The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 2-(2-Bromoethoxy)tetrahydro-2H-pyran(SMILESS: BrCCOC1CCCCO1,cas:17739-45-6) is researched.Application In Synthesis of 2-(2-Bromoethoxy)tetrahydro-2H-pyran. The article 《Towards an Improved Design of MRI Contrast Agents: Synthesis and Relaxometric Characterisation of Gd-HPDO3A Analogues》 in relation to this compound, is published in Chemistry – A European Journal. Let’s take a look at the latest research on this compound (cas:17739-45-6).
The properties of LnIII-HPDO3A complexes as relaxation enhancers and paraCEST agents are essentially related to the hydroxylpropyl moiety. A series of three HPDO3A derivatives, with small modifications to the hydroxyl arm, were herein studied to understand how heightened control can be gained over the parameters involved in the design of these agents. A full 1H and 17O-NMR relaxometric anal. was conducted and demonstrated that increasing the length of the OH group from the lanthanide center significantly enhanced the water exchange rate of the gadolinium complex, but with a subsequent reduction in kinetic stability. Alternatively, the introduction of an addnl. Me group, which increased the steric bulk around the OH moiety, gave almost exclusively the TSAP isomer (95 %) as identified by 1H-NMR of the europium complex. The gadolinium analog of this complex also exhibited a very fast water exchange rate, but with no detectable loss of kinetic stability. This complex therefore demonstrates a notable improvement over Gd-HPDO3A.
There are many compounds similar to this compound(17739-45-6)COA of Formula: C7H13BrO2. if you want to know more, you can check out my other articles. I hope it will help you，maybe you’ll find some useful information.
Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem