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(a)
Interpretation:
The major organic product for the given reaction is to be drawn.
Concept introduction:
In Heck Coupling reaction R from RX can be vinylic or aryl group. The R’ from H-R’ can be a vinylic or aryl group. X can be Cl, Br or I. In essence, R from R-X replaces H from H-R’ If the R-X halide is vinylic, the configuration about the double bond is retained. If H-R’ is vinylic and has an attached substituent at the opposite end of the
(b)
Interpretation:
The major organic product for the given reaction is to be drawn.
Concept introduction:
In Heck Coupling reaction R from RX can be vinylic or aryl group. The R’ from H-R’ can be a vinylic or aryl group. X can be Cl, Br or I. In essence, R from R-X replaces H from H-R’ If the R-X halide is vinylic, the configuration about the double bond is retained. If H-R’ is vinylic and has an attached substituent at the opposite end of the
(c)
Interpretation:
The major organic product for the given reaction is to be drawn.
Concept introduction:
In the Suzuki coupling reaction, under basic condition, a vinylic or aryl halide is treated with an organoboron compound and a palladium catalyst. In this reaction, the four steps involved are oxidation addition, substitution, transmetallation, and reductive elimination. The Suzuki reaction is stereospecific. These reactions involving possible E/Z isomerism usually proceed with retention of configuration.
(d)
Interpretation:
The major organic product for the given reaction is to be drawn.
Concept introduction:
In the Suzuki coupling reaction, under basic condition, a vinylic or aryl halide is treated with an organoboron compound and a palladium catalyst. In this reaction, the four steps involved are oxidation addition, substitution, transmetallation, and reductive elimination. The Suzuki reaction is stereospecific. These reactions involving possible E/Z isomerism usually proceed with retention of configuration.
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Chapter 19 Solutions
Organic Chemistry: Principles And Mechanisms
- (9 Pts) In one of the two Rare Earth element rows of the periodic table, identify an exception tothe general ionization energy (IE) trend. For the two elements involved, answer the followingquestions. Be sure to cite sources for all physical data that you use.a. (2 pts) Identify the two elements and write their electronic configurations.b. (2 pts) Based on their configurations, propose a reason for the IE trend exception.c. (5 pts) Calculate effective nuclear charges for the last electron in each element and theAllred-Rochow electronegativity values for the two elements. Can any of these valuesexplain the IE trend exception? Explain how (not) – include a description of how IErelates to electronegativity.arrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forwardDon't use AIarrow_forward
- please solve this problem by telling me which boxes to check. Thank you in advance!arrow_forwardExplain what characteristics of metalloids are more like metals and which are more like nonmetals, based on Na, Mg, Fe, Cl, and Ar.arrow_forwardplease solve this, and help me know which boxes to check. Thank you so much in advance.arrow_forward
- Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. Describe how electronegativity is illustrated on the periodic table including trends between groups and periods and significance of atom size.arrow_forwardDefine the term “transition.” How does this definition apply to the transition metals?arrow_forwardDescribe how the properties of the different types of elements (metals, nonmetals, metalloids) differ.arrow_forward
- Use a textbook or other valid source to research the physical and chemical properties of each element listed in Data Table 1 using the following as a guideline: Ductile (able to be deformed without losing toughness) and malleable (able to be hammered or pressed permanently out of shape without breaking or cracking) or not ductile or malleable Good, semi, or poor conductors of electricity and heat High or low melting and boiling points Occur or do not occur uncombined/freely in nature High, intermediate, or low reactivity Loses or gains electrons during reactions or is not reactivearrow_forwardProvide the Physical and Chemical Properties of Elements of the following elements listedarrow_forwardQuestions 4 and 5arrow_forward
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