Comparative Investigation of Organic Compounds Tristan Duane G. Lacson‚ Lara Elize T. Lamigo‚ Maria Mikaela L. Laysa‚ Christian Gerard G. Lee and Karen L. Li Group 6 2C Pharmacy Organic Chemistry Laboratory ABSTRACT In order to differentiate the organic compounds. The group tested the compounds using the information based on their instinsic physical properties‚ behavior in ignition‚acidity and basicity and their infrared spectra. The physical properties were noted by the reaserchers by
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Robinson Annulation Robinson Annulation is an useful organic reaction. This reaction is named after a British chemist Sir Robert Robinson. The term ’annulation ’stands for ’building a ring ’. In this reaction‚ the formation of α‚ β-unsaturated cyclic ketones from methl vinyl ketones and aldehyde or ketones takes place. Actually this reaction is a combination of two reactions. One is ’Michael Addition ’ and the other is ’Aldol Condensation ’. Robinson Annulation Mechanism In the first step
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References: Attkins‚ R. C.‚ & Carey‚ F. A. Organic Chemistry: A Brief Course; Mc Grawhill Inc.: New York‚ USA‚ 1990; p 205. Bloch‚ D. R. Organic Chemistry Demystified: 2nd Ed; Mc Grawhill Inc.: New York‚ USA‚ 2012; p 395. Langley‚ R. H.‚ & Moore‚ J. T. Organic Chemistry II for Dummies; Wiley Publishing Inc.: Canada‚ 2010; p 139. Mayo‚ D. W.‚ Pike‚ R. M.‚ & Forbes‚ D. C. Microscale Organic Laboratory with Multistep & Multiscale Synthesis: 5th Ed; John Wiley & Sons
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to Tubingen again before taking up the post as director of the organic chemistry department at Heidelberg (1). Wittig became an emeritus professor in 1967‚ where he remained until the end of his notable career (1). In 1967‚ he won the Otto Hahn Prize‚ and in 1979‚ he and Herbert C. Brown were jointly awarded the Nobel Prize for their development of the use of boron and phosphorus-containing compounds for important reagents in organic synthesis (1). The foundation of the Wittig reaction is not complex
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APPLICATIONS OF ORGANIC COMPOUNDS IN LASER TECHNOLOGY WHAT IS AN ORGANIC COMPOUND? An organic compound is any member of a large class of gaseous‚ liquid‚ or solid chemical compounds whose molecules contain carbon. Organic chemistry is the science concerned with all aspects of organic compounds. Organic synthesis is the methodology of their preparation. APPLICATIONS OF ORGANIC COMPOUNDS clothing of cotton‚ wool‚ silk‚ and synthetic fibres; common fuels‚ such as wood‚ coal‚ petroleum‚ and natural
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German organic chemist Hans Fischer (1881-1945) was awarded the Nobel Prize for chemistry in 1930 for his researches into the constitution of hemin and chlorophyll and especially for his synthesis of hemin. Hans Fischer‚ the son of Dr. Eugen Fischer‚ a manufacturer of chemicals‚ was born at Höchst am Main‚ on July 27‚ 1881. He entered the University of Lausanne in 1899‚ read chemistry and medicine‚ and subsequently transferred to the University of Marburg‚ where he graduated in chemistry in 1904
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In the reaction mechanism‚ a carboxylic acid‚ m-toluic acid is used to synthesize N‚N-diethyl-m-toluamide‚ also know as DEET‚ through a nucleophilic acyl substitution reaction. The reaction begins by first converting the m-toluic carboxylic acid into an acyl chlorosulfite through a reaction using thionyl chloride. The carboxylic acid is converted into an acyl chloride because the acyl chloride is more reactive. In this step‚ hydrochloric acid is formed from a hydrogen on the carboxylic acid and a
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consider my application for a probationary status in the Department of Chemistry‚ School of Natural Sciences. I recently earned my Masters degree in Education major in Science Education in this institution last June 25‚ 2015 with a general weighted average equivalent to that of a Cum Laude. In my thesis‚ I collaborated with an IT specialist from SITEL Baguio to produce a software that could be used by students enrolled in Organic Chemistry. Now‚ I am on the process of submitting my thesis for paper presentation
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Analysis of Hydrocarbons Jessa Grace B. Castillo* and Stephanie Chua Department of Chemistry‚ University of Santo Tomas‚ Manila‚ Philippines ______________________________________________ Hydrocarbons are organic compounds containing only hydrogen and carbons and further divided in major types. Hydrocarbons react differently in reagents. The basis of determining an unknown hydrocarbon is due to the differences in reactions of hydrocarbons. An unknown compound is determined using tests.
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abilities and career goals‚ I have decided to pursue my graduate studies in the field of Chemistry. While my graduate study has helped me develop an insight into my intended area of specialization and the ability to relate developments in fundamental concepts to analytical chemistry‚ it still cannot support my desire for research and design. I therefore strongly believe that a detailed research chemistry from your university will be a step forward in achieving my objective of launching a career
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