Methyl Benzoate Date of Completion: February 29‚ 2012 Date Report Submitted: March 14‚ 2012 Objective of Experiment: The purpose of this experiment is was to synthesize methyl 3-nitro benzoate from methyl benzoate through an electrophilic aromatic substitution reaction. Chemical Equation: Materials: Name of Compound Molecular weight MP/BP Grams Used Moles Used Methyl benzoate 136.16 g/mol -12.5 OC /199.6 OC 0.28g 2.056*10-3 Sulfuric acid 63.01 g/mol 10 OC /337OC 0.8g 1.2*10-2 Nitric
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is very reactive as it more nucleophilic. Nucleophiles are compounds negatively charged in other word positive charge loving that donate their pair of electrons to form a new bond. They can also be called Lewis bases as they accept proton from electrophilic species. Grignard reagent can be simply prepared by redox reaction of magnesium metal and alkyl halide in dry diethyl ether solvent. In this experiment the alkyl halide use is bromobenzene‚ to form the reagent phenylmagnesium bromide. Figure
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1 CHM 1321-C Final Exam (prof. S. Gambarotta) Your Name: ___________________ April 12– 2013 Student #: ______________ 1. Solution key will be posted today on the web to day. 2. You must respond correctly to the first 41 exercises (1 mark each) to get the full mark. 3. There are 3 bonus questions at the end (4 mark each). In case of correct answers‚ each will add 4 marks to whatever you scored from the non-bonus questions. 4. Deliver the entire booklet 2 1) How many π bonds are present in
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SYNTHESIS OF 1-PHENYLAZO-2-NAPHTHOL ABSTRACT Amines are compounds composed of nitrogen atoms bearing alkyl or aromatic compounds. Amines undergo interesting reactions‚ one of which is with the reaction with nitrous acid producing an azo dye. In this study‚ the experiment focused on synthesizing an observing the physical properties of Sudan-1. Sudan-1 is of the most common dyes found in waxes‚ oils and in some food ingredients specifically curry and chilli powder. Furthermore‚ this study aimed to
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anhydride with sodium acetate. This step protects the amine functional group from doing unwanted reactions during chlorosulfonation and amination steps. The chlorosulfonyl group attacks in the para position to the acetamide group‚ by electrophilic aromatic substitution. Sulfonic acid is converted to 4-acetamidobenzenesulfonyl chloride by reacting with chlorosulfonic acid. The 4-acetamidobenzenesulfonyl chloride is converted to sulfonamide by reacting with aqueous ammonia. Acetamide group of the
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| Separation of Nitrophenols | | | | Abstract: Using a micro scale steam distillation we separated ortho and para-nitrophenol from a mixture that was already made. After the para and ortho were separated we measured their melting points and compared it to the literature values for purity. For ortho-nitrophenol we had 60% recovery and for para 160% recovery. Our melting point ranges were ortho: 45-46°C and para 64-95°C. Introduction: Nitration: In phenols‚ -OH group strongly
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| Reactions of Grignard Reagents with Carbonyls | | | Tuesday 1:30 | 2/28/2012 | | Introduction This experiment explores the reactivity pattern for the addition of Grignard reagents to three different carbonyl groups: a ketone‚ an ester‚ and a carbonate. Grignard reagents are organometallic compounds that have a carbon-metal bond‚ such as carbon-magnesium. Grignard reagents are formed from the reaction of an alkyl‚ cycloalkyl‚ or aryl halide and magnesium metal in dry ether
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RTECS number CY1400000 Jmol-3D images Image 1 [2] [3] [4] [5] [6] [7] [8] [9] Properties Molecular formula CH Molar mass 78.11 g mol−1 Appearance Colorless liquid Odor aromatic‚ gasoline-like 6 6 Benzene 2 Density 0.8765(20) g/cm3 Melting point 5.5 °C‚ 278.7 K‚ 41.9 °F Boiling point 80.1 °C‚ 353.3 K‚ 176.18 °F Solubility in water 1.79 g/L (15 °C) Solubility soluble in alcohol‚ chloroform
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mono-functional alcohols‚ this common system consists of naming the alkyl group followed by the word alcohol. Alcohols may also be classified as primary‚ 1º‚ secondary‚ 2º & tertiary‚ 3º‚ in the same manner as alkyl halides. This terminology refers to alkyl substitution of the carbon atom bearing the hydroxyl group (colored blue in the illustration). The functional group of the alcohols is the hydroxyl group‚ –OH. Unlike the alkyl halides‚ this group has two reactive covalent bonds‚ the C–O bond and the O–H
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Protein Hydrolysis and Characterization Group 7 Niez‚ Robert Francis‚ *Orbin‚ Alfonso Ricardo* Parro‚ Athena Emmanuelle Peralta‚ Christian Department of Biological Sciences‚ University of Santo Tomas‚ Manila‚ Philippines • Abstract Hydrolyzed Protein is protein that has been hydrolyzed or broken down into its component amino acids. While there are many means of achieving this‚ two of the most common are prolonged boiling in a strong acid (acid-HVP) or strong base or using an enzyme such
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