Zobrazeno 1 - 10
of 18
pro vyhledávání: '"David C. Whritenour"'
Autor:
Abhijit S. Bhat, David Tumelty, Javier Magano, Douglas Farrand, Jeffrey P. Haase, John J. Teixeira, John D. Rizzo, Mark T. Maloney, David C. Whritenour, Michael Lovdahl, Mark John Pozzo, Curt W. Bradshaw
Publikováno v:
Tetrahedron Letters. 53:1385-1389
An optimized and scalable synthesis of a novel analytical reagent for the determination of the number of active sites available for conjugation on a catalytic aldolase monoclonal antibody (mAb) is described. The original conditions suffered from lack
Autor:
Dwight A Trieber, Jeffery G Saven, Ffrancon Williams, David C Whritenour, Paola Cimino, Saba M Mattar, Vincenzo Barone, Guo-Fei Chen, Paul H. Scudder
Publikováno v:
The Journal of Physical Chemistry B. 113:9026-9034
An integrated experimental and computational approach was used to compare the properties of representative molecules containing intrabridgehead nitrogen atoms with those of the corresponding radical cations issuing from one-electron oxidation with th
Publikováno v:
Organic Process Research & Development. 13:324-330
Several synthetic approaches to a corticotropin-releasing factor (CRF) antagonist containing a tetrasubstituted pyridine were evaluated. In particular, nucleophilic aromatic substitutions on 2,4-dichloropyridine derivatives were attempted using 2,6-d
Publikováno v:
Organic Process Research & Development. 11:1141-1146
The potential hazards from cyclopentadiene storage and use on kilogram scale are studied under adiabatic conditions. Cyclopentadiene, a reagent commonly used in organic synthesis, is known to spontaneously dimerize exothermically and thus should be s
Autor:
Kathleen S. Zandi, William Kissel, Brian M. Andresen, Chiu Charles K, John Charles Kath, David C. Whritenour, Matthew Frank Brown, Tung Le, Z. Jane Li, Eric Dias, Richard A. Buzon, Michel Couturier, Bryan Li, John L. Tucker, V. John Jasys, Joanna Teresa Negri, Poss Christopher Stanley, Frank J. Urban
Publikováno v:
Organic Process Research & Development. 9:466-471
Process development for the synthesis of 2-quinoxalinecarboxamide, N-[(1S,2S,4R)-4-(aminocarbonyl)-1-[(3-fluorophenyl)methyl]-2,7-dihydroxy-7-methyloctyl] is described. An optimized and streamlined process starting from lactone 2 was developed: Lacto
Autor:
Michael C. Wirtz, David C. Whritenour, Karl Ng, Robert A. Singer, Michael G. Vetelino, Jotham Wadsworth Coe, Enrique Vazquez, Paige Roanne Palmer Brooks, Stephane Caron, Harry H. Watson
Publikováno v:
Synthesis. 2004:1755-1758
Preparations of 2,3,4,5-tetrahydro-1,5-methano-1H-3-benzazepine (5) from benzonorbornadiene (1) by oxidative cleavage and reductive amination sequences were investigated. Osmium-mediated dihydroxylation of 1 followed by NaIO 4 cleavage, reductive ami
Publikováno v:
Journal of Chemical Research. 2006:478-480
A streamlined process for the synthesis of 3-amino-1-benzhydrylazetidine is described. Commercially available 1-benzhydrylazetidin-3-ol was reacted with methanesulfonyl chloride in the presence of triethylamine in acetonitrile, upon quench with water
Publikováno v:
Organic Process Research & Development. 5:539-541
Autor:
Peter Somfai, David C. Whritenour, John C. Roberts, Michael H. Nantz, Tadashi Tamura, Satoru Masamune, Masanori Kageyama
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 25
Novel bridged phthalein dyes substituted with a diisopropylamide ortho to the bridge are stable at high pH; with a chromogenically active auxochrome ortho to the meso carbon, a hypsochromic shift, band narrowing, and an increased molar absorptivity o