The Wittig reaction is a unique reaction that can be carried out in various ways as our prompt exemplifies. We will be primary focusing on the second of the three schemes. In The usual formation of an ylide occurs via Sn2 attack of a PR3 group on an alkyl halide‚ which is then followed by a strong base deprotonating of one of the hydrogens on the methyl which the PR3 attacked. Before we dive into the details of the reaction occurring in scheme 2 it will be important to understand the mechanism which
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Alvaro Nava 10/18/12 AP World History Block 8 DBQ After reviewing these documents‚ it is clear that the Islamic civilization was able to besiege such an extensive empire by spreading the Islamic belief throughout various methods. Throughout these documents‚ Islam is shown to spread quickly because of the Muslim’s respect toward other people’s religion. Furthermore‚ Muslims also used war and battle to grow the Islamic empire and reach other lands. Finally‚ the Islamic civilization practiced
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A.P. U.S. DBQ: Question: Although New England and the Chesapeake region were both settled largely by people of English origin‚ by 1700 the regions had evolved into two distinct societies. Why did this difference in development occur? By the 1700s the two regions‚ New England and Chesapeake varied greatly in spite of being from the same mother country‚ England. Physical and cultural differences separated these two regions distinctively. While religion moulded the daily life in New England‚ Money
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Simon Wahba 12/12/12 Miss Weinstein Period 7 Democracy DBQ In the world many societies are switching to democracies from the demand from the people in that area. One of the first democracies ever was in Athens‚ Greece. Even though they were the first democracy ever assembled‚ questions arose as to how democratic they really were. Opinions vary‚ but although Athens became more democratic over time‚ because of a series of reforms‚ it still was still more un-democratic then
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Kristin Bishop DBQ 1. Changing Demographics‚ 1660-1775 Between 1660 and 1775‚ Great Britain’s North American colonies were affected greatly by race‚ ethnicity and religion. The first settlers were mainly racially white‚ ethnically English‚ and religiously Protestant. The new world became a home to people who wanted more freedom. The demand of new market and new forces of labor created an opportunity for new races and ethnicities to colonize America. New forces of race‚ ethnicity and religion show
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For Case Discussion (2 pages) 1. What is your assessment of Billings’ performance as president of Stone Finch? What do you think of his leadership style? In my opinion Billing’s is a strong leader as he possessed key criteria in my assessment Bold‚ Risk taker Energetic with drive People followed him ( evident by the description in the case were majority of employees followed him when he acquired stone finch) Encouraged innovative and open culture which I think is key to successful leadership
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On Wednesday June 11‚ 2008 at 3:00 p.m. (Eastern Daylight Time)‚ the Prime Minister of Canada‚ the Right Honourable Stephen Harper‚ made a Statement of Apology to former students of Indian Residential Schools‚ on behalf of the Government of Canada. Prime Minister Harper offers full apology on behalf of Canadians for the Indian Residential Schools system11 June 2008Ottawa‚ OntarioStatement of Apology PLEASE CHECK AGAINST DELIVERY The treatment of children in Indian Residential Schools is a sad
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Markets in action It is obviously clear that the market affects our daily lives‚ which has become an indispensable part for us. However‚ even though the market is so powerful that it can perform effectively in most cases‚ sometimes it fails to maximize the utility of the limited resources. Under this situation‚ in order to achieve goals of equity and social efficiency‚ it is governments throughout the world that intervene the market in the means of adopting various policies. This essay will analyze
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“unacceptable” because they are different‚ and therefore‚ seen as savage (258). Hall elaborates how this unbroken stereotype between Africans and being “extreme opposites” characters is what creates an unequal relationship between the races as Africans actions will never be correct or considered normal unless it matches the white individual (Hall n.d.‚ 243).This can be reflected in the film though Hoefler’s self perception of superiority as he is portrayed as adventurous‚ brave‚ and strong while the Maasai
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Kailee Sixberry February 6‚ 2013 Mr. Bancroft Global 9- DBQ 12 The Mayan‚ Aztec‚ and Incan civilizations were very advanced‚ this is evident through their many accomplishments. The Mayan civilization had accomplishments such as building one of the largest stone structures in America; the temple in Tikal. The Mayans also created a very accurate calendar and writing system. The Aztecs were also very advanced. The Aztecs built their own city‚ Tenochtitlan. Tenochtitlan‚ which at
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