中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
6-苯基己酸甲酯 | 6-phenyl-hexanoic acid methyl ester | 5581-76-0 | C13H18O2 | 206.285 |
6-氧代-8-苯基庚酸 | 6-oxo-8-phenylheptanoic acid | 53668-48-7 | C14H18O3 | 234.295 |
苯已醇 | 6-phenyl-1-hexanol | 2430-16-2 | C12H18O | 178.274 |
1-溴-6-苯基己烷 | (6-bromohexyl)benzene | 27976-27-8 | C12H17Br | 241.171 |
—— | 8-phenyloct-5-enoic acid | 85388-12-1 | C14H18O2 | 218.296 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 8-phenyloctanoate | 30884-34-5 | C15H22O2 | 234.338 |
8-苯基-1-辛醇 | 8-phenyloctan-1-ol | 10472-97-6 | C14H22O | 206.328 |
8-苯基辛酸乙烯酯 | vinyl 8-phenyloctanoate | 63339-71-9 | C16H22O2 | 246.349 |
—— | 8-phenyloctanamide | 124400-98-2 | C14H21NO | 219.327 |
—— | 8-phenyloctanoyl chloride | 61875-56-7 | C14H19ClO | 238.757 |
7-苯甲酰基庚酸 | 8-oxo-8-phenyloctanoic acid | 24314-23-6 | C14H18O3 | 234.295 |
1-溴-8-苯基辛烷 | 1-bromo-8-phenyloctane | 54646-75-2 | C14H21Br | 269.225 |
—— | 7-Benzoyl-oenanthsaeure-methylester | 94204-09-8 | C15H20O3 | 248.322 |
—— | 1,1,1-Trifluoro-9-phenyl-nonan-2-one | —— | C15H19F3O | 272.31 |
—— | N-(cyanomethyl)-8-phenyloctanamide | 1010096-87-3 | C16H22N2O | 258.363 |
Caffeine represents a useful scaffold for the design of monoamine oxidase (MAO) type B inhibitors. Specifically, substitution on the C8 position yields structures which are high-potency MAO-B inhibitors. To explore the structure–activity relationships of MAO-B inhibition by caffeine-derived compounds, this study examines the MAO inhibitory properties of a series of phenylalkylcaffeine analogues.
Employing the recombinant human enzymes, the potencies (IC50 values) by which the caffeine analogues inhibit MAO-A and MAO-B were measured. The reversibility of inhibition of a selected inhibitor was determined by measuring the recovery of enzyme activity after dilution and dialysis of enzyme-inhibitor mixtures.
The results document that the phenylalkylcaffeine analogues are reversible and selective MAO-B inhibitors with a competitive mode of inhibition. The most potent analogue, 8-(7-phenylheptyl)caffeine, exhibits IC50 values for the inhibition of MAO-A and MAO-B of 3.01 μm and 0.086 μm, respectively. Increasing the length of the alkyl side chain leads to enhanced MAO-A and MAO-B inhibitory potency while introduction of a carbonyl group reduces MAO-B inhibitory potency.
Phenylalkylcaffeines represent a new class of high-potency MAO-B inhibitors with the longer alkyl side chains yielding enhanced inhibitory activity. Such compounds may represent useful leads for the development of anti-parkinsonian therapies.
咖啡因是设计单胺氧化酶(MAO)B型抑制剂的有用支架。特别是,C8位上的取代产生的高效MAO-B抑制剂的结构。为了探索咖啡因衍生物对MAO-B抑制的结构-活性关系,本研究检查了一系列苯基烷基咖啡因类似物的MAO抑制特性。
使用重组人酶,测量咖啡因类似物抑制MAO-A和MAO-B的效力(IC50值)。通过测量酶-抑制剂混合物的稀释和透析后酶活性的恢复,确定了一种选定抑制剂的抑制可逆性。
结果表明,苯基烷基咖啡因类似物是具有竞争性抑制模式的可逆和选择性MAO-B抑制剂。最有效的类似物,8-(7-苯基庚基)咖啡因,对MAO-A和MAO-B的抑制的IC50值分别为3.01 μm和0.086 μm。增加烷基侧链的长度可增强MAO-A和MAO-B的抑制效力,而引入羰基则降低MAO-B的抑制效力。
苯基烷基咖啡因代表了一类新的高效MAO-B抑制剂,较长的烷基侧链可提高抑制活性。这类化合物可能成为开发抗帕金森疗法的有用先导。