Zobrazeno 1 - 4
of 4
pro vyhledávání: '"William A. Bruder"'
Autor:
Martin J. O'Donnell, William N. Jacobsen, Keith. Knuth, William D. Bennett, Robin Polt, Frederick G. Bordwell, Thomas A. Cripe, Brigitte. LeClef, William A. Bruder, Susan Romberg Mrozack
Publikováno v:
Journal of the American Chemical Society. 110:8520-8525
Equilibrium acidities in Me2S0 are reported for six ketimines of the type Ph2C=NCH(R)C02Et and five aldimines, ArCH=NCH(R)C02Et. Changing R in the ketimine from H to Ph increased the pKa by 2.2 units. This surprising acidity decrease for Ph substitut
Autor:
Krzysztof P. Wojciechowski, Martin J. O'Donnell, Byron W. Daugherty, William A. Bruder, Deshan Liu
Publikováno v:
Tetrahedron Letters. 25:3651-3654
Schiff base and amidine ester 3 are alkylated and then hydrolyzed to yield N-alkyl amino acids 4 in 41–75% yield with high to complete retention of optical activity.
Autor:
Frederick G. Bordwell, Thomas A. Cripe, Martin J. O'Donnell, Keith. Knuth, William N. Jacobsen, William D. Bennett, Susan Romberg Mrozack, Brigitte. LeClef, William A. Bruder, Robin Polt
Publikováno v:
ChemInform. 20
Equilibrium acidities in Me2S0 are reported for six ketimines of the type Ph2C=NCH(R)C02Et and five aldimines, ArCH=NCH(R)C02Et. Changing R in the ketimine from H to Ph increased the pKa by 2.2 units. This surprising acidity decrease for Ph substitut
Autor:
Daniel F. Shullenberger, Gilbert S. Staten, Thomas M. Eckrich, William A. Bruder, Martin J. O'Donnell
Publikováno v:
Synthesis. 1984:127-128
On prepare les aminoacides du titre a partir du dibromo-1,2 ethane et du dibromo-1,4 butane et d'un synthon obtenu par reaction de l'aminoacetonitrile avec l'imine de la benzophenone