Synthetic Route of 1608-26-0, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 1608-26-0, P[N(CH3)2]3. A document type is Article, introducing its new discovery.
YLURES SANS SEL, EVOLUTION EN PHOSPHORANES ET EQUILIBRE YLURE <*> PHOSPHORANE I. SYNTHESE ET STRUCTURE
Synthesis of new salt-free ylids 9, 12 to 16, 19, 20, 22, 27 and 29 and phosphoranes 10, 17, 18, 21, 23, 30 to 33 by addition of a trivalent phosphorus compound (phosphites and amino-phosphines) 1 to 7 with dimethyl acetylenedicarboxylate in presence of a protic trapping reagent are described.The results are consistent with trapping of carbanionic species.In relation with the cyclic or acyclic structure of the trivalent phosphorus compound and the protic trapping reagent ie: methanol, phenol, carboxylic acid, etc.., several pathways are involved.Clearly, three phenomena are shown: one can obtain an ylid via a phosphorane or conversely a phosphorane via an ylid or an equilibrium phosphorane <*> ylid.Results are dealing with thermodynamic or kinetically controlled reactions.
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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate