(a)
Interpretation:
The product formed by the reaction of given
Concept introduction:
The addition of
(b)
Interpretation:
The product formed by the reaction of given alkene with large excess of hydrogen in the presence of
Concept introduction:
The addition of
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Organic Chemistry
- Develop syntheses for the following compounds. As starting materials, you may use cyclopentanol, alcohols containing no more than four carbon atoms, and any common reagents and solvents. (a) trans-cyclopentane-1,2-diol (b) 1-chloro-1-ethylcyclopentanearrow_forwardShow how you might synthesize the following compounds starting with bromobenzene, andalkyl or alkenyl halides of four carbon atoms or fewer.(a) 3-phenylprop-1-ene (b) 5-methylhex-2-ene *(c) dec-5-enearrow_forwardDisiamylborane adds only once to alkynes by virtue of its two bulky secondary isoamylgroups. Disiamylborane is prepared by the reaction of BH3 # THF with an alkene.(a) Draw the structural formulas of the reagents and the products in the preparation ofdisiamylborane.(b) Explain why the reaction in part (a) goes only as far as the dialkylborane. Why isSia3B not formed?arrow_forward
- Write the structure of the major organic product formed in the reaction of 1-pentene with each of the following: (a) Hydrogen chloride (b) Dilute sulfuric acid (c) Diborane in diglyme, followed by basic hydrogen peroxide (d) Bromine in carbon tetrachloride (e) Bromine in water (f) Peroxyacetic acid (g) Ozone (h) Product of part (g) treated with zinc and water (i) Product of part (g) treated with dimethyl sulfide (CH3)2Sarrow_forwardWrite the structure of the major organic product formed in the reaction of each of the following with hydrogen bromide in the absence of peroxides and in their presence. (a) 1-Pentene (b) 2-Methyl-2-butene (c) 1-Methylcyclohexenearrow_forwardThe hydrocarbon fluorene was treated with potassium t-butoxide in an acid-base reaction, giving the fluorenide anion and t-butyl alcohol. (a) Which way does the equilibrium lie, and by how much? b) What is the proportion of the fluorenide anion to fluorene? (c) Why is fluorene so highly acidic, considering the pKa of an average alkane is above 50?arrow_forward
- Develop syntheses for the following compounds, using acetylene and compounds containing no more than four carbon atoms as your organic starting materials.(a) 3-methylnon-4-yn-3-ol (“3-ol” means there is an OH group on C3.)(b) cis-1-ethyl-2-methylcyclopropanearrow_forward2. There are two isomeric alkenes that can produce the first alcohol shown below as the major product with one set of reagents, but with other reagents, the same two alkenes will produce the second alcohol as the major product. H3C OH H3C, ОН H3C. CH3 (a) Draw the structure of the two alkenes described above. (b) Provide the reagents required to obtain each of the two alcohols. (c) Write out the arrow-pushing mechanism that produces the second alcohol.arrow_forward6) Which is the organic product for the following reaction? (a) (b) (c) (d) LOH OH COOH OH OH COOH COOH KMnO4 H₂O (e) None of the above products will be formedarrow_forward
- Draw the structure of the following compounds all showing C and H atoms.(a) 2-methyl -3-iso propyl heptanes(b) Dicyclopropyl methane.arrow_forward6) Which is the organic product for the following reaction? (a) (b) (c) (d) сон COOH ОН ОН COOH COOH KMnO4 H2Oarrow_forwardWrite equations for the reaction of pent-2-ene with the following:(a) H2 and Pd catalyst (b) Br2(c) HCl(d) H2O and H2SO4 catalystarrow_forward
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