. 2024 Sep 6;43(20):2674–2685. doi: 10.1021/acs.organomet.4c00302

Table 2. Chemical Shifts (ppm) of 1-R and 3-R and ¹J_P–Se Coupling Constants (Hertz) of 3-R Determined by ³¹P{¹H} NMR Spectroscopy in Toluene-d₈.

R	δ/ppm (1-R)	δ/ppm (3-R)	¹J_P–Se/Hz (3-R)
NMe₂	107.8	108.8	794
OMe	111.7	112.0	801
Me	113.4	113.3	804
H	115.1	114.1	806
F	115.2	114.4	806
CF₃	119.7	116.4	810

Table 2. Chemical Shifts (ppm) of 1-R and 3-R and 1JP–Se Coupling Constants (Hertz) of 3-R Determined by 31P{1H} NMR Spectroscopy in Toluene-d8.