Zobrazeno 1 - 8
of 8
pro vyhledávání: '"John T. Henri"'
Autor:
Jeffrey N. Hemenway, Sajiv K. Nair, Pekka Jarho, Gunda I. Georg, Valentino J. Stella, David VanderVelde, John T. Henri
Publikováno v:
Journal of Pharmaceutical Sciences. 99:1810-1825
N-acyl-urea derivatives of carbamazepine (CBZ) were synthesized through the reactions of iminostilbene with acyl-isocyanates to form N-glycyl-carbamazepine (N-Gly-CBZ, after a deprotection step) or N-acetyl-carbamazepine (N-acetyl-CBZ). N-Gly-CBZ was
Autor:
Sunil A. David, Gunda I. Georg, David Vander Velde, John T. Henri, Richard H. Himes, Sajiv K. Nair, Ting Lan Chiu, Bollu S. Reddy, Ramappa Chakrasali, Elizabeth A. Amin, Emily A. Reiff, Jack F. Greiner
Publikováno v:
The Journal of Organic Chemistry. 75:86-94
Three photoaffinity labeled derivatives of epothilone D were prepared by total synthesis, using efficient novel asymmetric synthesis methods for the preparation of two important synthetic building blocks. The key step for the asymmetric synthesis of
Autor:
David VanderVelde, Sajiv K. Nair, Gunda I. Georg, Richard H. Himes, Emily A. Reiff, Oliver E. Hutt, Jack F. Greiner, Bollu S. Reddy, Jun Inagaki, Elizabeth A. Amin, Ting Lan Chiu, John T. Henri
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 19:3293-3296
The total synthesis of 22-(3-azidobenzoyloxy)methyl epothilone C is described as a potential photoaffinity probe to elucidate the beta-tubulin binding site. A sequential Suzuki-aldol-Yamaguchi macrolactonization strategy was utilized employing a nove
Publikováno v:
Tetrahedron Letters. 37:6615-6618
Total synthesis of PA-48153C Pironetin — a potent immunosuppressant is described.
Autor:
Sajiv K. Nair, Jun Inagaki, B.S Narayan Reddy, John T. Henri, Gunda I. Georg, Jack F. Greiner, Emily A. Reiff
Publikováno v:
Tetrahedron Letters. 45:5845-5847
Two practical catalytic asymmetric reductions to introduce the epothilone C15 stereocenter are described (Itsuno–Corey reduction and Noyori hydrogenation).
Publikováno v:
ChemInform. 31
Autor:
Sajiv K. Nair, John T. Henri, Gunda I. Georg, Jack F. Greiner, David VanderVelde, Ting Lan Chiu, Bollu S. Reddy, Oliver E. Hutt, Emily A. Reiff, Elizabeth A. Amin, Richard H. Himes
Publikováno v:
Bioorganicmedicinal chemistry letters. 18(17)
The total synthesis of C25-benzyloxy epothilone C is described. A sequential Suzuki–Aldol–Yamaguchi macrolactonization strategy was utilized employing a novel derivatized C8–C12 fragment. The C25-benzyloxy analog exhibited significantly reduced
Publikováno v:
Phytochemistry. 68(14)
Natural product substances have historically served as the most significant source of new leads for pharmaceutical development. However, with the advent of robotics, bioinformatics, high throughput screening (HTS), molecular biology-biotechnology, co