对溴甲基苯甲酸是一种苯甲酸类化合物,是重要的结构单元之一,能够转化为多种其他重要的有机化合物。
合成方法对溴甲基苯甲酸可由对溴甲苯通过溴代反应制备得到。
步骤 S1将镁粉、碘粉和四氢呋喃加入反应釜中,并使用氮气进行保护。在转速为 100r/min 和温度为 155℃ 的条件下滴加对溴甲苯,进行回流反应 1h 后,通入二氧化碳至充满反应釜,在温度为 3℃ 的条件下继续反应 30min。加入盐酸溶液,进行反应 1h,制得对甲基苯甲酸。
步骤 S2将步骤 S1 制得的对甲基苯甲酸、N-溴代琥珀酰亚胺和四氯化碳加入反应釜中,在转速为 200r/min 的条件下搅拌至对甲基苯甲酸和 N-溴代琥珀酰亚胺完全溶解后,加入过氧化二苯甲酰。在温度为 80℃ 的条件下进行回流反应 2h,制得对溴甲基苯甲酸。
化学性质白灰片状结晶,熔点为 227.5-229℃。
制备方法异丙基甲苯氧化
溴化
主要用于医药中间体及有机合成原料等。
生产方法将异丙基甲苯经氧化、溴化而得。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
对甲基苯甲酸 | p-Toluic acid | 99-94-5 | C8H8O2 | 136.15 |
4-(溴甲基)苯甲酸乙酯 | 4-carbethoxybenzyl bromide | 26496-94-6 | C10H11BrO2 | 243.1 |
苯甲酸 | benzoic acid | 65-85-0 | C7H6O2 | 122.123 |
对溴甲基苯甲酰溴 | 4-(bromomethyl)benzoyl bromide | 876-07-3 | C8H6Br2O | 277.943 |
对甲基苯甲酸乙酯 | 4-methylbenzoic acid ethyl ester | 94-08-6 | C10H12O2 | 164.204 |
3-溴甲基苯甲酸 | 3-bromomethylbenzoic acid | 6515-58-8 | C8H7BrO2 | 215.046 |
4-溴甲基苯甲酰氯 | 4-bromomethylbenzoyl chloride | 52780-16-2 | C8H6BrClO | 233.492 |
间甲基苯甲酸 | m-Toluic acid | 99-04-7 | C8H8O2 | 136.15 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-溴甲基苯甲酸甲酯 | Methyl 4-(bromomethyl)benzoate | 2417-72-3 | C9H9BrO2 | 229.073 |
对甲基苯甲酸 | p-Toluic acid | 99-94-5 | C8H8O2 | 136.15 |
对醛基苯甲酸 | 4-Carboxybenzaldehyde | 619-66-9 | C8H6O3 | 150.134 |
对苯二甲酸 | phthalic acid | 100-21-0 | C8H6O4 | 166.133 |
4-羟甲基苯甲酸 | 3-hydroxymethyl-benzoic acid | 3006-96-0 | C8H8O3 | 152.15 |
4-(溴甲基)苯甲酸乙酯 | 4-carbethoxybenzyl bromide | 26496-94-6 | C10H11BrO2 | 243.1 |
—— | isopropyl 4-(bromomethyl)benzoate | 28188-39-8 | C11H13BrO2 | 257.127 |
—— | allyl-4-(bromomethyl)benzoate | 155030-52-7 | C11H11BrO2 | 255.111 |
4-甲氧基甲基苯甲酸 | 4-(Methoxymethyl)benzoic acid | 67003-50-3 | C9H10O3 | 166.177 |
4-溴甲基苯甲醛 | 4-(bromomethyl)benzaldehyde | 51359-78-5 | C8H7BrO | 199.047 |
苄基4-(溴甲基)苯甲酸酯 | benzyl α-bromo-p-toluate | 113100-79-1 | C15H13BrO2 | 305.171 |
4-溴 甲基苄基醇 | 4-(bromomethyl)benzyl alcohol | 71831-21-5 | C8H9BrO | 201.063 |
4-乙烯基苯甲酸 | 4-Vinylbenzoic acid | 1075-49-6 | C9H8O2 | 148.161 |
4-溴甲基苯甲酸叔丁酯 | 4-(bromomethyl)benzoic acid 1,1-dimethylethyl ester | 108052-76-2 | C12H15BrO2 | 271.154 |
甲基 4-(甲氧基甲基)苯酸酯 | methyl 4-(methoxymethyl)benzoate | 1719-82-0 | C10H12O3 | 180.203 |
4-疏基甲基苯甲酸 | 4-mercaptomethylbenzoic acid | 39088-65-8 | C8H8O2S | 168.216 |
