@guidechemist · 1K subscribers
M.sc chemistry Csir Net Neet t.me/guidechemist?direct Feel The Chemistry ⚗️🧪 Qualification - #PG #OrganicChemistry ✏️✏️✏️✏️✏️✏️✏
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An osmate ester is the product formed when OsO4 reacts with an alkene via [3+2]-cycloaddition.
What is an Osmate ester ?
What is the energy barrier for chair-to-chair interconversion? Ans.- 11 kcal mol−1 (45 kJ mol−1) 🌐 But remember that this interconversion is achieved by twisting about the bonds (pseudorotation).
Here, The -SF₅ group has an ‘umbrella’ geometry, and the sulfur atom in the -SF₅ group is in an octahedral coordination environment. The presence of an Aliph. aliphatic group makes the fluorines at the edges and the fluorine at the vertex of the octahedron inequivalent in such compounds.
