2026-09-22T10:31:50Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/505442021-07-05T14:03:20Zcom_1721.1_7582com_1721.1_7581col_1721.1_131022
Richard R. Shrock.
O'Donoghue, Myra Brigid, 1966-
Massachusetts Institute of Technology. Dept. of Chemistry.
Massachusetts Institute of Technology. Department of Chemistry
2010-01-07T20:51:16Z
2010-01-07T20:51:16Z
1999
1999
http://hdl.handle.net/1721.1/50544
43852050
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1999.
Includes bibliographical references.
{ [N 3N]Mo-N=N} 2Mg(THF)2, isolated from the reduction of [N3N]MoCl by magnesium powder under dinitrogen, serves as an entry into the dinitrogen chemistry of molybdenum complexes containing the TMS-TREN ligand. ... Five coordinate tungsten oxo alkylidene complexes of the general type (ArO)2W(O)(CHtBu)(PR 3 ) (Ar = 2,6-Ph2C6H3 ) are synthesized by reaction of Ta(CHtBu)(PR 3)2X3 (X = Cl, Br) with W(O)(OtBu) 4. 1H NMR spectroscopy reveals that only the syn rotamer is present in solution and PPh2Me is labile on the NMR time scale.
by Myra Brigid O'Donoghue.
Ph.D.
178 leaves
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
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http://dspace.mit.edu/handle/1721.1/7582
Chemistry.
Dinitrogen and organometallic chemistry of trimethylsilyl-substituted triamidoamine complexes of molybdenum
Thesis
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<Abstract>{ [N 3N]Mo-N=N} 2Mg(THF)2, isolated from the reduction of [N3N]MoCl by magnesium powder under dinitrogen, serves as an entry into the dinitrogen chemistry of molybdenum complexes containing the TMS-TREN ligand. ... Five coordinate tungsten oxo alkylidene complexes of the general type (ArO)2W(O)(CHtBu)(PR 3 ) (Ar = 2,6-Ph2C6H3 ) are synthesized by reaction of Ta(CHtBu)(PR 3)2X3 (X = Cl, Br) with W(O)(OtBu) 4. 1H NMR spectroscopy reveals that only the syn rotamer is present in solution and PPh2Me is labile on the NMR time scale.</Abstract>
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