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87Sr/86Sr and Sr/Ca in speleothems for paleoclimate reconstruction in Central China between 70 and 280 kyr ago

Autor: Hai Cheng, R. Lawrence Edwards, Wang Sheng Tsai, Teh-Lung Ku, Chen-Feng You, Hong-Chun Li, Mung Dar Li, Zhi Bang Ma

Publikováno v: Geochimica et Cosmochimica Acta. 69:3933-3947

Limestone cave deposits (speleothems) provide archives for past changes in regional climates over a range of timescales. While δ18O and δ13C in speleothem calcite have been commonly used for reconstruction of paleoclimates, we report here further e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aafe999ab35f04845907aab7c67f60ce
https://doi.org/10.1016/j.gca.2005.01.009

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Substitution Reactions of Aluminum Organoamide Complexes [Al(μ-NR2)nCl3-n]2 (R = Et, iPr; n ≤ 3) with LiNR‘R‘‘ (R‘ = R‘‘ = iPr, Et; R‘ = H, R‘‘ = iPr): Crystal Structure of [Al(μ-NEt2)(NiPr2)X]2 (X = Cl, H) and AlCl3(NiPrH2)2{Al(NH3)(NH2)[Al(NiPrH)(NiPr)Cl]2}2

Autor: Gene-Hsiang Lee, Mung-Dar Li, Michael Y. Chiang, Yu Wang, Shie-Ming Peng, Chung-Cheng Chang

Publikováno v: Inorganic Chemistry. 36:1955-1960

As part of our ongoing study of different substituents of Al2N2 ring systems, the synthesis, structural characterization, and spectroscopic studies on several amido derivatives of four-coordinated aluminum are described. The compounds Al2(NEt2)2(NiPr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd740f79361a78839a42540150ec8fd5
https://doi.org/10.1021/ic950539b

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Synthesis, Characterization, and Crystal Structures of {Me2Al(μ-i-Pr2N)2Mg[(R)NC(Me)N(R)]} (R = i-Pr, t-Bu): Insertion of a Carbodiimide (RNCNR) into a Mg−C Bond

Autor: Yu Wang, Mung-Dar Li, Gene-Hsiang Lee, Chung-Cheng Chang

Publikováno v: Organometallics. 15:2571-2574

A series of amidino-bridged mixed-metal aluminum−magnesium complexes, {[R2Al(μ-R‘2N)2Mg[(R‘‘)NC(R)N(R‘‘)]} (R = Me, R‘ = i-Pr, R‘‘ = i-Pr, 1a; R = Me, R‘ = i-Pr, R‘‘ = t-Bu, 1b; R = Me, R‘ = i-Pr, R‘‘ = p-tolyl, 1c; R =

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c1a390480f530f52e600c4e22184d1c
https://doi.org/10.1021/om9508703

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Reactions of Diethylaminodimethylaluminum Dimer with the Tripodal Ligands CH3C(CH2NH2)2(CH2OH) and CH3C(CH2NH2)(CH2OH)(CH2SPh): Crystal Structure of [AlMe2]3Al[CH3C(CH2NH)2(CH2O)]2

Autor: Chung-Cheng Chang, Shiu-Tzung Liu, Mung-Dar Li, Michael Y. Chiang

Publikováno v: Inorganic Chemistry. 37:1655-1657

Trinuclear and tetranuclear aluminum compounds were obtained from the reaction of bis(diethylamino dimethylaluminum) and the tripodal ligands containing N, S, O and N, O donor atoms. The single-crystal X-ray diffraction study of the novel tetranuclea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::11eca8205f993cf4243243c66489c244
https://doi.org/10.1021/ic971084o

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Sterically Hindered Aluminum-Magnesium Bridged Complex: {Me2Al[.mu.-N(iC3H7)2]2Mg[O-2,6-(tC4H9)2-4-MeC6H2]}

Autor: Shie-Ming Peng, Tzong-Yih Her, Mung-Dar Li, Chung-Cheng Chang, Yu Wang, Gene-Hsiung Lee, Rodney Williamson

Publikováno v: Inorganic Chemistry. 34:4296-4298

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7d7f923ed13f14d4cc248e32cec396c
https://doi.org/10.1021/ic00121a005

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Synthesis and Crystal Structure of the Novel Organoaluminum Complex [Al(CH3C(CH2NH)3)2(Al(CH3)2)3]

Autor: Shiuh-Tzung Liu, Mung-Dar Li, Shie-Ming Peng, Chung-Cheng Chang, Yu Wang, Gene-Hsiang Lee

Publikováno v: Organometallics. 13:1504-1506

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c3e3c2dbd91a34936a939d725e98571
https://doi.org/10.1021/om00016a060

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