Experiment C. Aim: To protect one of two carbonyl groups (C1) in order to allow the other to react twice with a Grignard followed by removal of the protecting group by acid hydrolysis to give final product (C2). Method: Ethyl acetoacetate (30.03g)‚ ethylene glycol (15.01g) and toluene-p-sulphonic acid (0.13g) were added to a 250 cm3 round bottomed flask‚ containing a stirrer bar and toluene (100 cm3)‚ fitted with a condenser and dean-stark head. Solution was heated strongly under reflux using a heater
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LSD-25 Synthesis from "Psychedelic Guide to the Preparation of the Eucharist": Preparatory arrangements: Starting material may be any lysergic acid derivative‚ from ergot on rye grain or from culture‚ or morning glory seeds or from synthetic sources. Preparation #1 uses any amide‚ or lysergic acid as starting material. Preparations #2 and #3 must start with lysergic acid only‚ prepared from the amides as follows: 10 g of any lysergic acid amide from various natural sources dissolved in 200 ml of
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LABORATORY REPORT RENAL PHYSIOLOGY INTRODUCTION: The kidneys‚ which maintain the purity and constancy of our internal fluids‚ are perfect examples of homeostatic organs. They regulate the chemical content the pH and osmotic pressure of the blood. Kidneys filter gallons of fluid from the bloodstream. They then process this filtrate‚ allowing wastes and excess ions to leave the body in urine while returning needed substances to the blood in just the right proportions. Factors that affect urine
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prevent pregnancy for up to 3 years. The implant is a flexible plastic rod about the size of a matchstick that contains a progestin hormone called etonogestrel o Branding Benefits marketed to consumers: Implantable • IMPLANON is a flexible‚ ethylene vinylacetate (EVA)‚ rod-shaped contraceptive the size of a matchstick that is implanted just under the skin of her inner‚ upper arm. Unique • IMPLANON is the first and only three-year‚ single-rod‚ implantable contraceptive. • IMPLANON must be
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ENTIRE PORTION - 1 1. Botanical survey of India is located in a) Kolkata b) Coimbatore c) Chennai d) Allahabad 2. The member of this family have mucilagenous substance a) Musacae b) Euphorbiaceae c) Malvaceae d) Solanaceae 3. The pink flowered ornamental plant in solanaceae is a) Withania somnifera c) solanum
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Blood gases and acid base balance Normally we do venous/capillary blood gases. Arterial blood gases are only done in the very sick children‚ who have been intubated/ventilated and have arterial lines in situ (usually in the theatre prior to transfer to the PICU in Newcastle. Here is a stepwise approach to blood gas analysis. STEP 1: [pic] STEP 2: Look at pCO2 [pic] STEP 3: Look at Bicarbonate & Base excess (BE) [pic] Base excess (BE): Base excess is the
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to other energy sources‚ which means lower bills for its consumers. Coal is easily stored‚ transported‚ and controlled in large volumes A variety of industries use coal’s heat and by-products. Separated ingredients of coal (such as methanol and ethylene) are used in making plastics‚ tar‚ synthetic fibers‚ fertilizers‚ and medicines. Coal power produced 49.7% of the U.S. electricity supply in 2005. According to the Energy Information Administration‚ the U.S. has demonstrated coal reserves of approximately
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Most off our food is handled and processed by somebody else. The truth is Americans don’t have the time to farm and nor do the dirty bits. In America‚ whoever does the best in the fourth quarter controls how things will run‚ with the ever growing hunger for wealth there is no limit to what can be achieved. An American Filmmaker‚ Robert Kenner‚ released a documentary Food Inc‚ a perfect example of greed and disregard for what can be considered ethical in the food industry. Kenner was inspired to make
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POLYMER DATA HANDBOOK *Home *Browse/Search Contents *Browse by Polymer Class *Browse the Index *Online help Copyright © 1999 by Oxford University Press‚ Inc. EDITED BY JAMES E. MARK‚ UNIVERSITY OF CINCINNATI PUBLISHED BY OXFORD UNIVERSITY PRESS The online version of the Polymer Data Handbook includes key data on over two hundred polymers. Please note that entries are presented as PDF files and can only be read using Adobe Acrobat Reader Version 3. If you do not have the freeware reader‚
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FAT AND OIL ASSIGNMENT Latest commercial scale Packing methods And packing materials P.A.Nishan D. Perera Msc Food Science & Technology University of Sri Jayawardenepura. Edible oil is plant‚ animal‚ or synthetic fat used in frying‚ baking‚ and other types of cooking. It is also used in food preparation and flavouring that doesn ’t involve heat‚ such as salad dressings and bread dips etc. Cooking oil is typically a liquid‚ although some oils that contain saturated fat‚ such as
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