | 34046-43-0 | C10H10O3 | 178.188 |
邻苯二甲酸 | benzene-1,2-dicarboxylic acid | 88-99-3 | C8H6O4 | 166.133 |
3-硫代-3H-异苯并呋喃-1-酮 | 3-thioxo-3H-isobenzofuran-1-one | 13699-68-8 | C8H4O2S | 164.185 |
3-溴苯酞 | 3-Bromophthalide | 6940-49-4 | C8H5BrO2 | 213.03 |
(1-氧代-1,3-二氢异苯并呋喃-5-基)羰酰氯 | 5-chloroformylphthalide | 227954-90-7 | C9H5ClO3 | 196.59 |
—— | isopropyl 2-formylbenzoate | —— | C11H12O3 | 192.214 |
邻苯二甲酸单乙酯 | monoethyl phthalate | 2306-33-4 | C10H10O4 | 194.187 |
3-氯苯酞 | 3-chloro-1(3H)-isobenzofuranone | 6295-21-2 | C8H5ClO2 | 168.579 |
邻苯二甲酸二乙酯 | Diethyl phthalate | 84-66-2 | C12H14O4 | 222.241 |
2-溴甲基苯甲酸甲酯 | methyl 2-bromomethylbenzoate | 2417-73-4 | C9H9BrO2 | 229.073 |
3-甲氧基苯酞 | 3-methoxy-3H-isobenzofuran-1-one | 4122-57-0 | C9H8O3 | 164.161 |
2-(羟甲基)苯甲醛 | 2-(hydroxymethyl)benzaldehyde | 55479-94-2 | C8H8O2 | 136.15 |
2,4,6-三甲基苯甲酸 | mesitylenecarboxylic acid | 480-63-7 | C10H12O2 | 164.204 |
2-氯甲基苯甲酸乙酯 | ethyl 2-(chloromethyl)benzoate | 1531-78-8 | C10H11ClO2 | 198.649 |
2-(溴甲基)苯甲酸乙酯 | 2-ethoxycarbonylbenzyl bromide | 7115-91-5 | C10H11BrO2 | 243.1 |
2-溴甲基苯甲酸 | 2-(bromomethyl)benzoic acid | 7115-89-1 | C8H7BrO2 | 215.046 |
—— | 59567-93-0 | C9H8N2O2 | 176.175 | |
1,3-二氢异苯并呋喃 | 1,3-dihydroisobenzofuran | 496-14-0 | C8H8O | 120.151 |
2-(氯羰基)苯甲酸甲酯 | phthalic monoacid monomethyl ester chloride | 4397-55-1 | C9H7ClO3 | 198.606 |
1,4-二(苯基-d5)苯 | 2-<(methylseleno)methyl>benzoic acid | 78482-08-3 | C9H10O2Se | 229.137 |
3,3-二氯-异苯并呋喃-1-酮 | 3,3-dichlorophthalide | 601-70-7 | C8H4Cl2O2 | 203.025 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
苯酐 | phthalic anhydride | 85-44-9 | C8H4O3 | 148.118 |
—— | benzyl 2-(hydroxymethyl)benzoate | 365534-57-2 | C15H14O3 | 242.274 |
2-苯甲酰氧基甲基苯甲酸 | 2-(benzoyloxymethyl)benzoic acid | 58249-83-5 | C15H12O4 | 256.258 |
—— | benzyl 2-formylbenzoate | 113674-51-4 | C15H12O3 | 240.258 |
—— | Benzyl 2-<(benzyloxy)methyl>benzoate | 119367-88-3 | C22H20O3 | 332.399 |
1-氧代-1,3-二氢异苯并呋喃-5-甲醛 | 1-oxo-1,3-dihydro-2-benzofuran-5-carbaldehyde | 333333-34-9 | C9H6O3 | 162.145 |
邻甲基苯甲酸甲酯 | 2-Methyl-benzoic acid methyl ester | 89-71-4 | C9H10O2 | 150.177 |
2-羟基甲基苯甲酸甲酯 | methyl 2-hydroxymethylbenzoate | 41150-46-3 | C9H10O3 | 166.177 |
2-醛基苯甲酸甲酯 | methyl o-formylbenzoate | 4122-56-9 | C9H8O3 | 164.161 |
2-(甲氧基甲基)苯甲酸甲酯 | methyl 2-(methoxymethyl)benzoate | 942-57-4 | C10H12O3 | 180.203 |
5-溴苯酞 | 5-bromophthalide | 64169-34-2 | C8H5BrO2 | 213.03 |
3-羟基异苯并呋喃-1(3H)-酮 | 3-hydroxy-1(3H)-isobenzofuranone | 16859-59-9 | C8H6O3 | 150.134 |
