Synthesis and Spectroscopic Characterization of Selected Phenothiazines and Phenazines Rationalized Based on DFT Calculation
作者:Daniel Swoboda、Jacek E. Nycz、Nataliya Karaush-Karmazin、Boris Minaev、Maria Książek、Joachim Kusz、Radosław Podsiadły
DOI:10.3390/molecules27217519
日期:——
characteristics of 10H-phenothiazine derivatives, the high-quality crystals of (4a,12a-dihydro-12H-benzo[5,6][1,4]thiazino[2,3-b]quinoxalin-12-yl)(phenyl)methanone (1) and selected phenazines 5,12-diisopropyl-3,10-dimethyldipyrido[3,2-a:3′,2′-h]phenazine (5) and 5-isopropyl-N,N,3-trimethylpyrido[3,2-a]phenazin-10-amine (6a) were obtained. The structures of molecules 1, 2a, 2-mercapto-5,5-dimethyl-1,3,2-dioxaphosphinane
从 10 H-吩噻嗪的磷酸化反应中分离出两个独特的结构。5,5-二甲基-2-(10 H-吩噻嗪-10-基)-1,3,2-二氧杂膦烷 2-氧化物 ( 2a ) 说明了吩噻嗪的N-磷酸化产物。此外,2a不稳定性的潜在产物硫代磷酸2b已成功分离并进行了结构表征。分子2a与亚砜衍生物3类似,由于存在 d-pπ 键而具有有趣的磷光特性。X 射线、NMR 和 DFT 计算研究表明化合物2a表现出端基异构效应。此外,还详细阐述了所选对称和不对称吡啶包埋吩嗪的合成。为了比较磷和硫原子对 10 H-吩噻嗪衍生物结构特征的影响,(4a,12a-dihydro-12 H - benzo[5,6][1,4]thiazino[2]的高质量晶体,3- b ]quinoxalin-12-yl)(phenyl)methanone ( 1 ) and selected phenazines 5,12-diisopropyl-3