1076189-13-3

Upstream product

• 691-24-7 1,3-di-tert-butylcarbodiimide 
• 591-51-5 phenyllithium 
• 958298-92-5 chloro(N,N'-bis(2,6-diisopropylphenyl)(tert-butyl)amidinato)tin(II) 
• 1076188-94-7 [PhC(NtBu)₂Ge]₂ 

Downstream Products

• 1076188-94-7 [PhC(NtBu)₂Ge]₂ 
• 1314090-41-9 (CH₂)(CH₃)C₃HN₂(C₆H₃(C₃H₇)2)2Ge(C₆H₅)(C₄H₉)2CN₂GeCl 
• 1571071-85-6 C₅₀H₇₇Ge₃N₅ 
• 1449240-91-8 C₄₀H₆₂GeN₂ 
• 603-35-0 triphenylphosphine 

Relevant academic research and scientific papers

Zwitterionic base-stabilized digermadistannacyclobutadiene and tetragermacyclobutadiene

The syntheses of a zwitterionic base-stabilized digermadistannacyclobutadiene and tetragermacyclobutadiene supported by amidinates and low-valent germanium amidinate substituents are described. The reaction of the amidinate GeI dimer, [LGe:]2 (1, L=PhC(NtBu)2), with two equivalents of the amidinate tin(II) chloride, [LSnCl] (2), and KC8 in tetrahydrofuran (THF) at room temperature afforded a mixture of the zwitterionic base-stabilized digermadistannacyclobutadiene, [L2Ge2Sn2L 2] (3; L=LGe:), and the bis(amidinate) tin(II) compound, [L 2Sn:] (4). Compound 3 can also be prepared by the reaction of 1 with [LArSnCl] (5, LAr=tBuC(NAr)2, Ar=2,6-iPr 2C6H3) in THF at room temperature. Moreover, the reaction of 1 with the "onio-substituent transfer" reagent [4-NMe2-C5H4NSiMe3]OTf (8) in THF and 4-(N,N-dimethylamino)pyridine (DMAP) at room temperature afforded a mixture of the zwitterionic base-stabilized tetragermacyclobutadiene, [L 4Ge6] (9), the amidinium triflate, [PhC(NHtBu) 2]OTf (10), and Me3SiSiMe3 (11). X-ray structural data and theoretical studies show conclusively that compounds 3 and 9 have a planar and rhombic charge-separated structure. They are also nonaromatic.

RGe(I)Ge(I)R compound (R = PhC(NtBu)2) with a Ge - Ge single bond and a comparison with the gauche conformation of hydrazine

This article reports the reduction of the chloride [PhC(NtBu) 2]GeCl with potassium in THF to afford the reddish crystals of [PhC(NtBu)2]2Ge2 (2). The molecule of 2 contains a Ge-Ge bond. The X-ray structure and DFT calculation indicate that the Ge-Ge bond possesses an unusual gauche-bent geometry. The Ge - Ge bond length in 2 is 2.570 A, which is very close to the single Ge - Ge interaction (2.61 A) but significantly longer than that for typical digermenes, R 2GeGeR2 (2.21 -2.51 A) and the two structurally characterized digermynes (2.2850 A and 2.2060 A), which proves that there is no multiple bond character in 2.