1. We have studied two types of condensation reactions that are similar in many ways. There...
1. We have studied two types of condensation reactions that are similar in many ways. There are others. Below is an example of the Perkins condensation, using what you know about condensation reactions draw the major product.
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1. We have studied two types of condensation reactions that are
similar in many ways. There...
1. The reaction web includes most of the reactions of enolates we have studied. The products...
1. The reaction web includes most of the reactions of enolates we have studied. The products of these reactions can be treated with other reagents to generate new functionality - think synthesis! Make up your own examples - e.g. What if you treated compound D with CH,MgBr? In the table, summarize the types of products produced from these reactions. CH3 MgBr acid quench acid quench NaOH, H2O EIO OEt acid quench acid quench acid quench D LIAIHA acid quench acid...
Many of the condensations we have studied are reversible. The reverse reactions are often given the...
Many of the condensations we
have studied are reversible. The reverse reactions are often given
the prefix retro-, the Latin word meaning “backward.” Propose
mechanisms to account for the following reactions.
Part B H+ CH3 OH CH (retro-aldol and further condensation) Use H/H2O as your acid/conjugate base. Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the canvas and connecting them with bonds. Add charges where needed. Electron flow arrows should start on the electron(s)...
In many addition reactions we have to think about the regiochemical preference of how the two...
In many addition reactions we have to think about the regiochemical preference of how the two new groups will add across a double bond. Draw the major product of each transformation. HBr HBr ΒΡΟ For each transformation, which set of reagents would produce each product shown below in the highest yield? - In the box below, draw a curved-arrow reaction mechanism for the following reaction. Show all bond cleavage and formation steps. Your answer should be written in the box...
Topic 1. Fundamental Analysis We studied that there are three ways to forecast exchange rates. In...
Topic 1. Fundamental Analysis We studied that there are three ways to forecast exchange rates. In this thread, I would like to discuss fundamental analysis. Some issues to consider: What types of determinants do you think are important in terms of exchange rates? Where could we get measures of those determinants in practice? Are there macroeconomic variables that are more important than others for the determination of exchange rates? Do you think it is harder/easier to forecast fixed or flexible...
Answer all please! Thank you in advance. Many of the condensations we have studied are reversible....
Answer all please! Thank you in advance.
Many of the condensations we have studied are reversible. The reverse reactions are often given the prefix retro-, the Latin word meaning "backward." Propose mechanisms to account for the following reactions 22-76 CH H CH CH3 н* (b) (а) CH С- (сн), —сно CH ОН (retro-aldol and further condensation) но. (retro-aldol) CH OH (d) "ОСн, CH OН OH H,C-CH-CN СООCH (retro-Michael) (retro-aldol and crossed Claisen)
Answer all please! Thank you in advance. .22-76 Many of the condensations we have studied are...
Answer all please! Thank you in advance.
.22-76 Many of the condensations we have studied are reversible. The reverse reactions are often given the prefix retro-, the Latin word meaning "backward." Propose mechanisms to account for the following reactions. (a) Y CH; H . = CHC-(CHỊ) -CHO (b) TICH CHH ТСН. (retro-aldol and further condensation) OH (retro-aldol) Sca-es + H.C=CH-CN CH HOH OCH, CHOH COOCH (retro-aldol and crossed Claisen) CN (retro-Michael)
There are four proteolytic enzyme mechanisms that we studied in class. In a table similar to...
There are four proteolytic enzyme mechanisms that we studied in class. In a table similar to the one below, list every structural element that is involved in each of these four mechanism classes (up to 4 elements each; not each has as many as four). By each element, put the evidence that should be observed that shows its involvement and the catalysis type that each mediates (what tool from the mechanism toolbox is used?). A protease has been purified from...
s smı peptdes and ultimately proteins through a condensation fatt similar to the reactions that form...
s smı peptdes and ultimately proteins through a condensation fatt similar to the reactions that form a triglyceride from glycerol Amino acids combine to form peptides an protonated aater molecule is removed when a carboxylate and and three fatty acids. One and thretis amine react. Figure 1: o- HI Carboxylate reacts with Protonated Amide forming amine 2. Consider the two amino acids, tryptophan and serine bonds can be formed between these acids? How many different peptide 3. Draw each of...
