Give the structure of the product of the fi rst of the following reactions, and then propose

Question:

Give the structure of the product of the fi rst of the following reactions, and then propose a scheme that will ultimately convert it into the methyl-substituted ketone at the end of the scheme. This example illustrates a common method for the introduction of methyl groups into synthetically prepared steroids.

CH3 HCN C1H15NO IR: 1715, 2250 cm- H H