has several advantages: It gives only the trans product; it uses a much milder base that is easier to handle; and it gives a water soluble byproduct which is easy to separate from the product. The reason that these advantages occur is a change in the structure of the ylide. Instead of a tripheylphosphine ylide‚ we use a diethylphosphonate ylide. The protons are much more acidic and its byproduct is negatively charged. The reason why we chose to create trans-stilbene is become of its many practical
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geographical knowledge and technology. It was also a time of European migration to other parts of the world. This Age of Expansion and European exploration from 1450 to 1525‚ greatly promoted by economical‚ technological‚ political‚ and religious factors‚ launched a major turning point in world history. The economy of late fifteenth century played an important role in European conquest. The Ottoman capture of Constantinople in 1453 caused Europeans to turn to sub-Saharan Africa to supply their demand
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The trans theoretical model (TTM) (Prochaska and DiClemente‚ 1979) proposed that any health behavior change is not automatic but it involves progress through five stages of change. The individual’s cognitive level and behavior decisions differ from each of the five stages. Trans theoretical model interventions are mostly delivered by first identifying the stage in which the individual is present and his/her willingness to change. These changes could be lifestyle changes. The TTM is based on the
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There are many different factors that led to the European exploration. Some of the factors were to spread the religion of Christianity‚ and to grow wealthy. To find new sources to help grow wealthy was the main reason for the European exploration. Some of the explores also felt their job was to convert non-Christians. The new technology developed allowed the European exploration to occur. A new ship was developed called the caravel‚ it allowed the ships to sail against the wind. Also the printing
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The European Union‚ which was previously known as the European Community is an institutional framework that began in 1951 between six countries with the intention of constructing a unified Europe. The European Union was created after World War II to economically and politically unite Europe so that another war among the European nations would not occur. The enlargement of the European Union is a historic opportunity to foster peace after generations of division and conflict. After fifty plus years
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LAB REPORT! EXPERIMENT#5‚6! MANPREET KAUR KHAIRA! LAB PARTNER: VIAN RAIES! The purpose of this lab exercise was to perform the bromination of (E)-1‚2-diphenylethene (trans-stilbene) by addition reaction in which bromine was added across the double bond to yield a vicinal dibromide. The next step was to perform a double elimination reaction by product gained to synthesize an alkyne‚ that is‚ 1‚2-diphenylacetylene. The two major techniques used in this lab were TLC analysis and UV-vis spectroscopy
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after Greece and Ireland. An apt and practical remedy is what we desperately need at this time of harshness. In the scope of this essay‚ the three most commonly accepted solutions to the Crisis will be presented and discussed. Germany‚ the only European country having a growth in economy during the previous year‚ plays the central role in two of them. Greece‚ on the other hand‚ might also have the chance to resolve its shameful ‘legacy’. Despite the diversity of routes and methods‚ all these strategy
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Vysoká škola ekonomie a managementu 12-29-2010 Erasmus Programme European Economic Integration Lecturer: Petr Vymetal Student: Pia Kaindl Norway and the European Union Vysoká škola ekonomie a managementu 12-29-2010 Erasmus Programme European Economic Integration Lecturer: Petr Vymetal Student: Pia Kaindl Structure of the text 1. Introduction 2. History till 1981 3 Norway - An Overview 3.1 Economical 3.2 Political 4 Bilateral Trade Agreements 5 Battle with the
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Managing Strategy – Case 1 PESTEL ANALYSIS: Political Factors – In the recent years‚ governments are campaigning strongly against drunken driving which has affected the tendency for beer consumers to drink in restaurants and bars. It has shifted beer sales to off-trade (retail) which is dominated mainly by large supermarket chains like Tesco or Carrefour. Globally‚ the off-trade volume boomed from 63% in 2000 to 68% in 2008‚ which represented an 8% growth Economic - As part of the government
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European Integration Date: 09.01.2014 Introduction The following paper will provide an overview on the importance of the regional union of Balkans countries before joining European Union. Initially the paper will describe the main forms of integration and the main benefit for each of them. Furthermore‚ the paper will explain the main barriers of political integration of the Albania‚ Macedonia‚ Kosova and Montenegro. The essay will be based in the daily political development of the
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