作者:Tuyen Kim Pham Nguyen、Kim Phi Phung Nguyen、Fadhil S. Kamounah、Wei Zhang、Poul Erik Hansen
DOI:10.1002/mrc.2510
日期:2009.12
Alkylated hydroxyflavothiones, namely flavothione, 5-hydroxyflavothione, 5,7-dihydroxyflavothione (chrysinthione), 7-dodecyloxy-5-hydroxyflavothione, 7-butyloxy-5-hydroxyflavothione, 2',3,4',7-tetramethoxy-5-hydroxyflavothione, 3,3',4',7-tetramethoxy-5-hydroxyflavothione, 7-butyloxy-4',5-dihydroxyflavothione and 7-butyloxy-4',5-hydroxyflavanonethione have been synthesized from the corresponding hydroxyflavones
烷基化的羟基黄酮硫酮,即黄酮硫酮,5-羟基黄酮硫酮,5,7-二羟基黄酮硫酮(chrysinthione),7-十二烷氧基-5-羟基黄酮硫酮,7-丁氧基-5-羟基黄酮硫酮,2',3,4',7-四甲氧基-5-羟基黄酮硫酮在两个步骤中,由烷基化的羟基黄酮合成了3,3',4',7-四甲氧基-5-羟基黄酮硫酮,7-丁氧基-4',5-二羟基黄酮硫酮和7-丁氧基-4',5-羟基黄酮硫酮溴代烷烃或硫酸二甲酯对非氢键合的羟基进行分析,然后在微波辐射和无溶剂条件下使用Lawesson试剂将羰基转化为硫酮。在用Lawesson'处理的过程中,部分烷基化的黄烷酮7-丁氧基-4',5-二羟基黄烷酮被氧化 除了目标产物丁氧基-4',5-羟基黄烷硫酮以外,还可以得到第二种产物7-丁氧基-4',5-二羟基黄烷硫酮。氘同位素对13C化学位移的影响已在羟基黄酮,异黄酮,黄烷酮和硫代类似物中进行了测量。正式的四键氘同位素对13C化学位移的影响,nDeltaC