Synthesis of thiochromans by means of a (4++2) polar cycloaddition of m-tolylthiomethyl chloride with substituted alkenes: A simple synthesis of (.+-.)-cuparene and related sesquiterpenoids.
Synthesis of thiochromans by means of a (4++2) polar cycloaddition of m-tolylthiomethyl chloride with substituted alkenes: A simple synthesis of (.+-.)-cuparene and related sesquiterpenoids.