Synthesis, properties and solid state structure of 5-diphenylphosphino-2-hydroxy-1,3-xylyl-18-crown-5
作者:Rex A. Corbin、Todd W. Crabill、Bruce N. Storhoff、John C. Huffman
DOI:10.1002/jhet.5570430427
日期:2006.7
parameters for OH and O− substituents. Addition of Na+ or K+ to the OH derivative has little effect on this stretching frequency, but the former ion shifts the O− derivative band to 2067.7 cm−1 A solid state structure has been obtained of the OH derivative, and two independent molecules were found in the unit cell. Both have a single water molecule hydrogen bonded to two across-ring oxygen atoms and the phenol
5-二苯基膦基-2-羟基-1,3-二甲苯基-18-皇冠-5是由5-溴-2-羟基-18-皇冠-5通过在低温下与正丁基锂按顺序反应而合成的。甲基二苯基膦酸酯。此苯酚膦的磷施主性质(OH衍生物)和对应的苯酚(O -衍生物)已经通过确定A的频率中的碱金属离子的存在下和不存在下研究了1 ν(CO)的Ni的频带(CO )3个大号络合物。用于OH和O -衍生物,后者通过加入的CsOH的前者产生的ν(CO)频带在2067.6和2063.4厘米观察-1,分别提供由哈米特参数OH和O所预测的趋势-取代基。钠的加成+或K +与OH衍生物对这种拉伸频率的影响不大,但前者离子移将O -衍生物频带2067.7厘米-1的固态结构已经获得OH衍生物,以及两个独立的分子在晶胞中被发现。两者都具有结合到两个跨环氧原子和苯酚氢上的单个水分子氢。冠醚环具有通常的薄纱和CC和C O键的反排列。