Zobrazeno 1 - 10
of 31
pro vyhledávání: '"David L. Pole"'
Autor:
David L. Pole
Publikováno v:
Journal of Pharmaceutical Sciences. 97:1071-1088
This review addresses the use of nonaqueous solvents as components of oral formulations in discovery and preclinical studies. Pharmacology, pharmacokinetic, and safety studies are frequently conducted with solution formulations that use a solvent to
Publikováno v:
Molecular Pharmaceutics. 4:539-549
DELPHI is an expert system that has been developed to predict possible degradants of pharmaceutical compounds under stress testing conditions. It has been programmed with the objective of finding relevant degradation pathways, identifying degradant s
Autor:
Roland Boese, John Warkentin, Armin de Meijere, Sergei I. Kozhushkov, Thomas Haumann, David L. Pole, Dmitry S. Yufit, Pradeep K. Sharma
Publikováno v:
Liebigs Annalen. 1996:601-612
The cycloaddition reactions of several dialkoxycarbenes generated in situ from the corresponding 2,2-dialkoxy-Δ3-1,3,4-oxadiazolines of the type 3 with bicyclopropylidene 1 afford the dialkyl acetals of dispiro[2.0.2.1]heptane-7-one (4), whereas the
Publikováno v:
Inorganic Chemistry. 37:4278-4283
The kinetics of formation of the silicate cubic octamer, Q(3)(8), in aqueous tetramethylammonium (TMA) silicate solutions was investigated by (29)Si NMR. The rate equation for solutions at pH 13.2-13.6 is d[Q(3)(8)]/dt = k(f) [H(+)](1.6)(+/-)(0.1)[TM
Autor:
Lisa C. F. Chao, Stacey Brydges, James F. Britten, Michael J. McGlinchey, David L. Pole, Hari K. Gupta
Publikováno v:
Chemistry - A European Journal. 4:1201-1205
The first nondisordered structure of a free tropylium cation has been unequivocally determined by single-crystal X-ray diffraction. The solid-state structure of the heptaphenylcycloheptatrienyl cation, C7Ph7+, in [C7Ph7+][CF3CO2−]⋅2 CF3CO2H revea
Autor:
David L. Pole, Stacey Brydges, and Alex D. Bain, Michael J. McGlinchey, Suzie S. Rigby, Mark Stradiotto, Siden Top
Publikováno v:
The Journal of Organic Chemistry. 63:3735-3740
Publikováno v:
Tetrahedron Letters. 38:5081-5084
Treatment of 1-diazo-3-(2-thienyl)-2-propanone with catalytic rhodium (II) acetate results in cyclopropanation followed by acid-catalyzed ring opening and tautomerization to yield 5,6-dihydro-4H-cyclopenta[b]thiopen-5-one. Under the same conditions,
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1565-1570
The formal insertion of dimethoxycarbene (1a) into the acidic C–H bond of pentane-2,4-dione (9a), methyl acetoacetate (9b), 3-methylpentane-2,4-dione (9c) and 1,3-diphenylpropane-1,3-dione (9d) is reported as well as the insertion of 3-benzoyloxazo
Publikováno v:
Canadian Journal of Chemistry. 74:1480-1489
Four 2-methoxy-5,5-dimethyl-Δ3-1,3,4-oxadiazolines bearing an alkylthio or arylthio group at C2 were prepared. The oxadiazolines undergo thermolysis at 60–80 °C in solution to afford the corresponding oxythiocarbene intermediates. In the absence
Publikováno v:
Canadian Journal of Chemistry. 74:1335-1340
Methoxy-(2-trimethylsilyl)ethoxycarbene reacts with two equivalents of dimethyl acetylene dicarboxylate, methyl propiolate, phenyl acetylene, or phenyl isocyanate without rearrangement of the carbene group. N-Phenylmaleimide captures the carbene with