Theoretical and experimental investigation of reactions between dialkyl phosphites and tert-butylphosphaethyne-butylphosphaethyne revealed that the preferred reaction route resulted in formation of
a phosphaalkene containing
a fragment C
On projective motions of five-dimensional spaces of special form pseudo-Riemannian manifolds (M, g) admitting projective motions (h-spaces).
A similar problem for n
Rearrangements and proton transfer in nitrones by quantum chemistry and molecular dynamics oxaziridine, is via the structure C(O)H2-NH and then directly to the amide product. © 2002 Elsevier Science B.
V Diagrams of isoshielding lines of C-N bonds and nitrogen and phosphorus lone pairs, as well as
a C-N bond, have been calculated. The magnetic shielding constants of the protons were
Contributions of localized MO's to the magnetic shielding constants of protons in YPX3 molecules molecules have been carried out. 2. The decisive contribution to the shielding of
a proton is made by the C