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. 2020 Mar 27;59(8):5463–5474. doi: 10.1021/acs.inorgchem.0c00091

Table 2. ³¹P{¹H} NMR Data of 2, 3, 2a–c, 3a, and 3c.

	chemical shifts [ppm]				coupling constants [Hz]
compound	(R-)P1	tBu₂P2	R′₃P3	R′₃P4	¹J_P1P2²J_P1P3²J_P1P4	²J_P2P3²J_P2P4²J_P3P4	¹J_P1Pt¹J_P2Pt¹J_P3Pt¹J_P4Pt
2	–38.8	77.5	30.5	22.5	615	206	52
					2	34	1906
					21	4	3452
					21	4	3397
3	–48.2	71.5	58.3	42.6	622	214	116
					12	31	1894
					26	11	3358
					26	11	2915
2a	–97.7	61.2	22.3		483	295	349
					8		1653
					8		3623
2b	–30.6	64.2	21.5		520	299	170
					6		1598
							3523
2c	–68.0	54.8	23.4		483	299	432
					8		1694
					8		3606
3a	–130.8	54.5	51.2	49.9	455	230	290
					36	24	1710
					71		2990
					71		2774
3c	–120.1	67.9	50.1	47.1			416
							1696
							3052
							2854