The invention discloses a method for synthesizing a 1, 4-diene-6-methylene steroid as formula (I) and an intermediate.The method comprises the following steps: substituting the first position and the third position or only the third position of a 1, 4-diene-androstane compound as a raw material by pyrrolidine to generate 5, 6-ethylenic linkage compound and introducing 6-methylene to the.
What is a Synthesis Essay? The main purpose of a synthesis essay is to make insightful connections. Those connections can show the relationship(s) between parts of a work or even between two or more works. It is your job to explain why those relationships are important. In order to write a successful synthesis essay, you must.