Zobrazeno 1 - 10
of 12
pro vyhledávání: '"David W. Hoard"'
Autor:
Marvin M. Hansen, Jennifer Kuehne-Willmore, Amy C. DeBaillie, Molly Harding, Joseph R. Martinelli, Daniel J. Jarmer, Michael J. McCulley, Dominique Huber, Michael E. Laurila, Thomas J. Martin, David W. Hoard, Theo Zweifel, Ryan J. Linder, Stanley P. Kolis, Nikolay Zaborenko, Enver Arslantas, Rachel N. Richey, Derek R. Starkey, Thomas Kull, Adrienne Hollister, Jeffrey A. Ward, Andrea L. Frederick
Publikováno v:
Organic Process Research & Development. 19:1214-1230
An efficient synthesis of LY2886721 (1) in five steps and 46% overall yield from the chiral nitrone cycloadduct 2 is presented. Minimizing formation of a des-fluoro impurity during hydrogenolysis to cleave the isoxazolidine ring and remove the benzyl
Autor:
Martin Müllner, Kevin A. Sullivan, Michael E. Laurila, Richard D. Miller, Michael Leroy Phillips, Tanja Leitner, Mario Waser, David W. Hoard, Marvin M. Hansen, Chaoyu Xie, Marcus Kordian, Sandy S. K. Borders, Jeffrey A. Ward, Michael E. LeTourneau, Eric D. Moher, Cheryl A. Bye, Brigitte Herzog-Krimbacher
Publikováno v:
Organic Process Research & Development. 15:1266-1274
To fuel clinical development of the experimental CNS medicine LY2140023, we developed a scalable route for the multistep synthesis of a pivotal synthetic intermediate. The core of the conformationally restricted glutamic acid-based amino acid analogu
Publikováno v:
Organic Letters. 4:1813-1815
[reaction: see text] A synthesis of cryptophycin 52 is reported using a Shi epoxidation strategy to install the epoxide moiety in a diastereoselective fashion. Several epoxidation results for cryptophycin substrates are disclosed followed by a discus
Autor:
David W. Hoard, Paul R. Sharp
Publikováno v:
Inorganic Chemistry. 32:612-620
Treating [Cp[sup *]Rh([mu]-Cl)Cl][sub 2] (Cp[sup *] = C[sub 5]Me[sub 5] = pentamethylcyclopentadienyl) with excess Na(Hg) (0.4%) in CH[sub 2]Cl[sub 2] gives deep blue [Cp[sup *]Rh([mu]-Cl)][sub 2] (1). The structure consists of two independent, nearl
Publikováno v:
Organic Process Research & Development. 3:64-66
A simple three-step preparation of (R)-(−)-1-piperidino-3,3-dimethylbutan-2-ol (amino alcohol catalyst for the Noyori asymmetric alkylation of aldehydes) based on a classical resolution of the race...
Autor:
Ivan Collado, Eric D. Moher, Joseph P. Tizzano, Concepcion Pedregal, David W. Hoard, T. Rosario Gonzalez, Jaime Blanco-Urgoiti, Rebecca A. Wright, Darryle Darwin Schoepp, Javier Pérez-Castells, Kelly I. Griffey, Alicia Marcos, Ana Belén Bueno, Ann E. Kingston, Bryan G. Johnson
Publikováno v:
Journal of medicinal chemistry. 47(2)
The asymmetric synthesis and biological activity of (2S,1‘S,2‘R,3‘R)-2-(2‘-carboxy-3‘-hydroxymethylcyclopropyl) glycine ((+)-3) is described. This novel C-3‘ substituted carboxy cyclopropyl glycine is a highly potent group 2 and group 3 m
Publikováno v:
Organic letters. 4(10)
[reaction: see text] A synthesis of cryptophycin 52 is reported using a Shi epoxidation strategy to install the epoxide moiety in a diastereoselective fashion. Several epoxidation results for cryptophycin substrates are disclosed followed by a discus
Publikováno v:
Journal of the American Chemical Society. 112:2024-2026
The authors report the chemical preparation and some preliminary reaction chemistry of [Cp[sup *]Rh([mu]-Cl)][sub 2] (1) (Cp[sup *] = C[sub 5]Me[sub 5]), a Rh(II) dimer with a reactive Rh-Rh bond. While many Rh(II) complexes containing Rh-Rh bonds ha
Autor:
Stanley P. Kolis, MarvinM. Hansen, Enver Arslantas, Lukas Brändli, Jonas Buser, Amy C. DeBaillie, Andrea L. Frederick, David W. Hoard, Adrienne Hollister, Dominique Huber, Thomas Kull, Ryan J. Linder, Thomas J. Martin, Rachel N. Richey, Alfred Stutz, Michael Waibel, Jeffrey A. Ward, Alexandru Zamfir
Publikováno v:
Organic Process Research & Development; Sep2015, Vol. 19 Issue 9, p1203-1213, 11p
Autor:
Marvin M. Hansen, Daniel J. Jarmer, Enver Arslantas, Amy C. DeBaillie, AndreaL. Frederick, Molly Harding, David W. Hoard, Adrienne Hollister, Dominique Huber, Stanley P. Kolis, Jennifer E. Kuehne-Willmore, Thomas Kull, Michael E. Laurila, Ryan J. Linder, Thomas J. Martin, Joseph R. Martinelli, Michael J. McCulley, Rachel N. Richey, Derek R. Starkey, Jeffrey A. Ward
Publikováno v:
Organic Process Research & Development; Sep2015, Vol. 19 Issue 9, p1214-1230, 17p