EP1603923-A1  See references of WO 2004081017A1US7728137-B2  Rheingold et al., "Hydrotris(3-mesitylpyrazol-1-yl)borate and Hydrobis(3-mesitylpyrazol-1-yl)(5-mesitylpyrazol-1-yl)borate: Symmetric and Asymmetric Ligands with Rotationally Restricted Aryl Substituents", Inorg. Chem., vol. 32, pp. 3471-3477 (1993).;  Lopez et al., "An H and C NMR spectroscopic study of the structure of potassium and thallium salts of tris- and tetrakis-(pyrazol-1-yl) borates in solution. Some C- B and C- Tl residual coupling constants", Journal of Organometallic Chemistry, vol. 503, pp. 265-276 (1995).;  Bodar-Houillon et al., "Synthesis and Luminescence Properties of a New Tripode Containing 2,2'-Bipyrazine Subunits: The tris-[(6-methyl-2,2'-bipyrazine-2-yl)methyl]amine", Tetrahedron Letters, vol. 36, No. 6, pp. 865-868 (1995).;  Han et al., "The Tris[3-9-Anthryl)Pyrazol-1-YL]Hydroborato Ligand, [TpAnt]: Compositional Disorder Between a Vacancy and a Chain of Three Atoms", Polyhedron, vol. 14, No. 3, pp. 387-391 (1995).;  Caris et al., "Synthesis and NMR Study of Two Lipophilic Iron(III) Sequestering Agents Based on 8-Hydroxyquinoline; H-bonding and Conformational Changes", Tetrahedtron, vol. 52, No. 13, pp. 4659-4672 (1996).;  Armaroli et al., "Luminescence properties of Eu3+, Tb3+, and Gd3+ complexes of the hexadentate N-donor podand tris-[3-(2-pyridyl)pyrazol-1yl]dydroborate", Chemical Physics Letters, vol. 276, pp. 435-440 (1997).;  Armaroli et al., "Structural and Photophysical Properties of Mononuclear and Dinuclear Lanthanide(III) Complexes of Multidentate Podand Ligands Based on Poly(pyrazolyl)borates", Inorg. Chem., vol. 38, pp. 5769-5776 (1999).;  Reeves et al., "Lanthanide complexes of a new sterically hindered potentially hexadentate podand ligand based on a tris(pyrazolyl)borate core; crystal structures, solution structures and luminescence properties", J. Chem. Soc., Dalton Trans., pp. 349-355 (1999).;  Piguet et al., "Tridentate binding units as structural patterns for the design of nine-coordinate lanthanide building blocks with predetermined properties", Journal of Alloys and Compounds, vol. 303-304, pp. 94-103 (2000).;  Woodgate et al., "Synthesis of dioxazaborocines from N,N'-alkylbridged-bis(bis(2-hydroxybenzyl)aminomethyl)amines", Journal of Organometallic Chemistry, vol. 595, pp. 215-223 (2000).;  XXth International Conference on Organometallic Chemistry; Corfu, Jul. 7-12, 2002, Oral Presentations; 0109; C. Slugovc and E. Cremona "Facile Triple C-H Activation Reactions with Iridium- TpPh Complexes", XP002284929 abstract; compounds 1, 2, 3A, 3B.;  Slugovc et al., "Generation of Heteroatom-Substituted Carbene Complexes of Iridium by Double C-H Activation of Ether and Amine Substrates", Angew. Chem. Int. Ed., vol. 39, No. 12, pp. 2158-2160 (2000).;  Slugovc et al., "Investigation of the C-H Activation Potential of [Hydrotris(1H-pyrazolato-N1)borato(1-)]iridium (IrTpx) Fragments Featuring Aromatic Substituents at the 3-Position ofthe Pyrazole Rings", Helvetica Chimica Acta, vol. 84, pp. 2868-2882 (2001).;  Ulrich et al., "Phloroglucinol based podands, versatile tripodal ligands", Tetrahedron Letters, vol. 43, pp. 8835-8837 (2002).;  Bringmann et al., "The directed synthesis of axially chiral ligands, reagents, catalysts, and natural products through the 'lactone methodology'", Journal of Organometallic Chemistry, vol. 661, pp. 49-65 (2002).;  Gade, "Transition metal complexes with polydentate amido ligands: novel structural building blocks and chemical reagents", Journal of Organometallic Chemistry, vol. 661, pp. 85-94 (2002).;  Claramunt et al., "A multinuclear NMR study in the solid state and in solution ofthallium(I) tris-(pyrazol-1-yl)borates (thallium scorpionates)", Journal of Organometallic Chemistry, vol. 689, pp. 463-470 (2004).US2010227978-A1  Ex Parte Chettier (PTAB Decision, Appeal 2016-003639, mailed August 25, 2016.)