Electric Literature of 12150-46-8, 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. 12150-46-8, C34H28FeP2. A document type is Article, introducing its new discovery.
Treatment of the thiosemicarbazones 3-CH3(CH2)5OC6H 4C(Me)=NN(H)C(=S)NH2 (a), 4-MeC6H4C(Me)=NN(H)=C(S)NH2 (b), C6H5C(Et)=NN(H)=C(S)NH2 (c), C6H5C{CH3(CH2) 10}=NN(H)=C(S)NH2 (d) and 4-MeC6H4C(Me)=NN(H)=C(S)NHMe (e) with K2[PtCl4] gives tetranuclear platinum(II) compounds 1a-1e with deprotonation of the -NH- group and with the ligand acting as a terdentate [C,N,S] moiety. Reaction of 1a-1e with PPh3 and of 1a with P(4-MeOC6H4)3 yielded mononuclear species 2a-2e and 3a, respectively. Treatment of 1a with the diphosphines Ph2PCH2PPh2 (dppm), Ph2P(CH2)2PPh2 (dppe), Ph2P(CH2)3PPh2 (dppp), Ph2P(CH2)4PPh2 (dppb), Ph2P(CH2)5PPh2 (dpppe), Ph2P(CH2)6PPh2 (dpph), and 1,1?-ferrocenebis(diphenylphosphine) (dppf) gives dinuclear compounds 4a-10a. In all cases the Pd-Schelating bond is strong enough to withstand reaction with the phosphorus ligands without bond cleavage. The molecular structure of 2b has been determined by X-ray crystallography. Mononuclear units are held together by hydrogen bonding, forming dimers in the solid state.
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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