Instructions: į Rewrite the given information in the form of a reaction scheme*. - Place the main reactant's on the left side of the equation. Provide the skeletal structure of the reacting organic compounds. - Place the catalysts/solvents/conditions above or below the reaction arrow. - Draw the skeletal structure of the predicted major product/s on the right side of the equation. ii. Propose a feasible reaction mechanism for the formation of the predicted major product from the starting material. Observe the proper construction of reaction mechanisms (arrow positioning, types of arrow heads, lone pair electrons, charges, entry/exit of chemical species, etc.). You may also provide a brief explanation (NMT 5 sentences) for your answer. NOTE: Stereoselectivity and regioselectivity of reactions must be observed, whenever applicable. Show the stereochemistry of the compounds using solid- and hashed-wedged bonds. Incorrect isomers will not be considered. "example for i: reactant: (R)-butan-2-ol reagents: (1) phosphorus tribromide in pyridine with heating, then (2) sodium methoxide in methanol Given: 1. reactant: 1-chloro-3-ethyl-2-methylbenzene reagents/conditions: potassium amide in liquid ammonia, -30°C 2. reactant: (1Z,3R)-1-ethylidene-3-methylcyclopentane reagents/conditions: di-tert-butyl peroxide and hydrochloric acid, UV light
Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
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