Provide Two Different Precursors and the Reagents Needed to Transform

question 43

Essay

Provide two different precursors and the reagents needed to transform them to the compound shown
here.

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Definitions:

Double-Contrast Study

A radiographic technique used in medical imaging that uses two types of contrast material to better visualize the interior lining of organs.

Barium Enema

A diagnostic medical imaging procedure used to examine the interior of the colon by filling it with a barium sulfate contrast material.

Small Lesions

Minor or small areas of damaged tissue or abnormality in the body.

Barium Swallow

A radiologic procedure that involves oral administration of a barium sulfate drink to help diagnose and evaluate obstructions, ulcers, polyps, diverticuloses, tumors, or motility problems of the esophagus, stomach, duodenum, and small intestine; also called an upper GI (gastrointestinal) series.