6-氯-1(3h)-异苯并呋喃酮 | 6-chlorophthalide | 19641-29-3 | C8H5ClO2 | 168.579 |
6-碘-3H-异苯并呋喃-1-酮 | 6-iodophthalide | 53910-10-4 | C8H5IO2 | 260.031 |
—— | 2-((benzyloxy)methyl)benzoic acid | 119367-89-4 | C15H14O3 | 242.274 |
2-甲氧甲基苯甲酸 | 2-(methoxymethyl)benzoic acid | 88550-19-0 | C9H10O3 | 166.177 |
6-溴-3H-异苯并呋喃-1-酮 | 6-bromophthalide | 19477-73-7 | C8H5BrO2 | 213.03 |
6-氨基四氯苯酞 | 6-aminophthalide | 57319-65-0 | C8H7NO2 | 149.149 |
6-氰基苯酞 | 6-cyanophthalide | 89877-62-3 | C9H5NO2 | 159.144 |
对甲苯甲酸 | ortho-methylbenzoic acid | 118-90-1 | C8H8O2 | 136.15 |
2-(羟基甲基)苯甲酸 | 2-(hydroxymethyl)benzoic acid | 612-20-4 | C8H8O3 | 152.15 |
邻羧基苯甲醛 | 2-Formylbenzoic acid | 119-67-5 | C8H6O3 | 150.134 |
—— | 4-methoxybenzyl 2-(hydroxymethyl)benzoate | —— | C16H16O4 | 272.301 |
2-(羟甲基)苯甲酸乙酯 | ethyl 2-(hydroxymethyl)benzoate | 41071-33-4 | C10H12O3 | 180.203 |
邻苯二甲酸 | benzene-1,2-dicarboxylic acid | 88-99-3 | C8H6O4 | 166.133 |
—— | 2-((benzyloxy)methyl)benzaldehyde | 119367-65-6 | C15H14O2 | 226.275 |
3-溴苯酞 | 3-Bromophthalide | 6940-49-4 | C8H5BrO2 | 213.03 |
—— | allyl 2-(hydroxymethyl)benzoate | —— | C11H12O3 | 192.214 |
—— | 2-(methylthiomethoxymethyl)benzoic acid | 93612-82-9 | C10H12O3S | 212.269 |
3-氯苯酞 | 3-chloro-1(3H)-isobenzofuranone | 6295-21-2 | C8H5ClO2 | 168.579 |
4-溴-2-苯并呋喃-1(3H)-酮 | 4-bromoisobenzofuran-1(3H)-one | 102308-43-0 | C8H5BrO2 | 213.03 |
2-氯甲基苯甲酸甲酯 | methyl 2-(chloromethyl)benzoate | 34040-62-5 | C9H9ClO2 | 184.622 |
2-苯甲酰基氧基甲基苯甲酰氯 | 2-(benzoyloxymethyl)benzoyl chloride | 58249-87-9 | C15H11ClO3 | 274.704 |
4-羟基异苯并呋喃-1(3h)-酮 | 4-hydroxy-3H-isobenzofuran-1-one | 13161-32-5 | C8H6O3 | 150.134 |
—— | 6-(trifluoromethyl)isobenzofuran-1(3H)-one | 481075-47-2 | C9H5F3O2 | 202.133 |
—— | 2-(chloroacetoxymethyl)benzoic acid | 163152-10-1 | C10H9ClO4 | 228.632 |
3-甲氧基苯酞 | 3-methoxy-3H-isobenzofuran-1-one | 4122-57-0 | C9H8O3 | 164.161 |
2-甲基苯甲酸丁酯 | butyl 2-methylbenzoate | 65382-88-9 | C12H16O2 | 192.258 |
4-氨基苯酞 | 4-aminophthalide | 59434-19-4 | C8H7NO2 | 149.149 |
—— | 2-((naphthalen-2-ylmethoxy)methyl)benzoic acid | 1504584-76-2 | C19H16O3 | 292.334 |
2-(羟甲基)苯甲醛 | 2-(hydroxymethyl)benzaldehyde | 55479-94-2 | C8H8O2 | 136.15 |
—— | 2-(prenyloxymethyl)benzoic acid | 850848-05-4 | C13H16O3 | 220.268 |
—— | 2-((4-methoxybenzyloxy)methyl)benzoic acid | 1154955-09-5 | C16H16O4 | 272.301 |
—— | 2-iodomethylbenzoic acid | 84197-41-1 | C8H7IO2 | 262.047 |
