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Organic-Soluble Cyclic and Cage Alkylaluminophosphates: X-ray Crystal Structure of [(tBu)2Al(m2-O)2P(OSiMe3)2]2

Organic-Soluble Cyclic and Cage Alkylaluminophosphates: X-ray Crystal Structure of [(tBu)2Al(m2-O)2P(OSiMe3)2]2. Mason, Mark R.; Matthews, R. Mark; Mashuta, Mark S.; Richardson, John F. (Department of Chemistry, University of Louisville, Louisville, KY 40292, USA). Inorganic Chemistry, 35(20), 5756-5757 (English) 1996 American Chemical Society. CODEN: INOCAJ. ISSN: 0020-1669. DOCUMENT TYPE: Journal CA Section: 29 (Organometallic and Organometalloidal Compounds) Section cross-reference(s): 75 The org.-sol. eight-membered alkylaluminophosphate [(tBu)2Al(m2-O)2P(OSiMe3)2]2 (1) and tetramer [(tBu)Al(m2-O)3P(OSiMe3)]4 (2) were prepd. by equimolar reaction of (Me3SiO)3P:O with tBu2AlCl and tBuAlCl2, resp. Spectroscopic (1H, 13C, 31P NMR; MS), anal., and x-ray crystallog. data confirms a cyclic Al2P2O4 framework for 1 that is analogous to four membered ring secondary building units in some AlPO4 mol. sieves. Spectroscopic (1H, 13C, 31P NMR; MS) and anal. data similar suggest that 2 has a cubic Al4P4O12 core analogous to double four ring (D4R) secondary building units in AlPO4 materials. 1 Crystallizes in the monoclinic space group C2/c with a 21.040(12), b 12.778(9), c 20.298(13) ?, b 118.26(6)°, Z = 4, R = 0.054, and Rw = 0.055.Except for chemicals metioned above, 10497-05-9 and 183113-07-7 are also used. .

Dipole moments of organophosphorus compounds

Dipole moments of organophosphorus compounds. Communication 16.Several reagents such as 10497-05-9 is used here. Study of the conformations of trimethylsilyl groups in some phosphites, phosphates, and phosphonates. Varnavskaya-Samarina, O. A.; Ishmaeva, E. A.; Romanov, G. V.; Nazmutdinov, R. Ya.; Remizov, A. B.; Pudovik, A. N. (Inst. Org. Fiz. Khim. im. Arbuzova, Kazan, USSR). Izv. Akad. Nauk SSSR, Ser. Khim., (2), 363-9 (Russian) 1978. CODEN: IASKA6. ISSN: 0002-3353. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The dipole moments of (Me3SiO)3PX, (Me3SiO)2PhPX, and (Me3SiO)(EtO)2PX (X = electron pair, O, S, Se) (12 compds.) were detd. and correlated with conformation, Kerr consts. and IR data.Chemical with cas number 10497-05-9 also plays role. The predominant conformation in the phosphates and phosphonates had the PX and Me3SiO groups cis. In the tricoordinated compds. the Me3SiO group was gauche to the unshared pair. ..