Discovery of 1,4,7,10,13-Pentaoxacyclopentadecane

Application of 33100-27-5. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 33100-27-5, Name is 1,4,7,10,13-Pentaoxacyclopentadecane. In a document type is Article, introducing its new discovery.

Some ion-formation processes during fast atom bombardment (FAB) are discussed, especially the possibility of reactions in the gas phase.Divided (two halves) FAB probe tips were used for introducing two different samples into the source at the same time.Our results showed + ions (where M = crown ethers and A = alkali metal ions), can be produced, at least in part, in the gas phase when crown ethers and sources of alkali metal ion are placed on two halves of the FAB probe tips.The extent of this ion formation depends on the volatility of the crown ether and on steric factors.Cluster ions such as (M + LiCl)Li+, (2M + LiCl)Li+, <2M + K>+ and <2M + Na>+ are also observed to form in the gas phase.Unimolecular decompositions contribute to some ions detected in FAB.When the alkali ion salt and the crown ether are mixed together the probability of + ion formation increases significantly, regardless of the volatility of the crown ether.

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Reference：
Chiral Catalysts,
Chiral catalysts – SlideShare