Zhang, Jing’s team published research in Organometallics in 27 | CAS: 338800-13-8

Organometallics published new progress about 338800-13-8. 338800-13-8 belongs to pyridine-derivatives, auxiliary class Bis-phosphine Ligands, name is 2,6-Bis((di-tert-butylphosphino)methyl)pyridine, and the molecular formula is C7H7ClN2S, Product Details of C23H43NP2.

Zhang, Jing published the artcileStable Carbene and Diazoalkane Complexes of the Same Complex System. Synthesis, Structure, and Reactivity of PNP-Ru(II) Fluorenylidene and Diazofluorene Complexes, Product Details of C23H43NP2, the publication is Organometallics (2008), 27(14), 3526-3533, database is CAplus.

The choice of synthetic methodol. leads to either carbene or diazoalkane complexes of the same system. Thus, treatment of RuCl2(PPh3)3 with 9-diazofluorene followed tBu-PNP (tBu-PNP = 2,6-bis(di-tert-butylphosphinomethyl)pyridine) resulted in loss of dinitrogen and formation of the Ru(II) fluorenylidene complex 1. On the other hand, treatment of the tBu-PNP Ru(II) dinitrogen complex 4 with 9-diazofluorene resulted in the formation of η1-dizaofluorene Ru(II) complex 5, in which the diazo unit remains intact. The cationic Ru(II) carbene complex 2 was obtained by the reaction of 1 with 1 equivalent of AgBF4 or HBF4. Chloride dissociation to form a 16-e cationic carbene complex 3 took place also upon refluxing of 1 in toluene. The five-coordinated, unsaturated, charge-neutral diiodide Ru(II) complex 6 was obtained by reaction of 4 with NaI. Complex 6 is stabilized by a C-H agostic interaction, as observed by x-ray crystallog. Reaction of 4 with NaBEt3H followed by 9-dizaofluorene resulted in a novel η1-diazenofluorene Ru(II) complex 7, accompanied by the migration of one hydrogen atom from the metal center to the coordinated nitrogen atom of the diazenofluorene unit. Heating complex 7 at 65° resulted in sp2 C-H activation followed by elimination of dihydrogen to form the chelated, β-carbon coordinated diazenofluorene ruthenium complex 8. Complexes 1, 2, 5, 6, and 8 were structurally characterized by x-ray crystallog.

Organometallics published new progress about 338800-13-8. 338800-13-8 belongs to pyridine-derivatives, auxiliary class Bis-phosphine Ligands, name is 2,6-Bis((di-tert-butylphosphino)methyl)pyridine, and the molecular formula is C7H7ClN2S, Product Details of C23H43NP2.

Referemce:
https://en.wikipedia.org/wiki/Pyridine,
Pyridine | C5H5N – PubChem