Objective: The purpose of this experiment was to prepare the Grignard reagent methylmagnesium iodide and react it with benzoin to form the 3o alcohol 1‚2-diphenyl-1‚2-propanediol‚ through an addition reaction pathway. Introduction: Grignard reagents are alkyl or aryl-magnesium halides that act as the nucleophile in Grignard reactions‚ where ketones are reacted with the reagent‚ then treated with acid to produce an alcohol. In the case of this experiment‚ methylmagnesium iodide was created
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A STUDY ON ONIONS Onions can be found all around the world‚ from Asia all the way to the Americas. They are edible used by professional chefs all over the world as garnishes or as a main dish‚ though not very widely consumed in this way. Not just it’s bulb can be eaten‚ it’s shoots and leaves are edible as well. They have a distinctive‚ strong flavour and also a pungent odour that could be neutralized and sweetened by cooking or heating. It has a dry‚ paper-like skin and a juicy‚ fleshly‚ layered
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1. The use of plants has been central to medicine since the beginning of time and it remains important today. Discuss the drug development and characterization problems with using plant extracts as therapeutic agents. How are plants used today by the pharmaceutical industry? Use specific product examples in your answer. The use of plants has played an important role in medicine. The traditional herbal medicine‚ typically the Chinese herbal medicine‚ primarily relies on the use of
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Here is an example of a Comparison-Contrast paragraph: High School and College Even though high school and college are both places of learning‚ they differ in at least three ways. The first difference between high school and college is their social atmospheres. In high school the building is usually smaller‚ so most students know each other. In addition‚ students in high school have the same six-hour 7:40 to 2:30 day‚ which helps them to know one another better. At college people are constantly
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syrup with dark chocolate. In a few cases‚ it is proved to be better than medications. Reduces Blood pressure and Cholesterol Level If you eat dark chocolate on a regular basis‚ then you can lower your risk of getting a heart attack. There is flavonoids in cocoa that is effective in reducing the chances of blood clotting and heart blockage. It also decreases LDL cholesterol by 10% and high blood pressure problem. Benefits for Cancer Patients Xocai chocolates are a perfect nutritional supplement
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consumer can have a healthy body. 3.3 Evaluation of Comvita Propolis Capsules‚ the best seller on market A research of Comvita Propolis Capsules was researched. It is about the nature’s powerful defense system. Comvita Propolis Capsules guarantee flavonoid levels‚ which is good for human body‚ such as reduce the bad feeling of anti-oxidant. Therefore‚
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kapaipuku.com - Buckwheat Nutrition Facts: Why It’s Good for You Buckwheat is one of today’s superfoods since it is chocked full of nutritional and health benefits. Unlike its name‚ it is not related to wheat or other cereal grains‚ as it actually is a fruit seed and is related to sorrel and rhubarb. With buckwheat being high in protein and gluten-free‚ it is a viable substitute for wheat and other grains that contain gluten for those with sensitivities to this substance. Learn additional information
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I found the concept of the talker-listener card (TLC)‚ which gives examples on how to have more productive conversations when talking to someone who needs to express themselves (Petersen‚ 2007)‚ to be very insightful. Through reading this book‚ I gained increased awareness as to why I have occasionally
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Medicine Analysis – Synthesising Aspirin results After recrystallisation differences between the crude and purified aspirin were noted. The impure (crude) aspirin was powered and fluffy with small clumps and was slightly yellow in colour whereas the pure aspirin has a less fluffy crystalline powder and was whiter. This showed distinct differences in the two substances but similarities were also apparent showing aspirin‚ in some level‚ was created. Before recrystallisation the crude aspirin could
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university graduates. • The workweek is 6 days. • A 60% pension in the last 240 months in mandatory after 62 years. Economic Analysis • Costa Rica is part of U.S.-Central America Free Trade Agreement (U.S.-CAFTA) and TLC which means Free Trade Agreement. • A big advantage of Costa Rica is its relationship with the US and the fact the Costa Rica is the US most important trade partner. • Currency: Costa Rica Colon (CRC). • 1 US dollar
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