(a)
Interpretation:
The synthesis for
Concept introduction:
The larger carbon chains can be synthesized from smaller carbon chains by reacting an
(b)
Interpretation:
The synthesis for
Concept introduction:
Hydroboration-oxidation reaction is the reaction in which an
(c)
Interpretation:
The synthesis for dibutyl sulfone from
Concept introduction:
(d)
Interpretation:
The synthesis for
Concept introduction:
Alkenes undergo concerted syn-addition reaction with MMPP reagent to form an epoxide. It is the reaction which takes place in a single step with complete retention of the configuration of the substrate. The reaction of an epoxide with a Grignard reagent or organocuprate reagent yields an alcohol. Alcohol on reaction with organohalide undergoes Williamson ether synthesis to yield ether.
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Organic Chemistry
- (a) Give an acceptable name for compound A. (b) Draw the organic products formed when A is treated with each reagent: [1] H3O+; [2] −OH, H2O; [3] CH3CH2CH2MgBr (excess), then H2O; [4] LiAlH4, then H2O.arrow_forward22). What is the major product of the following reactions? (A) (B) Br 1) NaCN 2) CH3MgBr 3) H30*/H₂O (C) LOH (D) CNarrow_forwardCompound A (C6H12O2) reacts with water, acid, and heatto yield compound B (C5H10O2) and compound C (CH4O).Compound B is acidic. Deduce possible structures of compounds A, B, and Carrow_forward
- Electrophilic aromatic substitution usually occurs at the 1-position of naphthalene, also called the a position. Predict themajor products of the reactions of naphthalene with the following reagents.(a) HNO3, H2SO4 (b) Br2, FeBr3 (c) CH3CH2COCl, AlCl3(d) isobutylene and HFarrow_forwardPredict the major products formed when benzoyl chloride (PhCOCl) reacts with the following reagents.(a) ethanoarrow_forwardGive the products for each of the following reactions. (a) (b) (c) + H₂cod OCH3 о || -COCH 3arrow_forward
- (a) How will you convert:(i) Benzene to acetophenone (ii) Propanone to 2-Methylpropan-2-ol(b) Give reasons :(i) Electrophilic substitution in benzoic acid takes place at meta position.(ii) Carboxylic acids are higher boiling liquids than aldehydes, ketones and alcohols of comparable molecular masses.(iii) Propanal is more reactive than propanone in nucleophilic addition reactions.arrow_forwardThe endiandric acids comprise a group of unsaturated carboxylic acids isolated from a tree that grows in the rainforests of eastern Australia. The methyl esters of endiandric acids D and E have been prepared from polyene Y by a series of two successive electrocyclic reactions: thermal ring closure of the conjugated tetraene followed by ring closure of the resulting conjugated triene. (a) Draw the structures (including stereochemistry) of the methyl esters of endiandric acids D and E. (b) The methyl ester of endiandric acid E undergoes an intramolecular [4 + 2] cycloaddition to form the methyl ester of endiandric acid A. Propose a possible structure for endiandric acid A.arrow_forwardThe reaction of 1-bromopropane and sodium hydroxide in ethanol occurs by an SN2mechanism. What happens to the rate of this reaction under the following conditions?(a) The concentration of NaOH is doubled.(b) The concentrations of both NaOH and 1-bromopropane are doubled.(c) The volume of the solution in which the reaction is carried out is doubled.arrow_forward
- (b) Propose a synthesis of (2,2-dimethylpropyl)benzene from benzene.arrow_forwardWhich is the major isolated organic product of the reaction shown? (A) (B) Pd(PPH3)4 KOHarrow_forwardConsider the following structural formulas. OH H;C CH3 CH3 F G H (a) Which of the compounds F-l can easily be subjected to an elimination reaction? (b) Provide the reaction mechanism for all eliminations under (a).arrow_forward