| 5705645 |
Hereroaryl derivatives of monocyclic beta-lactam antibiotics |
Joseph E. Sundeen, Henner Straub, Peter H. Ermann, Uwe D. Treuner, Kent Amsberry +2 more |
1998-01-06 |
| 5420277 |
Intermediates for the preparation of heteroaryl derivatives of monocyclic beta-lactam antiobiotics |
Joseph E. Sundeen, Henner Straub, Peter H. Ermann, Uwe D. Treuner, Kent Amsberry +2 more |
1995-05-30 |
| 5290929 |
Heteroaryl derivatives of monocyclic beta-lactam antibiotics |
Joseph E. Sundeen, Henner Straub, Peter H. Ermann, Uwe D. Treuner, Kent Amsberry +2 more |
1994-03-01 |
| 4775670 |
2-oxo-1-azetidinesulfonic acid salts |
Richard B. Sykes, William Parker, Christopher M. Cimarusti, William A. Slusarchyk |
1988-10-04 |
| 4751220 |
Crystalline salts of [3S(Z)]-2[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-4-oxo-1-(sulfooxy)- 3-azetidinyl]amino]-2-oxoethylidene]-amino]oxy]acetic acid |
W. Lawrence Parker, Edward M. Cohen |
1988-06-14 |
| 4743685 |
2-oxo-1-[[(substituted sulfonyl)amino]carbonyl]azetidines |
Hermann Breuer, Uwe D. Treuner, Robert Zahler |
1988-05-10 |
| 4723002 |
1-(substituted phosphorous)-azetidinone antibacterials |
Gregory S. Bisacchi, Glenn A. Jacobs, Robert Zahler |
1988-02-02 |
| 4681937 |
3-acylamino-2-oxo-1-azetidinyl esters of phosphonic acids, phosphoric acid and phosphoric acid esters |
William A. Slusarchyk, Tamara Dejneka, Eric M. Gordon |
1987-07-21 |
| 4680388 |
O-sulfated spiro .beta.-lactam hydroxamic acids |
Joseph E. Sundeen, Robert Zahler |
1987-07-14 |
| 4670554 |
((3-Acylamino-2-oxo-1-azetidinyl)oxy)methyl)phosphinic acids |
Hermann Breuer |
1987-06-02 |
| 4654426 |
Acetylenic antibiotics |
Gregory S. Bisacchi |
1987-03-31 |
| 4638061 |
[3S(Z)]-2-[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-4-oxo-1-(sulfoo xy)-3-azetidinyl]amino]-2-oxoethylidene]-amino]oxy] acetic acid and intermediate |
William A. Slusarchyk |
1987-01-20 |
| 4638060 |
O-sulfated spiro .beta.-lactam hydroxamic acids |
Joseph E. Sundeen, Robert Zahler |
1987-01-20 |
| 4588828 |
Acetylenic antibiotics |
Gregory S. Bisacchi |
1986-05-13 |
| 4587051 |
Desulfonation process for preparing 2-azetidinones |
— |
1986-05-06 |
| 4576749 |
3-Acylamino-1-carboxymethylaminocarbonyl-2-azetidinones |
Robert Zahler, William A. Slusarchyk |
1986-03-18 |
| 4574153 |
8-Oxo-2-oxa-1-azabicyclo(4.2.0)octane-3-carboxylic acids |
David Kronenthal, Paula L. Kuester |
1986-03-04 |
| 4548751 |
(2-Oxo-1-azetidinyloxy)-2-propenoic acid |
Spencer David Kimball, David Kronenthal |
1985-10-22 |
| 4529698 |
Process for preparing a 2-oxo-1-azetidinesulfonic acid salt |
Richard B. Sykes, William Parker, Christopher M. Cimarusti, William A. Slusarchyk |
1985-07-16 |
| 4478749 |
2-Oxo-1-(substituted phosphorous)azetidines |
Christopher M. Cimarusti |
1984-10-23 |
| 4443374 |
Process for preparing (3S)-3-[[(2-amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]-acetyl]a mino]-2-oxo-1-azetidinesulfonic acid, and 4-substituted derivatives |
Christopher M. Cimarusti, Rita T. Fox, Alan W. Fritz, Jerome L. Moniot |
1984-04-17 |
| 4237128 |
7-[2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1, 1-dialkyl)alkoxyimino]acetamido]cephem sulfoxides |
Christopher M. Cimarusti, Richard B. Sykes |
1980-12-02 |
| 4203992 |
.beta.-Bromopenicillanic acid sulfone |
Eric M. Gordon |
1980-05-20 |