In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Precise Control of Both Dispersity and Molecular Weight Distribution Shape by Polymer Blending, published in 2021-08-23, which mentions a compound: 7789-45-9, Name is Cupric bromide, Molecular Br2Cu, HPLC of Formula: 7789-45-9.
The breadth and the shape of mol. weight distributions can significantly influence fundamental polymer properties that are critical for various applications. However, current approaches require the extensive synthesis of multiple polymers, are limited in dispersity precision and are typically incapable of simultaneously controlling both the dispersity and the shape of mol. weight distributions. Here we report a simplified approach, whereby on mixing two polymers (one of high D and one of low D), any intermediate dispersity value can be obtained (e.g. from 1.08 to 1.84). Unrivalled precision is achieved, with dispersity values obtained to even the nearest 0.01 (e.g. 1.37→1.38→1.39→1.40→1.41→1.42→1.43→1.44→1.45), while maintaining fairly monomodal mol. weight distributions. This approach was also employed to control the shape of mol. weight distributions and to obtain diblock copolymers with high dispersity accuracy. The straightforward nature of our methodol. alongside its compatibility with a wide range of polymerization protocols (e.g. ATRP, RAFT), significantly expands the toolbox of tailored polymeric materials and makes them accessible to all researchers.
After consulting a lot of data, we found that this compound(7789-45-9)HPLC of Formula: 7789-45-9 can be used in many types of reactions. And in most cases, this compound has more advantages.
Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem