H C-H sp2 > C-H sp3 Callam 2/8 CHEM – 254 – WI -2009 2. What major IR absorptions are present above 1500 cm-1 for each compound? a. b. O sp3 C-H stretch 2950 C=O - ketone 1715 cm-1 cm-1 c. O sp3 C-H stretch 2950 cm-1 sp3 C-H stretch 2950 cm-1 sp2 C-H stretch 3100 cm-1 C=O - ketone 1715 cm-1 C=C alkene 1680 cm-1 O O d. e. f. OH sp3 C-H stretch 2950 sp C-H stretch 3310 cm-1 CC alkyne stretch 2220 cm-1 cm-1 sp2 C-H stretch 3100 cm-1 sp3 C-H stretch 2950
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electronegative atom with a more electronegative atom; replace a bond to hydrogen with a bond to oxygen; or replacing a single bond with a double bond by the loss of hydrogen. Oxidations are very convenient when trying to synthesize an aldehyde or ketone for this reason. Since there is less electron density around a reactive carbon center‚ the oxidation n of the carbon will be more positive. Usually a more electronegative atom such as a halogen‚ nitrogen‚ or oxygen replaces hydrogen bonded to the
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Name: Professor`s name: Course number: Date: Metabolic Pathways of Drugs The principal site for drug metabolism in the human body is the liver organ. The process of metabolism usually inactivates drugs though some drug metabolites are pharmacologically in active status. Inactive substance which has a metabolite that is active is referred to as a prodrug. Drugs are metabolized
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IR absorption band around 1260 – 1000 cm-1 (due to the C-O bond) that would not be present in the IR spectrum of camphor.1 Conversely‚ camphor would produce an IR absorption band around 1760 – 1670 cm-1 (due to the Carbon-Oxygen double bond of the ketone group) that would not be present in the IR spectrum of isoborneol.1 By identifying the absence of the C-O absorbance band and the presence of the Carbon-Oxygen double bond absorbance band in an NMR spectrum‚ I would be able to conclude that isoborneol
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Lipids Biochemistry November 13‚ 2013 Lipids Lipids are families of biomolecules including fats and oils‚ waxes‚ steroids ‚ cholesterol and fat soluble vitamins. All lipids are naturally occurring compounds varying greatly in structure but share the common feature of being soluble in non polar solvents such as chloroform and ether but not in water. Lipids consist mainly of carbon and hydrogen atoms linked by non polar covalent
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Laboratory findings Serum Glucose > 300 mg/dl Osmolality variable Serum Ketones positive at 1:2 dilution Serum PH < 7.35 Serum hco3 < 15 mEq/l Serum Na low‚ normal‚ or high Serum K normal: elevated with acidosis‚ Low following dehydration BUN >20 mg/dl elevated because of dehydration Creatinine >1.5 mg/dl; elevated because of dehydration Urine Ketones Positive Diabetic Ketoacidosis Patho: a. Diabetic ketoacidosis is a life-threatening
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antigens by calorie restriction Doherty ML‚ Monaghan ML‚ Bassett HF‚ Quinn PJ‚ Davis WC. 1996. Effect of dietary restriction on cell-mediated immune responses in cattle infected with Mycobacterium Franklin ST‚ Young JW‚ Nonnecke BJ. 1991. Effects of ketones‚ acetate‚ butyrate‚ and glucose on bovine lymphocyte proliferation Goff JP‚ Horst RL‚ Jardon PW‚ Borelli C‚ Wedam J. 1996. Field trials of an oral calcium propionate paste as an aid to prevent milk fever in periparturient dairy cows Gregory R‚ McElveen
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Katelyn Gibbs 1/30/14 Professor Hayes Anatomy and Physiology Atkins or “Fadkins” ? Questions: Section I: 1. First‚ find out what nutrients Janine and Mitchell are talking about. Using a biology textbook and the resources listed‚ describe what the following molecules are and what they are used for in the human body. List some specific examples of each. Also list major dietary sources of each. a. Proteins- macromolecules made of amino acids. Proteins have many functions in the
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Carbon and Its Compounds Carbon: Introduction Atomic Number: 6 Electronic Configuration: 2‚ 4. Valence electrons: 4 Property: Non-metal Abundance:- Carbon is the 4th most abundant substance in universe and 15th most abundant substance in the earth’s crust. Compounds having carbon atoms among the components are known as carbon compounds. Previously‚ carbon compounds could only be obtained from a living source; hence they are also known as organic compounds. Bonding In Carbon:- The Covalent
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Principles of Organic Chemistry Laboratory‚ Department of Chemistry and Biochemistry North Dakota State University‚ Fargo‚ ND 58102 Introduction: The purpose of this experiment was to synthesize tetraphenylcyclopentadienone using a reaction of dibenzyl ketone (1‚3-diphenyl-2-propanone) with benzil in the presence of base. The reaction then proceeded with an aldol condensation reaction.5 This product was obtained using extraction (reflux)‚ recrystallization and vacuum filtration to separate the product
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