1) We have studied several types of common but faulty statistical reasoning (violation of the area...
1) We have studied several types of common but faulty statistical reasoning (violation of the area principle, supposing that correlation implies causation, etc.) and limitations of testing (sample bias, errors in hypothesis testing, etc.). Find TWO examples of these flaws/errors in advertisements, news articles, or research papers. Give the source (url or other citation). Explain the mistake in each, and explain what might be done differently to correct the mistake.
In the lectures notes and class materials, we have studied the concept of risk and return...
In the lectures notes and class materials, we have studied the concept of risk and return - so we know the fundamentals. To assume additional risk, investors will require the opportunity to receive additional return. Additionally, some investors by nature are more risk averse than others - this is what drives financial markets. Let's assume that you have just inherited an unexpected large sum of $100,000 for which you have no pressing financial demands and which you decided to invest...
1. The reaction web includes most of the reactions of enolates we have studied. The products of these reactions can be treated with other reagents to generate new functionality - think synthesis! Make up your own examples - e.g. What if you treated compound D with CH,MgBr? In the table, summarize the types of products produced from these reactions. CH3 MgBr acid quench acid quench NaOH, H2O EIO OEt acid quench acid quench acid quench D LIAIHA acid quench acid...
Many of the condensations we
have studied are reversible. The reverse reactions are often given
the prefix retro-, the Latin word meaning “backward.” Propose
mechanisms to account for the following reactions.
Part B H+ CH3 OH CH (retro-aldol and further condensation) Use H/H2O as your acid/conjugate base. Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the canvas and connecting them with bonds. Add charges where needed. Electron flow arrows should start on the electron(s)...
In many addition reactions we have to think about the regiochemical preference of how the two new groups will add across a double bond. Draw the major product of each transformation. HBr HBr ΒΡΟ For each transformation, which set of reagents would produce each product shown below in the highest yield? - In the box below, draw a curved-arrow reaction mechanism for the following reaction. Show all bond cleavage and formation steps. Your answer should be written in the box...
Answer all please! Thank you in advance.
Many of the condensations we have studied are reversible. The reverse reactions are often given the prefix retro-, the Latin word meaning "backward." Propose mechanisms to account for the following reactions 22-76 CH H CH CH3 н* (b) (а) CH С- (сн), —сно CH ОН (retro-aldol and further condensation) но. (retro-aldol) CH OH (d) "ОСн, CH OН OH H,C-CH-CN СООCH (retro-Michael) (retro-aldol and crossed Claisen)
Answer all please! Thank you in advance.
.22-76 Many of the condensations we have studied are reversible. The reverse reactions are often given the prefix retro-, the Latin word meaning "backward." Propose mechanisms to account for the following reactions. (a) Y CH; H . = CHC-(CHỊ) -CHO (b) TICH CHH ТСН. (retro-aldol and further condensation) OH (retro-aldol) Sca-es + H.C=CH-CN CH HOH OCH, CHOH COOCH (retro-aldol and crossed Claisen) CN (retro-Michael)
There are four proteolytic enzyme mechanisms that we studied in class. In a table similar to the one below, list every structural element that is involved in each of these four mechanism classes (up to 4 elements each; not each has as many as four). By each element, put the evidence that should be observed that shows its involvement and the catalysis type that each mediates (what tool from the mechanism toolbox is used?). A protease has been purified from...
s smı peptdes and ultimately proteins through a condensation fatt similar to the reactions that form a triglyceride from glycerol Amino acids combine to form peptides an protonated aater molecule is removed when a carboxylate and and three fatty acids. One and thretis amine react. Figure 1: o- HI Carboxylate reacts with Protonated Amide forming amine 2. Consider the two amino acids, tryptophan and serine bonds can be formed between these acids? How many different peptide 3. Draw each of...
In the lectures notes and class materials, we have studied the concept of risk and return - so we know the fundamentals. To assume additional risk, investors will require the opportunity to receive additional return. Additionally, some investors by nature are more risk averse than others - this is what drives financial markets. Let's assume that you have just inherited an unexpected large sum of $100,000 for which you have no pressing financial demands and which you decided to invest...
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