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Spiro nomenclature

 SSpiro nomenclature A spiro compound is characterized by two or more rings that share a single carbon atom. Spiro Compounds have a prefix spiro which represent two rings with a spiro junction. Numbering in spiro starts from smaller ring but not on spiro junction carbon adjacent to spiro then towards the larger ring. In square brackets carbon numbers are added but in increasing order, first we add small ring carbon number then large ring carbon numbers leaving spiro junction carbon. spiro[4.5]decane not spiro[5.4]decane Substituent given lowest possible number as shown below. Substituent attached at same positions on different rings  Substituent given priority according to alphabatical order and give both substituent possible lowest number. Practice Questions
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Alkane nomenclature

  ALKANES: Alkanes are a family of organic compounds that consist exclusively of carbon (C) and hydrogen (H) atoms bonded together through single covalent bonds.   They are often referred to as " saturated hydrocarbons " because they contain the maximum number of hydrogen atoms possible for a given number of carbon atoms, resulting in a saturated molecular structure. General formula for alkanes:                              CnH2n+2 where "n" represents the number of carbon atoms in the molecule. Alkanes can be linear or branched in their molecular structure, depending on how the carbon atoms are arranged. Properties: Alkanes are relatively inert and non-reactive compounds under normal conditions, as the single bonds between carbon atoms are strong and stable.  They are important as a source of energy, such as in natural gas and petrol...
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Alcohol Nomenclature

Alcohol Nomenclature  Alcohol nomenclature refers to the systematic naming of organic compounds that contain the functional group known as the hydroxyl (-OH) group, which is characteristic of alcohols. Alcohols are a class of organic compounds that can be derived from hydrocarbons by replacing one or more hydrogen atoms with hydroxyl groups. The rules for naming alcohols follow the principles of organic nomenclature, and the IUPAC (International Union of Pure and Applied Chemistry) system is commonly used for systematic naming. key guidelines for naming alcohols: Identify the longest continuous carbon chain: Begin by identifying the longest continuous carbon chain in the molecule. This chain is the parent chain for naming the alcohol. Number the carbon atoms : Number the carbon atoms in the parent chain consecutively, starting from the end nearest to the hydroxyl group. The hydroxyl group should receive the lowest possible number. Identify and name the substituents: Any alkyl or o...
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