Organic 2 Review Problem 351

Organic 2 Review Problem 351 - R EACTIONS A ND I...

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REACTIONS AND IDENTIFICATION 335 Section 10. Alcohols. -OH. (cf. Tables IV, V. 535-53?) Methanol, ethanol, n-propanol (propan-i-ol), isopropanol (propan- 2-0/), n-butanol y glycol, glycerol, benzyl alcohol, cyclohexanol. Physical Properties. All colourless liquids, completely miscible with water, except benzyl alcohol and cyclohexanol, which are slightly soluble. Pure glycol and glycerol have high viscosity, which falls as the hygroscopic liquids absorb water from the air. Glycol and glycerol are odourless: the other alcohols have faint odours, that of benzyl alcohol being characteristic. GENERAL REACTIONS. 1. Give crystalline esters with 3,5-dinitrobenzoyl chloride. 2. Give crystalline urethanes with phenylisocyanate. 3. Primary alcohols (-CH 2 OH) are oxidised to aldehydes and then to acids. Secondary alcohols (> CHOH) are oxidised to ketones. 4. Alcohols containing the CH 3 CH(OH)- group give the iodoform reaction. 1.
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This note was uploaded on 09/19/2011 for the course CHM 2211 taught by Professor Castalleano during the Fall '06 term at University of Florida.

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