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环羧酸

环羧酸是一类含有一个或多个羧基(-COOH)的有机化合物,其中至少有一个羧基位于环状结构中。这类化合物因其特殊的化学性质和潜在的应用价值,在有机合成、生物医药等领域具有重要意义。

基本定义与结构

环羧酸可以分为单环和多环两类。单环环羧酸最常见的是内酯类化合物(如γ-丁内酯),其中包含一个四元或五元环,并含有至少两个氧原子,其中一个为环氧基团的碳连接有羧基。多环环羧酸则包括更大且更复杂的结构。

化学性质
  1. 酸性:由于羧基的存在,环羧酸通常具有较强的酸性。
  2. 水解与酯化反应:环羧酸容易发生水解生成醇和相应的羧酸盐或酯类化合物。此外,它们也可以用于合成酯和其他衍生物。
  3. 缩合反应:在特定条件下,环羧酸能够参与分子内缩合反应形成更复杂的结构。
应用领域
  1. 药物化学:许多重要的药物含有环羧酸的结构片段,例如某些抗生素和抗病毒药物。
  2. 材料科学:作为聚合物合成中的单体之一,在制备具有特定性能的高分子材料中发挥重要作用。
  3. 生物化工:在生物降解塑料、抗菌剂等领域也有应用。
生产方法

环羧酸可以通过多种途径获得,包括但不限于:

  • 天然产物提取:从植物或微生物来源中分离得到。
  • 化学合成:通过有机合成技术制备,常用的方法包括Diels-Alder反应、Suzuki偶联等。
  • 生物转化法:利用酶催化将其他化合物转化为环羧酸。
总结

