A STEREOSELECTIVE SYNTHESIS OF TRANS-1,2-DISUBSTITUTED ALKENES BASED ON THE CONDENSATION OF ALDEHYDES WITH METALATED 1-PHENYL-1H-TETRAZOL-5-YL SULFONES
Pr. Blakemore et al., A STEREOSELECTIVE SYNTHESIS OF TRANS-1,2-DISUBSTITUTED ALKENES BASED ON THE CONDENSATION OF ALDEHYDES WITH METALATED 1-PHENYL-1H-TETRAZOL-5-YL SULFONES, Synlett, (1), 1998, pp. 26
The reaction of metallated 1-phenyl-1H-tetrazol-5-yl sulfones and alde
hydes gives good yields and stereoselectivity of trans-1,2-disubstitut
ed alkenes when potassium or sodium hexamethyldisilazide is used as ba
se and 1,2-dimethoxyethane is used as solvent.