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- W2951286779 abstract "1: [(Cp*2 ZrH3Li)3] (0.1 g, 0.27 mmol) was dissolved in THF (3 mL), PH2CH2CH2PH2 (1.0 g, 10.87 mmol) was added dropwise to the stirred, colorless solution which became green, then aquamarine, and finally blue, over a period of 30 min. The reaction was stirred for 72 h, until it became colorless. Solvent was removed in vacuo, leaving a white solid which was dissolved in hexane, filtered, and placed in a freezer (y35 8C). Colorless, X-ray quality crystals (0.86 g, 87% yield) precipitated from solution, over 24 h. 1H NMR (C6D6): d 3.65 (dt, 2H, 1JP,H 330, 3JH,H 10 Hz), 2.43 (m, 2H), 1.87 (m, 2H), 1.14 (m, 2H), 0.74 (m, 2H); 13C{1H} NMR (C6D6): d 38.36, 30.66; 31P NMR (C6D6): dy22.5 (P1: JP1,P1y237, JP1,P0y186, 2JP1,P0 20 Hz), y65.4 (P0: 1JP1,P1y237, 1JP1,P0y186, 2JP1,P0 20 Hz); elemental analysis (%) calcd for P4C4H10: C 26.39, H 5.54; found: C 26.18, H 5.42." @default.
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- W2951286779 date "2010-05-25" @default.
- W2951286779 modified "2023-09-24" @default.
- W2951286779 title "ChemInform Abstract: Experimental and Theoretical Observations of Aromaticity in Heterocyclic XAl3- (X: Si, Ge, Sn, Pb) Systems." @default.
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- W2951286779 doi "https://doi.org/10.1002/chin.200133001" @default.
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