Synthesis of two novel [2.2]metacyclophanes, 4,6,12,14-tetramethyl and 4,6,12,14-tetramethoxy-1,2,9,10-tetrathia[2.2]metacyclophane
作者:Francesco Bottino、Salvatore Foti、Sebastiano Pappalardo、Paolo Finocchiaro、Mirella Ferrugia
DOI:10.1039/p19790000198
日期:——
novel 1,2,9,10-tetrathia[2.2]metacyclophanes are described, and the 1H n.m.r. and mass spectra of the compounds obtained are discussed. These dimers display high stability to electron impact. The 1H n.m.r. spectra show that the intra-annular aryl protons resonate at dramatically lower field with respect to the corresponding protons in [2.2]metacyclophane (Δδca. 3.6 p.p.m.). Evidence of the ability of
描述了两个新颖的1,2,9,10-四硫杂[2.2]元环烷的合成,并讨论了所得化合物的1 H nmr和质谱。这些二聚体显示出对电子撞击的高度稳定性。的1 H核磁共振谱表明,该环内的芳基的质子在大幅降低场共鸣在[2.2] metacyclophane(Δδ相对于相应的质子CA 3.6 ppm)表示。还报道了四甲氧基衍生物产生包合物的能力,该包合物捕获挥发性有机溶剂。