Synthesis of 2-Diphenylphosphinoyl-3,5-diaryl-3,4-dihydro-2H-telluropyrans by Reaction of Chalcones with

SILVEIRA, C. C.; RINALDI, F.; BASSACO, M. M.; KAUFMAN, T. S.

TETRAHEDRON LETTERS

PERGAMON-ELSEVIER SCIENCE LTD

Lugar: Amsterdam, Holanda; Año: 2010 vol. 51 p. 4563 - 4565

0040-4039

The NaH-promoted tandem Michael addition/intramolecular Wittig–Horner reaction of bis[(diphenylphosphinoyl)methyl]telluride with chalcones stereoselectively afforded trans-2-diphenylphosphinoyl-3,5-diaryl-3,4-dihydro-2H-telluropyran derivatives in 51–72% yield, under mild conditions trans-2-diphenylphosphinoyl-3,5-diaryl-3,4-dihydro-2H-telluropyran derivatives in 51–72% yield, under mild conditions trans-2-diphenylphosphinoyl-3,5-diaryl-3,4-dihydro-2H-telluropyran derivatives in 51–72% yield, under mild conditions