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(5782):1941–1943. https://doi.org/10.1126/science.1127899
62. Gosiewska S, Herreras Martinez S, Lutz M, Spek AL, van Koten G, Klein Gebbink RJM
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200600508
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45. Bernard LS (1980) Some steric, conformational and entropy effects of tertiary phosphine
ligands. J Organomet Chem 200(1):307–318. https://doi.org/10.1016/s0022-328x(00)88652-0
46. Leis W, Mayer HA, Kaska WC (2008) Cycloheptatrienyl, alkyl and aryl PCP-pincer complexes: ligand backbone effects and metal reactivity. Coord Chem Rev 252
(15–17):1787–1797
47. Winter AM, Eichele K, Mack H-G, Kaska WC, Mayer HA (2008) Prototropic rearrangements
in cycloheptatrienyl PCP pincer iridium complexes. Dalton Trans:527–532. https://doi.org/10.
1039/b712712j
48. Gelman D, Romm R (2013) PC(sp
3
)P transition metal pincer complexes: properties and
catalytic applications. Top Organomet Chem 40:289–318. https://doi.org/10.1007/978-3642-31081-2_10
49. Moore CM, Szymczak NK (2014) Appended functionality in pincer ligands. Wiley, pp 71–94.
https://doi.org/10.1002/9783527681303.ch3
50. McDonald AR, Dijkstra HP (2016) Tethered pincer complexes as recyclable homogeneous
catalysts. Top Organomet Chem 54:335–369. https://doi.org/10.1007/3418_2015_124
51. Hale LVA, Szymczak NK (2018) Hydrogen transfer catalysis beyond the primary coordination sphere. ACS Catal 8(7):6446–6461. https://doi.org/10.1021/acscatal.7b04216
52. Balakrishna MS (2018) Unusual and rare pincer ligands: synthesis, metallation, reactivity and
catalytic studies. Polyhedron 143:2–10. https://doi.org/10.1016/j.poly.2017.07.026
53. Sawamura M, Ito Y (1992) Catalytic asymmetric synthesis by means of secondary interaction
between chiral ligands and substrates. Chem Rev 92(5):857–871. https://doi.org/10.1021/
cr00013a005
54. McLain SJ (1983) Organometallic crown ethers. 1. Metal-acyl binding to a crown ether-held
cation. J Am Chem Soc 105(20):6355–6357. https://doi.org/10.1021/ja00358a051
55. Komarov IV, Gorichko MV, Kornilov MY (1997) Synthesis of chiral functionalized phosphine ligands based on camphor skeleton. Tetrahedron Asymmetry 8(3):435–445. https://doi.
org/10.1016/S0957-4166(97)00003-7
56. Landis CR, Sawyer RA, Somsook E (2000) Synthesis and characterization of a chiral, Aza-15Crown-5-functionalized ferrocenyldiphosphine ligand for asymmetric catalysis. Organometallics 19(6):994–1002. https://doi.org/10.1021/om990391u
57. Malkov AV, Mariani A, MacDougall KN, Kocovsky P (2004) Role of noncovalent interactions in the Enantioselective reduction of aromatic Ketimines with Trichlorosilane. Org Lett 6
(13):2253–2256. https://doi.org/10.1021/ol049213+
58. Albano VG, Bandini M, Melucci M, Monari M, Piccinelli F, Tommasi S, Umani-Ronchi A
(2005) Novel chiral diamino-oligothiophenes as valuable ligands in Pd-catalyzed allylic
alkylations. On the "primary" role of "secondary" interactions in asymmetric catalysis. Adv
Synth Catal 347(11–13):1507–1512. https://doi.org/10.1002/adsc.200505109
59. Gibson SE, Rudd M (2007) The role of secondary interactions in the asymmetric palladiumcatalyzed hydrosilylation of olefins with monophosphine ligands. Adv Synth Catal 349
(6):781–795. https://doi.org/10.1002/adsc.200600458
60. Andrushko V, Andrushko N, Boerner A (2008) P-ligands with additional functional groups -
concepts of secondary interactions and hemilability. Wiley, pp 886–914
61. Das S, Incarvito CD, Crabtree RH, Brudvig GW (2006) Molecular recognition in the selective
oxygenation of saturated C-H bonds by a dimanganese catalyst. Science 312
(5782):1941–1943. https://doi.org/10.1126/science.1127899
62. Gosiewska S, Herreras Martinez S, Lutz M, Spek AL, van Koten G, Klein Gebbink RJM
(2006) Diastereopure cationic NCN-pincer palladium complexes with square planar η
4
-N,C,N,
O coordination. Eur J Inorg Chem 2006(22):4600–4607. https://doi.org/10.1002/ejic.
200600508
63. Gosiewska S, Huis M, de Pater JJ, Bruijnincx PC, Lutz M, Spek AL, van Koten G, Gebbink
RJK (2006) Novel enantiopure non-C 2 -symmetric NCN-pincer palladium complexes with
130
A. Singh et al.