2-氯甲基苯甲酸乙酯 | ethyl 2-(chloromethyl)benzoate | 1531-78-8 | C10H11ClO2 | 198.649 |
邻氰甲基苯甲酸甲酯 | 2-cyanomethylbenzoic acid methyl ester | 5597-04-6 | C10H9NO2 | 175.187 |
2-甲基-5-溴苯甲酸甲酯 | methyl 2-methyl-5-bromobenzoate | 79669-50-4 | C9H9BrO2 | 229.073 |
—— | 4-chlorophthaladehydic acid | 70097-46-0 | C8H5ClO3 | 184.579 |
2-(溴甲基)苯甲酸乙酯 | 2-ethoxycarbonylbenzyl bromide | 7115-91-5 | C10H11BrO2 | 243.1 |
2-溴甲基苯甲酸 | 2-(bromomethyl)benzoic acid | 7115-89-1 | C8H7BrO2 | 215.046 |
—— | 6-chloro-3-hydroxyisobenzofuran-1(3H)-one | 70097-48-2 | C8H5ClO3 | 184.579 |
2-(氨基甲基)苯甲酸 | 2-(aminomethyl)-benzoic acid | 25672-97-3 | C8H9NO2 | 151.165 |
3-乙氧基-1(3H)-异苯并呋喃酮 | 3-ethoxy-3H-isobenzofuran-1-one | 16824-02-5 | C10H10O3 | 178.188 |
—— | 6-bromo-3-hydroxyisobenzofuran-1(3H)-one | 1225206-60-9 | C8H5BrO3 | 229.03 |
—— | 6-[(tert-Butyldimethylsilyl)oxymethyl]-1(3H)-isobenzofuranone | 452978-23-3 | C15H22O3Si | 278.423 |
1,3-二氢异苯并呋喃 | 1,3-dihydroisobenzofuran | 496-14-0 | C8H8O | 120.151 |
—— | 2-(levulinyloxymethyl)benzoic acid | 189256-18-6 | C13H14O5 | 250.251 |
5-溴-2-甲酰基苯甲酸甲酯 | methyl 5-bromo-2-formylbenzoate | 1016163-89-5 | C9H7BrO3 | 243.057 |
3,3-二甲基-2-苯并呋喃-1(3H)-酮 | 3,3-Dimethyl-3H-isobenzofuran-1-one | 1689-09-4 | C10H10O2 | 162.188 |
—— | 7-cyano-3-hydroxyphthalide | 1378824-70-4 | C9H5NO3 | 175.144 |
—— | (E)-methyl 2-styrylbenzoate | 38453-72-4 | C16H14O2 | 238.286 |
3-氰苯酞 | 3-oxo-1,3-dihydroisobenzofuran-1-carbonitrile | 27613-27-0 | C9H5NO2 | 159.144 |
N-(3-氧代-1H-2-苯并呋喃-5-基)乙酰胺 | 6-acetylaminophthalide | 21626-90-4 | C10H9NO3 | 191.186 |
—— | methyl 2-(azidomethyl)benzoate | 329781-57-9 | C9H9N3O2 | 191.189 |
—— | 2-{[(4-methoxybenzyl)oxy]methyl}benzaldehyde | —— | C16H16O3 | 256.301 |
1,4-二(苯基-d5)苯 | 2-<(methylseleno)methyl>benzoic acid | 78482-08-3 | C9H10O2Se | 229.137 |
—— | (R)-3-phenylisobenzofuran-1(3H)-one | 87481-14-9 | C14H10O2 | 210.232 |
—— | (S)-3-phenylisobenzofuran-1(3H)-one | —— | C14H10O2 | 210.232 |
4-甲氧基-2-苯并呋喃-1(3H)-酮 | 4-methoxyphthalide | 4792-33-0 | C9H8O3 | 164.161 |
2-(氰基甲基)苯甲酸 | 2-cyanomethylbenzoic acid | 6627-91-4 | C9H7NO2 | 161.16 |
—— | 3,3'-oxybis(isobenzofuran-1(3H)-one) | 65543-72-8 | C16H10O5 | 282.252 |
2-甲基-5-溴苯甲酸 | 5-bromo-2-methylbenzoic acid | 79669-49-1 | C8H7BrO2 | 215.046 |
—— | (Z)-3-ethylideneisobenzofuran-1(3H)-one | 4767-62-8 | C10H8O2 | 160.172 |
—— | (E)-3-ethylidenephthalide | 4767-63-9 | C10H8O2 | 160.172 |
—— | 2-<(4-methoxycarbonyl)phenoxymethyl>benzoic acid | 113836-33-2 | C16H14O5 | 286.284 |