Interpretation:
The structures for the major products from the given reactions are to be written with stereoisomers where applicable.
Concept introduction:
Electrophiles are electron-deficient species, which has positive or partially positive charge. Lewis acids are electrophiles, which accept electron pair.
Nucleophiles are electron-rich species, which has negative or partially negative charge. Lewis bases are nucleophiles, which donate electron pair.
Substitution reaction: A reaction in which one of the hydrogens of a hydrocarbon or a functional group is substituted by any other functional group is called substitution reaction.
Elimination reaction: A reaction in which two substituent groups are detached and a double bond is formed is called elimination reaction.
Addition reaction: It is the reaction in which unsaturated bonds are converted to saturated molecules by addition of molecules.
Ozonolysis: An organic reaction in which the double bonds of
Markovnikov’s rule: The nucleophile attacks the carbon having less number of hydrogens.
When the order of progression from the group of highest priority to that of the next highest priority is clockwise, it is said to be the
When the order of progression from the group of highest priority to that of the next highest priority is anticlockwise, then it is said to be the
The mixture that contains equimolar quantity of two enantiomers is called a racemic mixture.
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ORGANIC CHEM. VOL.1+2-W/WILEYPLUS
- (a) Suggest a synthesis for the following molecules starting with benzene and any other necessary reagents. (i) H2N CI (ii) OH CN 6.arrow_forwardSyntheses of each of the following compounds have been reported in the chemical literature. Using the indicated starting material and any necessary organic or inorganic reagents, describe short sequences of reactions that would be appropriate for each transformation. (a) 1,1,5-Trimethylcyclononane from 5,5-dimethylcyclononanonearrow_forwardGive the products for the following reactions; propose a mechanism to explain the formation of each. In d, f and h an alkyne is used as the dienophile. Can you elucidate those products based on your knowledge? 20 (a) (1) ن (0) OMe OMe (b) ۲۰- 203 (e) .203.201... (h) + گا COOH + - 201 COOH (c) OH (f) + imam NC-=-CN كماarrow_forward
- (d) Ozonolysis of 3,4-dimethyl-3-hexene gives compound D. (i) Write the reaction step for the formation of D by including the appropriate reagents. (ii) The mass spectrum of compound D shows a fragment ion peak at m/z 57. Propose the structure of this fragment ion. (ii) Identify the more stable resonance of the proposed structure in (ii).arrow_forwardPredict the products of the following reactions.Indicate the stereochemistry in the products when relevant.arrow_forwardAlkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. Select Draw Rings More Erase C 1. B2H6, diglyme (a) 2. H2O2, HO¯, H2Oarrow_forward
- Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. Select Draw Rings More Erase H 1. B,H§, diglyme (a) 2. H2O2, HO", H2Oarrow_forwardAlkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. 1. B2H6, diglyme (a) 2. H202, HO¯, H20 OH OH H. Incorrect MacBook Proarrow_forwardAlkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. H 1. B2H6. diglyme (a) H 2. H2O2, HO-, H20 он OH Incorrectarrow_forward
- Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. Select Draw Rings More Erase H 1. B₂H6, (a) diglyme 2. H2O2, HOT, H₂O ✓ C O Q2 Qarrow_forward(d) (i) Answer all sections (i) to (iv). The following two-step synthesis gives compound K as the major product. OH i. NaBH4 ii. CH₂12, Zn(Cu) K Assign the configuration of the two chirality centres generated in the second step, i.e. in the cyclopropanation step, using CIP rules. (ii) Explain with the aid of a reaction mechanism why the synthesis is highly diastereoselective. (iii) With reference to compound K, explain what is meant by the term 'diastereotopic groups'. (iv) Draw the structures of the enantiomer, and one epimer of K, and give definitions of these terms.arrow_forwardGive me a clear handwritten answer with explanationarrow_forward
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