Tetraphenylcyclopentadienone Introduction The purpose of this experiment was to synthesize tetraphenylcyclopentadienone by reacting dibenzyl ketone with benzil in the presence of a base. The reaction proceeded via an aldol condensation reaction with dehydration, and then the product crystals were isolated by vacuum filtrations using a Buchner funnel. Experiment Scheme Equation 1. Aldol condensation reaction between benzil and dibenzyl ketone in the presence of a base To begin the experiment
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Reaction Map of first semester organic reactions– Wiskur Spring 2012 HO R X* R W* BrMg X* W* Li R V* U* R or Cl) Br ( R I K H J G Y* F RO D Nuc R Br R R HO R OH V U R RO R L HO R O Nuc R R Nuc X Br W R R M N Br R R H R O O H A* H Br R R Br (or Cl) OH Br O G* F* C* B* R O OH R D* H I* H* O R S* R O OH Br Y R Z J* R P* R* R R R R R L* R K* N* R M* Br R O* Br R O H T* Br Br R Br Q* Br Br R Br Br O R O R S O O R B A C HO R O P Q T S R HO R Br A. LiAlH4 or NaBH4 (Chapter 12)
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Young People and Alcohol Consumption By Jose Santiago Purpose: This speech explains the effects of alcohol drinking among young teens, effects that could very well lead to a number of serious problems and altercations. Introduction I. I’m a guy from South Florida who at an early age 14 to be exact, started consuming large quantities of alcohol not having any knowledge of its very dangerous effects and repercussions. A. Alcoholism is an addiction that becomes very difficult to beat. B. I
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Naming Alkenes Suffix: -ene Many of the same rules for alkanes apply to alkenes 1. Name the parent hydrocarbon by locating the longest carbon chain that contains the double bond and name it according to the number of carbons with the suffix -ene. H 3C CH2 C H 3C CH2 CH2 CH2 H 3C CH2 CH2 H 3C CH2 C CH2 Parent = pentene not hexene (does not contain double bond) 2. a. Number the carbons of the parent chain so the double bond carbons have the lowest possible numbers. H 3C 6 CH2 CH2 CH 5 4
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and Effects of Stress Introduction The issues pertaining to a student's stress status is extremely important due to the devastating consequences it may have. Students who experience a high level of stress may experience drug or alcohol abuse, perform poorly in school, or suffer from depression. It is important to address the issues of depression as it is a mental illness that can be both financially costly and harmful to the sufferer's personal health. Depression often leads to
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atoms of carbon, hydrogen, and oxygen all alcohol molecules contain at least one hydroxyl group. When people say alcohol they usually think of beer, wine, or liquor, but there are several types of alcohol. An alcoholic beverage is a drink that contains ethyl alcohol. They are mostly made of grains or from grapes or other fruits. There are two main groups fermented and distilled drinks. Fermented drinks contain from five percent to twenty percent ethyl alcohol. Distilled contains twelve percent to fifty-five
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lethal dose for humans extrapolated from animal studies is so high that it cannot be achieved," stated in a 1995 report prepared by the World Health Organization. (Medical Marijuana Mall USA, 2013). Medical marijuana is safer than prescription drugs, alcohol, and spice. Marijuana is more beneficial to use than prescription drugs because of the lack of serious side effects. The most common side effects of marijuana are coughing, wheezing, and bronchitis. These side effects are easily taken care of by
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THE CHALLENGE For much of my teenage life, I was addicted to alcohol. Now I am a recovering addict who campaign for (S.A.D.D.), Students Against Drunk Drivers. I know i cant stop anyone from using alcohol, but I hope my story can sort of persuade them into a different direction, to show them a better way of life. No one in my peer group did that for me. I began drinking alcohol when I was 13 years old, trying it out of course. I grew up in the country side of a small town, called
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Name Professor Title 24 February 2014 Alcohol consumption among freshmen Alcohol consumption is very common among freshman in colleges. Excessive consumption of alcohol can cause addiction, and this situation are known as alcoholism which is more dangerous because one cannot do without alcohol. Consumption of alcohol is dangerous because it causes disorder, road accidents if drunken people drive, can cause miscarriages to pregnant mothers, loss of jobs due to failure of one’s responsibilities at
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2.2. POLYMER PROFILE 2.2.1 HYDROXY PROPYL METHYLCELLULOSE30 1) Non proprietary Name BP: Hypromellose, JP: Hydroxy propyl methylcellulose, PhEur: Hypromellosum, USP: Hypromellose 2 ) Synonyms Benecel MHPC; E464; hydroxyl propyl methylcellulose; HPMC; Methocel; methyl cellulose propylene glycol ether; methyl hydroxyl propyl cellulose; Metolose. 3) Molecular Weight Molecular weight is approximately about 10 000–1 500 000. 4) Structural Formula 5) Functional Category Coating agent, rate-controlling
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