667430-40-2

Upstream product

• 109-99-9 tetrahydrofuran 
• 83524-76-9 4,4'-methylenebis(3,5-dimethylpyrazole) 
• 2175-90-8 6,6-Diphenylfulvene 

Downstream Products

• 948037-57-8 [HfCl₃(2,2-bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethylcyclopentadienyl)] 
• 948037-56-7 [TiCl₃(2,2-bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethylcyclopentadienyl)] 
• 1215085-49-6 [Mg(CH2SiMe3)(κ2-η5-bpzcp)] 
• 1215085-45-2 [Mg(Me)(κ2-η5-bpzcp)] 
• 1215085-46-3 [Mg(Et)(κ2-η5-bpzcp)] 
• 1029025-79-3 [YCl₂(2,2-bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethylcyclopentadienyl)(tetrahydrofuran)] 
• 1029025-78-2 [ScCl₂(2,2-bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethylcyclopentadienyl)(tetrahydrofuran)] 
• 1215085-55-4 [ZnCl(κ2-η1(π)-2,2-bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethylcyclopentadienyl)] 
• 667430-41-3 [ZrCl₃(2,2-bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethylcyclopentadienyl)] 

Relevant academic research and scientific papers

Synthesis and Structure of a New Bulky Hybrid Scorpionate/Cyclopentadienyl Ligand and its Lithium Complex

The reaction of 5-(1-adamantyl)-3-methyl-1H-pyrazole with dibromomethane yields a product mixture of bis(3-adamantyl-5-methylpyrazolyl)methane (H2C(PzAd,Me)2, 2 a), (3-adamantyl-5-methylpyrazolyl)-(3-methyl-5-adamantylpyrazolyl)methane ((H2C(PzAd,Me)(PzMe,Ad), 2 b) and bis(3-methyl-5-adamantylpyrazolyl)methane (H2C(PzMe,Ad)2, 2 c). Lithiation of sterically congested H2C(PzAd,Me)2 (2 a) and subsequent addition of diphenylfulvene yields lithium 1,1-bis(3-adamantyl-5-methylpyrazolyl)-2,2-diphenyl-2-ethyl-cyclopentadienide, [(thf)Li{Cp?CPh2?CHPzAd,Me}] (3) which is unable to form a thf adduct but can be hydrolyzed to H5C5?CPh2?CHPzAd,Me (4). Adamantyl groups in 5-position of bis(pyrazolyl)methane, i. e. 2 b and 2 c, prohibit formation of a fulvene adduct. For comparison reasons, [{H5C5?CPh2?CHPzMe2}LiI] (1 b) has been prepared via protolysis of (thf)lithium 1,1-bis(3,5-dimethylpyrazolyl)-2,2-diphenyl-2-ethyl-cyclopentadienide, [(thf)Li{Cp?CPh2?CHPzMe2}] (1 a), in the presence of calcium iodide.