环羧酸因其独特的结构和广泛的化学性质,在多个领域内展现出广阔的应用前景。随着研究的深入和技术的进步,未来可能还会有更多基于环羧酸的新材料、新药物被开发出来。

中文名称 英文名称 CAS号 化学式 结构式图片
—— 32014-22-5 C7H7BrNaO3S
—— 4-Cyano-3-fluorophenyl trans-4-propylcyclohexanecarboxylate 90525-57-8 C17H20FNO2
4-Cyano-3-fluorophenyl trans-4-propylcyclohexanecarboxylate
—— [(1S,2R,4S)-1,7,7-trimethyl-2-bicyclo[2.2.1]heptanyl] 2-hydroxybenzoate 560-88-3 C17H22O3
[(1S,2R,4S)-1,7,7-trimethyl-2-bicyclo[2.2.1]heptanyl] 2-hydroxybenzoate
—— 1,2,3,4,5,6-Cyclohexanehexacarboxylic acid, sodium salt (1:5) 50329-18-5 C12H7Na5O12
1,2,3,4,5,6-Cyclohexanehexacarboxylic acid, sodium salt (1:5)
—— 4-(4-Ethylcyclohexyl)-4-methylpentan-2-ol 10534-30-2 C14H28O
4-(4-Ethylcyclohexyl)-4-methylpentan-2-ol
—— 4-isopropyl-α,χ,χ-trimethylcyclohexanepropanol 10534-31-3 C15H30O
4-isopropyl-α,χ,χ-trimethylcyclohexanepropanol
—— Calcium di(benzenesulphonate) 934-54-3 C12H10CaO6S2
Calcium di(benzenesulphonate)
—— 4-[(2-Hydroxy-1-naphthyl)azo]-m-toluenesulphonic acid 18524-46-4 C17H14N2O4S
4-[(2-Hydroxy-1-naphthyl)azo]-m-toluenesulphonic acid
—— 4,5,7-Trihydroxy-9,10-dioxo-9,10-dihydroanthracene-1-carboxylic acid 478-45-5 C15H8O7
4,5,7-Trihydroxy-9,10-dioxo-9,10-dihydroanthracene-1-carboxylic acid
—— (1s,2r,4r)-1,7,7-Trimethylbicyclo[2.2.1]hept-2-yl 2-hydroxybenzoate 560-88-3 C17H22O3
(1s,2r,4r)-1,7,7-Trimethylbicyclo[2.2.1]hept-2-yl 2-hydroxybenzoate
—— (R)-1,1,2-Trimethyl-cyclohexane 7094-26-0 C9H18
(R)-1,1,2-Trimethyl-cyclohexane
—— Azobenzol-4,4'-diessigsaeure 101351-18-2 C16H14N2O4
Azobenzol-4,4'-diessigsaeure
—— Einecs 254-918-3 40434-87-5 C16H18O4S
Einecs 254-918-3
—— methyl 4-(bromomethyl)-2-chlorobenzoate 143572-60-5 C9H8BrClO2
methyl 4-(bromomethyl)-2-chlorobenzoate
—— trans-2-Methyl-cyclohexancarbonsaeure 15177-62-5 C8H14O2
trans-2-Methyl-cyclohexancarbonsaeure
—— ethyl 4-(4-hydroxyphenoxy)benzoate 80622-23-7 C15H14O4
ethyl 4-(4-hydroxyphenoxy)benzoate
—— Methyl-4,6-O-benzyliden-2,3-di-O-p-toluolsulfonyl-α-D-idopyranosid 6748-86-3 C28H30O10S2
Methyl-4,6-O-benzyliden-2,3-di-O-p-toluolsulfonyl-α-D-idopyranosid
—— Methyl-4,6-O-benzyliden-2,3-di-O-(p-tolylsulfonyl)-β-D-galactopyranosid 6748-86-3 C28H30O10S2
Methyl-4,6-O-benzyliden-2,3-di-O-(p-tolylsulfonyl)-β-D-galactopyranosid
—— <i>cis</i>-4-(Hydroxymethyl)cyclohexanecarboxylic Acid 73094-35-6 C8H14O3
<i>cis</i>-4-(Hydroxymethyl)cyclohexanecarboxylic Acid
—— diethyl 2,6-dihydroxyazulene-1,3-dicarboxylate 63615-46-3 C16H16O6
diethyl 2,6-dihydroxyazulene-1,3-dicarboxylate
—— Bornyl salicylate 560-88-3 C17H22O3
Bornyl salicylate
—— 2,4-Difluoro-3-isopropoxyphenylboronic acid 1451390-95-6 C9H11BF2O3
2,4-Difluoro-3-isopropoxyphenylboronic acid
—— (S)-Benzyl 2,6-diaminohexanoate bis(4-methylbenzenesulfonate) 16259-78-2 C27H36N2O8S2
(S)-Benzyl 2,6-diaminohexanoate bis(4-methylbenzenesulfonate)
—— (2-fluoro-4-(methylcarbamoyl)phenyl)boronic acid 874289-23-3 C8H9BFNO3
(2-fluoro-4-(methylcarbamoyl)phenyl)boronic acid
—— Phenol, 4-ethenyl-, benzoate 32568-59-5 C15H14O3
Phenol, 4-ethenyl-, benzoate
