Arene Molybdenum lab Introduction: Organometallic chemistry is the study of chemical compounds that contain carbon atoms bound to a metal atom. Organometallic compounds can contain main group elements‚ or more metallic elements such as zinc or carbon. These compounds tend to have carbon atoms bound to the metal center by σ-bonds. Alternatively‚ transition metals can be involved in the compound‚ which leads to a variety of interesting and diverse chemical characteristics. For example‚ a promising
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also wasted in the Erlenmeyer flask and some on the filter paper used to dry it. IR analysisThe IR result from this experiment shows no significant stretches infrequency higher than 2000 cm-1 except for a trough at 3052.68 cm-1 that indicates an aromatic ring bond to hydrogen (Ar-H). Most of the expected stretches in this IR are in between 1652.41
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C14H14O2 86.22 138-139 Compound C 0.4255 0.001988 C14H14O2 40.02 136-138 Spectral Analysis IR Absorption (cm-1) Assignment Benzoin 3411‚ 3374 OH 2961‚ 2903 C-H aromatic 2358 C-O 1678 Ketone Compound A 3372 OH stretch 3310 OH stretch 3085‚ 3060‚ 3030 C-H stretch 2900 C-H aromatic 1451 OH bend Compound B 3371‚ 3309 C-H 2900‚ 2855 C-H stretch‚ methyl 1451 Ar C=C 1278 Acetal 1H NMR Chemical shift (δ) Multiplicity and Integration Assignment
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Epinephrine Structural Diagram- page 72 [pic] About: - Epinephrine has several uses‚ including increasing ventilation of lungs through relief of bronchodilation‚ increasing cardiac output‚ increasing systolic blood pressure‚ dilating blood vessels involved in crisis response - Clinically‚ epinephrine plays a lifesaving role in countering the effects of anaphylactic shock. It relaxes smooth muscle‚ though at different receptors. Physical Properties: - high boiling points and melting
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products‚ which confirmed their identities; the eugenol sample showed the presence of the alcohol functional group O-H at 3425.19 cm-1 and both alkene C=C at 1604.43 cm-1 and aromatic C=C at 1509.35 cm-1. The acetyleugenol sample showed the presence of ester C=O at 1760.27 cm-1‚ both alkene C=C at 1506.83 cm-1 and aromatic C=C at 1417.46 cm-1. Introduction: Figure 11: eugenol acetyleugenol The primary constituents of the essential oils from cloves are the organic
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can act as potential mediators capable of affecting signal pathways as those mediated by NF-κB (Evans et al.‚ 2002)‚ and proliferative and functional response of target cells (Parola and Robino‚ 2001). Lipid peroxidation also generates reactive electrophilic compounds‚ mainly α‚ β-unsaturated aldehydes. These compounds react with DNA
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$1.50 Students’ association of SIngapore Students’ association of SIngapore - Main Course - - Main Course - Free Free Hainanese Chicken Rice – Steaming hot rice cooked in an aromatic chicken stock broth f love… oh and chicken broth Stean Hainanese Chicken Rice – Steaming hot rice cooked in an aromatic chicken stock broth f love… oh and chicken broth Stean Curry Chicken – One of our favourite dishes from home; tender chicken cooked in an exquisite mix of Indian curry spices Singapore
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functional group may be attached to an alkyl group or an aromatic group. Benzoic acid‚ is a colourless crystalline solid and a simple aromatic carboxylic acid. It is mainly consumed in the production of phenol by oxidation decarboxylation at 300-400. Oxidizing a primary alcohol can produce carboxylic acids. In this experiment‚ an aromatic carboxylic acids namely benzoic acid will be prepared by oxidizing benzyl alcohol‚ which is an aromatic alcohol with the formula. Benzyl alcohol is produced naturally
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nitrogenous base. The four types are shortened to just one letter: A- adenine‚ G- guanine‚ C- cytosine‚ and T- thymine. Adenine and G-guanine are purines. A purine is a neterocyclic aromatic organic compound. These purines are the larger of the two bases found in the DNA. Cytosine and thymine are pyrimidines. These are similar aromatic neterocyclic organic compounds. 2. How does an organism’s genotype determine its phenotype? I genotype is the genes present in your body. It is the organism’s
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very toxic and known to cause lung cancer. Butadiene an industrial chemical used in rubber manufacture. Some scientists believe that of all the chemicals in tobacco smoke‚ Butadiene may present the greatest overall cancer risk. Polycyclic aromatic hydrocarbons a group of powerful cancer-causing
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