16. Goodman J, Macgregor SA (2010) Metallophosphoranes: the hidden face of transition metal–
phosphine complexes. Coord Chem Rev 254:1295–1306
17. Wachter J, Mentzen BF, Riess JG (1981) Synthesis and crystal structure of a (η
5
-C 5 H 5 )(CO) 2 -
molybdenum bicyclophosphoraide: the first transition metal complex with a “R 4 P
–
”-ligand.
Angew Chem Int Ed 20:284
18. Mankad NP, Rivard E, Harkins SB, Peters JC (2005) Structural snapshots of a flexible Cu 2 P 2
core that accommodates the oxidation states Cu
I
Cu
I
, Cu
1.5
Cu
1.5
, and Cu
II
Cu
II . J Am Chem Soc
127:16032–16033
19. Rhee YM, Head-Gordon M (2008) A delicate electronic balance between metal and ligand in
[Cu–P–Cu–P] diamondoids: oxidation state dependent plasticity and the formation of a singlet
diradicaloid. J Am Chem Soc 130:3878–3887
20. Mankad NP, Harkins SB, Antholine WE, Peters JC (2009) Multifrequency EPR studies of
[Cu
1.5
Cu
1.5
]
+ for Cu 2 (μ-NR 2 ) 2 and Cu 2 (μ-PR 2 ) 2 diamond cores. Inorg Chem 48:7026–7032
21. Derrah EJ, Ladeira S, Bouhadir G, Miqueu K, Bourissou D (2011) Original phenyl–P(O) bond
cleavage at palladium(0): a combined experimental and computational study. Chem Commun
47:8611–8613
22. Derrah EJ, Martin C, Mallet-Ladeira S, Miqueu K, Bouhadir G, Bourissou D (2013) Chelating
assistance of P–C and P–H bond activation at palladium and nickel: straightforward access to
diverse pincer complexes from a diphosphine–phosphine oxide. Organometallics
32:1121–1128
23. Cheng M-J, Fu R, Goddard III WA (2014) Design and validation of non-metal oxo complexes
for C–H activation. Chem Commun 50:1748–1750
24. Fu R, Goddard III WA, Chem M-J, Nielsen RJ (2017) Computational design of a pincer
phosphinito vanadium ((OPO)V) propane monoxygenation homogeneous catalyst based on
the reduction-coupled oxo activation (ROA) mechanism. ACS Catal 7:356–364
25. Day GS, Pan B, Kellenberger DL, Foxman BM, Thomas CM (2011) Guilty as charged:
non-innocent behavior by a pincer ligand featuring a central cationic phosphenium donor.
Chem Commun 47:3634–3636
26. Pan B, Xu Z, Bezpalko MW, Foxman BM, Thomas CM (2012) N-heterocyclic phosphenium
ligands as sterically and electronically-tunable isolobal analogues of nitrosyls. Inorg Chem
51:4170–4179
27. Pan B, Bezpalko MW, Foxman BM, Thomas CM (2012) Heterolytic addition of E–H bonds
across Pt–P bonds in Pt N-heterocyclic phosphenium/phosphido complexes. Dalton Trans
41:9083–9090
28. Evers-McGregor DA, Bezpalko MW, Foxman BM, Thomas CM (2016) N-heterocyclic
phosphenium and phosphido nickel complexes supported by a pincer ligand framework. Dalton
Trans 45:1918–1929
29. Pan B, Bezpalko MW, Foxman BM, Thomas CM (2011) Coordination of an N-heterocyclic
phosphenium containing pincer ligand to a Co(CO) 2 fragment allows oxidation to form an
unusual N-heterocyclic phosphinito species. Organometallics 30:5560–5563
30. Poitras AM, Knight SE, Bezpalko MW, Foxman BM, Thomas CM (2018) Addition of H 2
across a cobalt–phosphorus bond. Angew Chem Int Ed 57:1497–1500
31. Hatizis GP, Oliemuller LK, Dickie DA, Thomas CM (2020) N-heterocyclic phosphide complexes of rhodium supported by a rigid pincer ligand. Eur J Inorg Chem 2020:2873–2881
32. Culley SA, Arduengo AJ (1984) Synthesis and structure of the first 10-P-3 species. J Am Chem
Soc 106:1164
33. Dunn NL, Ha M, Radosevich AT (2012) Main group redox catalyst: reversible P
III /P
V redox
cycling at a phosphorus platform. J Am Chem Soc 134:11330–11333
34. McCarthy SM, Lin Y-C, Devarajan D, Chang JW, Yennawar HP, Rioux RM, Ess DH,
Radosevich AT (2014) Intermolecular N–H oxidative addition of ammonia, alkylamines, and
arylamines to a planar σ
3
-phosphorus compound via an entropy-controlled electrophilic mechanism. J Am Chem Soc 136:4640–4650
35. Lee K, Blake AV, Tanushi A, McCarthy SM, Kim D, Loria SM, Donahye CM, Spielvogel KD,
Keith JM, Daly SR, Radosevich AT (2019) Validating the biphilic hypothesis of nontrigonal
phosphorus(III) compounds. Angew Chem Int Ed 58:6993–6998
92
S. Kim et al.
phosphine complexes. Coord Chem Rev 254:1295–1306
17. Wachter J, Mentzen BF, Riess JG (1981) Synthesis and crystal structure of a (η
5
-C 5 H 5 )(CO) 2 -
molybdenum bicyclophosphoraide: the first transition metal complex with a “R 4 P
–
”-ligand.