对氯甲基苯甲酸 | p-(chloromethyl)benzoic acid | 1642-81-5 | C8H7ClO2 | 170.595 |
—— | 4-Bromomethylbenzoic acid r-butyl ester | 86582-55-0 | C12H15BrO2 | 271.154 |
4-氨甲基苯甲酸 | p-aminomethylbenzoic acid | 56-91-7 | C8H9NO2 | 151.165 |
—— | [4-(Bromomethyl)benzoyl] 4-(bromomethyl)benzoate | 207114-27-0 | C16H12Br2O3 | 412.077 |
—— | 4-(fluoromethyl)benzoic acid | 118507-45-2 | C8H7FO2 | 154.141 |
—— | 4-(iodomethyl)benzoic acid | 31719-79-6 | C8H7IO2 | 262.047 |
4-乙氧基甲基苯甲酸 | 4-(ethoxymethyl)benzoic acid | 146781-28-4 | C10H12O3 | 180.203 |
—— | p-Benzyloxymethyl-benzoesaeure | 22714-44-9 | C15H14O3 | 242.274 |
—— | 2-Trimethylsilylethyl 4-(bromomethyl)benzoate | 191987-14-1 | C13H19BrO2Si | 315.282 |
4-异丙氧基甲基-苯甲酸 | 4-isopropoxymethylbenzoic acid | 850021-34-0 | C11H14O3 | 194.23 |
对溴甲基苯甲酰溴 | 4-(bromomethyl)benzoyl bromide | 876-07-3 | C8H6Br2O | 277.943 |
烯丙基-4-羧基苄基醚 | Allyl 4-carboxybenzyl ether | 1061592-33-3 | C11H12O3 | 192.214 |
十六烷基4-(溴甲基)苯甲酸酯 | hexadecyl 4-(bromomethyl)benzoate | 920982-13-4 | C24H39BrO2 | 439.476 |
—— | 4-[(S)-2-methylbutoxycarbonyl]benzylbromide | 83102-77-6 | C13H17BrO2 | 285.181 |
—— | R-2'-methylbutyl-(4-bromomethyl) benzoate | 124770-51-0 | C13H17BrO2 | 285.181 |
4-((2-甲氧基乙氧基)甲基)苯甲酸 | 4-(2-Methoxy-ethoxymethyl)-benzoic acid | 119828-60-3 | C11H14O4 | 210.23 |
—— | 4-ethoxymethyl-benzoic acid ethyl ester | 133017-02-4 | C12H16O3 | 208.257 |
4-(甲基氨基甲基)苯甲酸 | 4-<(methylamino)methyl>benzoic acid | 96084-38-7 | C9H11NO2 | 165.192 |
4-(氰甲基)苯甲酸 | 4-(cyanomethyl)benzoic acid | 50685-26-2 | C9H7NO2 | 161.16 |
4-乙烯基苯甲酸甲酯 | methyl 4-vinylbenzoate | 1076-96-6 | C10H10O2 | 162.188 |
—— | 4,4'-(ethene-1,2-diyl)dibenzoic acid | 793-07-7 | C16H14O4 | 270.285 |
4-丁-3-烯氧基甲基-苯甲酸 | 4-but-3-enyloxymethyl-benzoic acid | 1037159-35-5 | C12H14O3 | 206.241 |
4-乙酰氧基甲基苯甲酸 | p-acetoxymethyl benzoic acid | 15561-46-3 | C10H10O4 | 194.187 |
4,4'-[(E)-1,2-二氮烯二基二(氧基亚甲基)]二苯甲酸 | bis(4-carboxybenzyl)hyponitrite | 223507-96-8 | C16H14N2O6 | 330.297 |
4-(3-丁烯-1-基)苯甲酸 | 4-(but-3-en-1-yl)benzoic acid | 15451-35-1 | C11H12O2 | 176.215 |
—— | nonaethyleneglycol(4-carboxybenzyl) methyl ether | 259226-87-4 | C27H46O12 | 562.655 |
4-(叠氮甲基)苯甲酸 | 4-(azidomethyl)benzoic acid | 79584-03-5 | C8H7N3O2 | 177.162 |