—— 2-(2-Methyl-1-piperidinyl)nicotinic acid 1019461-43-8 C12H16N2O2
2-(2-Methyl-1-piperidinyl)nicotinic acid
—— methylaminomethyl-phenyl-3-boronic acid 1146614-39-2 C8H12BNO2
methylaminomethyl-phenyl-3-boronic acid
—— Agenap 1338-24-5 C21H38O4
Agenap
—— [(2R)-2-(2,4-dichlorophenyl)-2-(1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate 113770-65-3 C20H19Cl2N3O5S
[(2R)-2-(2,4-dichlorophenyl)-2-(1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate
—— 4-[difluoro(3,4,5-trifluorophenoxy)Methyl]-4'-pentyl-1,1'-bi(cyclohexyl) 208338-52-7 C24H33F5O
4-[difluoro(3,4,5-trifluorophenoxy)Methyl]-4'-pentyl-1,1'-bi(cyclohexyl)
—— 1,2-dihydrocyclobutabenzene-3,6-dicarboxylic acid 145708-73-2 C10H8O4
1,2-dihydrocyclobutabenzene-3,6-dicarboxylic acid
—— trans-Cyclohexan-1,3-dicarbonsaeure-monomethylester 25090-39-5 C9H14O4
trans-Cyclohexan-1,3-dicarbonsaeure-monomethylester
—— cis-Cyclohexan-1,3-dicarbonsaeure-monomethylester 25090-39-5 C9H14O4
cis-Cyclohexan-1,3-dicarbonsaeure-monomethylester
—— trans-3-(methoxycarbonyl)cyclohexanecarboxylic acid 25090-39-5 C9H14O4
trans-3-(methoxycarbonyl)cyclohexanecarboxylic acid
—— 4-(difluoromethoxy)-3-isopropoxybenzoic acid 159783-48-9 C11H12F2O4
4-(difluoromethoxy)-3-isopropoxybenzoic acid
—— 8-Quinolinol salicylate 2439-07-8 C7H6O3*C9H7NO
8-Quinolinol salicylate
—— (rac)-cis-ethyl 3-hydroxycyclohexanecarboxylate 94160-25-5 C9H16O3
(rac)-cis-ethyl 3-hydroxycyclohexanecarboxylate
—— 4,4'-((9,9-Dioctyl-9H-fluorene-2,7-diyl)bis(ethyne-2,1-diyl))dibenzoic acid 1313187-39-1 C47H50O4
4,4'-((9,9-Dioctyl-9H-fluorene-2,7-diyl)bis(ethyne-2,1-diyl))dibenzoic acid
—— (R)-(1,4-dioxan-2-yl)methyl 4-methylbenzenesulfonate 1067230-84-5 C12H16O5S
(R)-(1,4-dioxan-2-yl)methyl 4-methylbenzenesulfonate
—— 3,3'-[1,3-phenylenebis(ethyne-2,1-diyl)]dibenzoic acid 1224935-34-5 C24H14O4
3,3'-[1,3-phenylenebis(ethyne-2,1-diyl)]dibenzoic acid
—— 4-(2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)ethyl)benzoic acid 203453-80-9 C24H21NO4
4-(2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)ethyl)benzoic acid
—— 2,3-diamino-5-fluorobenzoic acid 177960-38-2 C7H7FN2O2
2,3-diamino-5-fluorobenzoic acid
—— CAY10583 862891-27-8 C25H25NO3
CAY10583
—— 1-ethyl-cyclohexylamine; hydrochloride 90226-26-9 C8H17N*ClH
1-ethyl-cyclohexylamine; hydrochloride
—— 2-phenylcyclohex-2-ene-1-carboxylic acid 24102-01-0 C13H14O2
2-phenylcyclohex-2-ene-1-carboxylic acid
—— 1-azido 2-deoxy-2-acetamido 3,4,6-tri-O-acetyl-β-D-galactopyranoside 39541-20-3 C14H20N4O8
1-azido 2-deoxy-2-acetamido 3,4,6-tri-O-acetyl-β-D-galactopyranoside
—— methyl 2-amino-5-(dimethylamino)benzoate 749863-32-9 C10H14N2O2
methyl 2-amino-5-(dimethylamino)benzoate
—— 3-(2-(methoxycarbonyl)phenyl)propanoic acid 81329-74-0 C11H12O4
3-(2-(methoxycarbonyl)phenyl)propanoic acid
—— 5-(2-hydroxyethoxy)isophthalic acid 152845-29-9 C10H10O6
5-(2-hydroxyethoxy)isophthalic acid
—— Cyclohexane, 1r,2c,4t-tris-ethenyl 2855-27-8 C12H18
Cyclohexane, 1r,2c,4t-tris-ethenyl