Electric Literature of 14098-44-3. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 14098-44-3, Name is Benzo-15-crown-5. In a document type is Article, introducing its new discovery.
The Reaction of Polycyclic Alkoxysilylamides of Li, Na, and K with Organic Lewis Bases
Independently of the ligand at the nitrogen atom (tert-butyl or trimethylsilyl) the polycyclic and dimeric lithium (alkoxysilyl)-tert-butylamide 1 or lithium (alkoxysilyl)silylamide 2 react with bases like pyridine, tetrahydrofuran, or dioxane to form the acid-base adducts 1a, 1b, 1c, and 2a of similar structure.An X-ray structure analysis of 1b confirms the base tetrahydrofuran being coordinated by the oxygen to one of the lithium atoms while the other is surrounded by oxygen and nitrogen atoms of the siloxyamide ligand.The two metal atoms have different coordination numbers (3 versus 4), the shorter distances are found at the one
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Chiral Catalysts,
Chiral catalysts – SlideShare