Quality Control of 4,4-Dipyridyl Disulfide. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 4,4-Dipyridyl Disulfide, is researched, Molecular C10H8N2S2, CAS is 2645-22-9, about A Single-Crystal to Single-Crystal Conversion Scheme for a Two-Dimensional Metal-Organic Framework Bearing Linear Cd3 Secondary Building Units. Author is Chao, Meng-Yao; Chen, Jing; Hao, Zhi-Min; Tang, Xiao-Yan; Ding, Lifeng; Zhang, Wen-Hua; Young, David J.; Lang, Jian-Ping.
The single-crystal to single-crystal (SCSC) conversion of metal-organic frameworks (MOFs) represents a facile route to new MOFs with structures and functionalities that are challenging to obtain by direct synthesis. However, conversion products are often structurally limited for a given precursor. The authors herein report that a two-dimensional (2D) MOF featuring a linear Cd3 cluster secondary building unit (SBU) converts into one type of three-dimensional (3D) interpenetrated and two types of 3-dimensional noninterpenetrated MOFs upon reaction with dipyridyl ligands. One of the interpenetrated 3-dimensional MOFs, in turn, undergoes either ligand substitution to give isoreticular interpenetrated MOFs, or ligand addition to give a self-penetrated 3-dimensional MOF. This rich SCSC conversion library is made possible by the inclined nature of the Cd3 SBU with respect to the 2-dimensional plane of the starting material to create an anisotropic environment around the SBU.
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