—— | 4-[(nitrooxy)methyl]benzoic acid | 258278-55-6 | C8H7NO5 | 197.147 |
—— | 4-Bromomethyl benzoic acid phenyl ester | 35092-35-4 | C14H11BrO2 | 291.144 |
对氰基甲基苯甲酸甲酯 | methyl 4-(cyanomethyl)benzoate | 76469-88-0 | C10H9NO2 | 175.187 |
4-溴甲基苯甲酰氯 | 4-bromomethylbenzoyl chloride | 52780-16-2 | C8H6BrClO | 233.492 |
—— | 4-(propylthiomethyl)benzoic acid | 1019561-88-6 | C11H14O2S | 210.297 |
—— | 4‐(((2‐hydroxyethyl)thio)methyl)benzoic acid | —— | C10H12O3S | 212.269 |
4-溴甲基苯甲酰胺 | 4-(bromomethyl)benzamide | 58914-40-2 | C8H8BrNO | 214.062 |
—— | 1-bromomethyl-4-(tert-butyloxymethyl)benzene | 939378-19-5 | C12H17BrO | 257.17 |
—— | (2-octyldodecyl) 4-bromomethylbenzoate | 808142-53-2 | C28H47BrO2 | 495.584 |
升对酞酸 | 4-(carboxymethyl)benzoic acid | 501-89-3 | C9H8O4 | 180.16 |
—— | 4-(2-oxopropyl)benzoic acid | 15482-54-9 | C10H10O3 | 178.188 |
—— | α-carbamoyl-p-toluic acid | 52787-17-4 | C9H9NO3 | 179.175 |
—— | 4-(3-oxobutyl)benzoic acid | 74248-66-1 | C11H12O3 | 192.214 |
Fused imidazoles inhibit growth of human cancer cell lines, and the Hsp70 pathway in cells, and induce apoptosis.
The efficacy and side-effects of drugs do not just reflect the biochemical and pharmacodynamic properties of the parent compound, but often comprise of cooperative effects between the properties of the parent and active metabolites. Metabolites of imatinib, nilotinib and midostaurin have been synthesised and evaluated in assays to compare their properties as protein kinase inhibitors with the parent drugs. The N-desmethyl-metabolite of imatinib is substantially less active than imatinib as a BCR-ABL1 kinase inhibitor, thus providing an explanation as to why patients producing high levels of this metabolite show a relatively low response rate in chronic myeloid leukaemia (CML) treatment. The hydroxymethylphenyl and N-oxide metabolites of imatinib and nilotinib are only weakly active as BCR-ABL1 inhibitors and are unlikely to play a role in the efficacy of either drug in CML. The 3-(R)-HO-metabolite of midostaurin shows appreciable accumulation following chronic drug administration and, in addition to mutant forms of FLT3, potently inhibits the PDPK1 and VEGFR2 kinases (IC50 values