The above synthesis was designed using the Organic Chemistry Roadmaps in the appendix of your textbook.In this synthesis, reagents from the table (shown in blue) are used to carry out the indicated reactions. In the box below, draw the structure of compound b . ReagentsHCIm. 2 equivalents of NaNH,2H2, Lindlar's catalystNa / NH3p. H2SO4, H9SO4q. (sia)2BH then H2O2, NaOHа.b. HBrn.c. H2O, H2SO4d. Br2O.e. Cl2f. H2, Pdg. Br2, H20h. Cl2, H20i. Os04 then NaHSO3j.r.1 equivalent of NANH,compound aHg(OAc)2, H2O then NaBH4k. BH3 then H2O2, NaOHOg then (CH3)2Scompound bI.

Lindlar catalyst: Alkynes can be selectively reduced to an alkene by reaction with hydrogen in presence of Pd/BaSO4, Lindlar catalyst. The Lindlar catalyst is a heterogeneous catalyst that consists of palladium deposited on barium sulfate which is then poisoned with various forms of lead or sulfur. It is used for the hydrogenation of alkynes to alkenes. Lindlar catalyst converts alkyne to a cis alkene.In the first step of the reaction, the alkyne is reduced into the cis alkene.In the second step of the reaction ozonolysis of alkene takes place. In the ozonolysis reaction, the carbon-carbon bond of alkene has been replaced by a carbonyl group. Alkenes can be oxidized with ozone to form a carbonyl compound. The ozonide formed in this can be reduced into a carbonyl compound when it reacts with dimethyl sulfide.

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The above synthesis was designed using the Organic Chemistry Roadmaps in the appendix of your textbook. In this synthesis, reagents from the table (shown in blue) are used to carry out the indicated reactions. In the box below, draw the structure of compound b .

The above synthesis was designed using the Organic Chemistry Roadmaps in the appendix of your textbook. In this synthesis, reagents from the table (shown in blue) are used to carry out the indicated reactions. In the box below, draw the structure of compound b .

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter4: Polar Bonds, Polar Reactions

Section: Chapter Questions

Problem 18CTQ

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