Angew Chem Int Ed 20:284
18. Mankad NP, Rivard E, Harkins SB, Peters JC (2005) Structural snapshots of a flexible Cu 2 P 2
core that accommodates the oxidation states Cu
I
Cu
I
, Cu
1.5
Cu
1.5
, and Cu
II
Cu
II . J Am Chem Soc
127:16032–16033
19. Rhee YM, Head-Gordon M (2008) A delicate electronic balance between metal and ligand in
[Cu–P–Cu–P] diamondoids: oxidation state dependent plasticity and the formation of a singlet
diradicaloid. J Am Chem Soc 130:3878–3887
20. Mankad NP, Harkins SB, Antholine WE, Peters JC (2009) Multifrequency EPR studies of
[Cu
1.5
Cu
1.5
]
+ for Cu 2 (μ-NR 2 ) 2 and Cu 2 (μ-PR 2 ) 2 diamond cores. Inorg Chem 48:7026–7032
21. Derrah EJ, Ladeira S, Bouhadir G, Miqueu K, Bourissou D (2011) Original phenyl–P(O) bond
cleavage at palladium(0): a combined experimental and computational study. Chem Commun
47:8611–8613
22. Derrah EJ, Martin C, Mallet-Ladeira S, Miqueu K, Bouhadir G, Bourissou D (2013) Chelating
assistance of P–C and P–H bond activation at palladium and nickel: straightforward access to
diverse pincer complexes from a diphosphine–phosphine oxide. Organometallics
32:1121–1128
23. Cheng M-J, Fu R, Goddard III WA (2014) Design and validation of non-metal oxo complexes
for C–H activation. Chem Commun 50:1748–1750
24. Fu R, Goddard III WA, Chem M-J, Nielsen RJ (2017) Computational design of a pincer
phosphinito vanadium ((OPO)V) propane monoxygenation homogeneous catalyst based on
the reduction-coupled oxo activation (ROA) mechanism. ACS Catal 7:356–364
25. Day GS, Pan B, Kellenberger DL, Foxman BM, Thomas CM (2011) Guilty as charged:
non-innocent behavior by a pincer ligand featuring a central cationic phosphenium donor.
Chem Commun 47:3634–3636
26. Pan B, Xu Z, Bezpalko MW, Foxman BM, Thomas CM (2012) N-heterocyclic phosphenium
ligands as sterically and electronically-tunable isolobal analogues of nitrosyls. Inorg Chem
51:4170–4179
27. Pan B, Bezpalko MW, Foxman BM, Thomas CM (2012) Heterolytic addition of E–H bonds
across Pt–P bonds in Pt N-heterocyclic phosphenium/phosphido complexes. Dalton Trans
41:9083–9090
28. Evers-McGregor DA, Bezpalko MW, Foxman BM, Thomas CM (2016) N-heterocyclic
phosphenium and phosphido nickel complexes supported by a pincer ligand framework. Dalton
Trans 45:1918–1929
29. Pan B, Bezpalko MW, Foxman BM, Thomas CM (2011) Coordination of an N-heterocyclic
phosphenium containing pincer ligand to a Co(CO) 2 fragment allows oxidation to form an
unusual N-heterocyclic phosphinito species. Organometallics 30:5560–5563
30. Poitras AM, Knight SE, Bezpalko MW, Foxman BM, Thomas CM (2018) Addition of H 2
across a cobalt–phosphorus bond. Angew Chem Int Ed 57:1497–1500
31. Hatizis GP, Oliemuller LK, Dickie DA, Thomas CM (2020) N-heterocyclic phosphide complexes of rhodium supported by a rigid pincer ligand. Eur J Inorg Chem 2020:2873–2881
32. Culley SA, Arduengo AJ (1984) Synthesis and structure of the first 10-P-3 species. J Am Chem
Soc 106:1164
33. Dunn NL, Ha M, Radosevich AT (2012) Main group redox catalyst: reversible P
III /P
V redox
cycling at a phosphorus platform. J Am Chem Soc 134:11330–11333
34. McCarthy SM, Lin Y-C, Devarajan D, Chang JW, Yennawar HP, Rioux RM, Ess DH,
Radosevich AT (2014) Intermolecular N–H oxidative addition of ammonia, alkylamines, and
arylamines to a planar σ
3
-phosphorus compound via an entropy-controlled electrophilic mechanism. J Am Chem Soc 136:4640–4650
35. Lee K, Blake AV, Tanushi A, McCarthy SM, Kim D, Loria SM, Donahye CM, Spielvogel KD,
Keith JM, Daly SR, Radosevich AT (2019) Validating the biphilic hypothesis of nontrigonal
phosphorus(III) compounds. Angew Chem Int Ed 58:6993–6998
92
S. Kim et al.