T 2807 ( OTTOKEMI ) 2-Thienylmagnesium bromide solution , 1.0 M in THF CAS-5713-61-1 used in chemical research can be used as a reactant to synthesize1-(2-thienyl)-carbinols by condensation reaction with aldehydes. Carbinols are further dehydrated to form 2-thienyl olefins.