1-Acyl-5-methoxy-8-nitro-1,2-dihydroquinoline: a biologically useful photolabile precursor of carboxylic acids
作者:Naoko Obi、Atsuya Momotake、Yuya Kanemoto、Masanori Matsuzaki、Haruo Kasai、Tatsuo Arai
DOI:10.1016/j.tetlet.2009.12.081
日期:2010.3
The synthesis, photochemistry, and biological application of 1-acyl-5-methoxy-8-nitro-1,2-dihydroquinoline (MNDQ-caged carboxylic acid) are described. Optimization experiments were carried out on three acetyl derivatives (3a–c), and the most appropriate analogue for application to the caging of glutamate was determined to be 3c. Thus, a MNDQ-caged glutamate (MNDQ-Glu) was synthesized, and the photochemical
描述了1-酰基-5-甲氧基-8-硝基-1,2-二氢喹啉(MNDQ笼蔽的羧酸)的合成,光化学和生物学应用。对三种乙酰基衍生物(3a - c)进行了优化实验,确定适用于谷氨酸笼养的最合适的类似物为3c。因此,合成了MNDQ笼罩的谷氨酸盐(MNDQ-Glu),并且通过NMR,MS和HPLC分析证实了通过将MNDQ-Glu解笼而引起的谷氨酸的光化学释放。当在海马切片中用锥体神经元测试MNDQ-Glu时,由于释放了MNDQ-Glu,因此全场UV照射导致大的内向电流。升谷氨酸盐。在单个树突棘上,MNDQ-Glu的短两光子解笼诱导了一个瞬态电流,该瞬态电流表现出与微型兴奋性突触后突触电流(mEPSC)类似的动力学特性。