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Chapter 21: Q21-74E (page 726)

21-74 Tranexamic acid, a drug useful against blood clotting, is prepared commercially from p-methylbenzonitrile. Formulate the steps likely to beused in the synthesis. (Don't worry about cis-trans isomers; heating to300 掳C interconverts the isomers.)

Short Answer

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Chemical synthesis is the method of reworking a reactant or beginning material into a product or many products through appearing one or greater chemical reactions.

Step by step solution

01

Step 1: Introduction to the Concept

Chemical synthesis is the method of reworking a reactant or beginning material into a product or many products through appearing one or greater chemical reactions.

02

Step 2: Solution Explanation

Thebenzene ring and nucleophilic acyl substitution reduction were employed to make tranexamic acid.

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Most popular questions from this chapter

Propose a structure for the compound with the formulaC19H9NO2 and the following IR and NMR spectra

21-46 Draw structures corresponding to the following names

  1. p-Bromophenylacetamide
  2. m-Benzoylbenzamide
  3. 2,2-Dimethylhexanamide
  4. Cyclohexyl cyclohexanecarboxylate
  5. Ethyl 2-cyclobutenecarboxylate
  6. Succinic anhydride

21-39 Succinic anhydride yields the cyclic imide succinimide when heated with ammonium chloride at 200掳C. Propose a mechanism for this reaction. Why do you suppose such a high reaction temperature is required?

Assign structures to compounds with the following 1H NMR spectra:

(a)C5H9ClO2

IR:1735 cm-1

The following structure represents a tetrahedral alkoxide ion intermediate formed by the addition of a nucleophile to a carboxylic acid derivative. Identify the nucleophile, the leaving group, the starting acid derivative, and the ultimate product.
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