Abstract: Carbapenems of the formula ##STR1## are useful antibacterial agents. Compositions containing such compounds and methods of use are also disclosed.
Abstract: The present invention is directed to water-soluble derivatives of antibiotic lipopeptides having the formula. ##STR1## wherein R is H or OH and R' is a phosphono, sulfo or acyl radical possessing a charged group at neutral pH.The derivatives are esters but having a charged group, have good solubility properties in aqueous medium, rendering them more useful as therapeutic agents.
Type:
Grant
Filed:
March 15, 1991
Date of Patent:
November 29, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Milton L. Hammond, James M. Balkovec, David J. Mathre
Abstract: A device for the controlled delivery of a beneficial agent as a gelatinous dispersion consisting of (i) a core which contains a beneficial agent, a polymer which forms gelatinous microscopic particles upon hydration and if desired an agent to modulate the hydration of the polymer; and (ii) an impermeable, insoluble coating which adheres to and surrounds the core and contains apertures which provide an area for the hydration and release of a dispersion comprising gelatinous microscopic particles.
Abstract: A new antibiotic cyclic lipopeptide having the formula ##STR1## wherein R is H or OH and a method of producing is described. The agent has very high activity against human pathogens and is of very low mammalian toxicity.
Type:
Grant
Filed:
May 21, 1993
Date of Patent:
November 22, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Robert E. Schwartz, Prakash S. Masurekar, David F. Sesin, Jerrold M. Liesch, Thomas C. Hallada, Otto D. Hensens
Abstract: The present invention is directed to farnesyl pyrophosphate analogs which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention, and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.
Type:
Grant
Filed:
June 18, 1993
Date of Patent:
November 8, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Neville J. Anthony, Ta-Jyh Lee, Robert L. Smith, Gerald E. Stokker
Abstract: Disclosed are carbapenems of the formula ##STR1## which are 2-(9-fluorenonyl)-carbapenems useful as antibacterial agents. Intermediates for preparation of these compounds is also disclosed.
Type:
Grant
Filed:
October 26, 1992
Date of Patent:
October 18, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Mark L. Greenlee, Frank P. DiNinno, Lovji D. Cama, James V. Heck
Abstract: Fermentation processes for the production of a compound of the Structural Formula I ##STR1## The compound of Structural Formula I has been shown to have endothelin antagonist activity and is therefore useful in treating cardiovascular disorders, such as hypertension, congestive heart failure, postischemic renal failure vasospasm, cerebral and cardia ischemia, myocardial infarction inflammatory diseases, Raynaud's disease, endotoxin shock and asthma.
Type:
Grant
Filed:
March 11, 1993
Date of Patent:
October 4, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Gerard F. Bills, Michael A. Goetz, Robert A. Giacobbe, Lucia Herranz, E. Tracy Turner Jones, Fernando Pelaez, Yu L. Kong, Sheo B. Singh, Siobhan Stevens-Miles
Abstract: The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.
Type:
Grant
Filed:
June 26, 1992
Date of Patent:
October 4, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Albert A. Deana, deceased, S. Jane deSolms, Samuel L. Graham, Robert L. Smith
Abstract: Triazolyl and tetrazolyl phenyl substituted carbapenems of the formula I are disclosed. ##STR1## One or two of the variables X, Y and Z represent nitrogen atoms. The heteroaryl ting may be charged or uncharged.Pharmaceutical compositions and methods of treatment are also disclosed.
Abstract: The invention comprises a novel process for the spheronization of charged resins. Spherical multiparticlates are produced which range in size from 0.3 mm to 3 mm in diameter. The spherical particle product is microcrystalline-free. The process consists of the steps of mixing followed by wet granulation, spheronization and drying.
Type:
Grant
Filed:
June 26, 1992
Date of Patent:
September 27, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Gregory A. McClelland, Gaylen M. Zentner
Abstract: The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.
Abstract: Diacylpiperazines of general structural formula: ##STR1## are: angiotensin II (A-II) antagonists with affinity for both AT.sub.1 and AT.sub.2 receptors useful in the treatment of hypertension, congestive heat failure, cerebrovascular, cognitive, and CNS disorders.
Abstract: The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.
Abstract: The present invention is directed to intermediates of the following formula which are useful in the preparation of Carbapenem-antibiotics ##STR1##
Type:
Grant
Filed:
November 19, 1992
Date of Patent:
August 16, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Ann DeCamp, Ulf H. Dolling, Yulan Li, Dale L. Rieger, Nobuyoshi Yasuda, Lyndon C. Xavier
Abstract: A process for obtaining a compound of the formula ##STR1## in crystalline form by solubilizing the compound in warm aqueous n-propanol and then allowing the solution to stand at ambient temperature until crystal formation is substantially complete is described. The crystalline compound obtained thereby is also described.
Type:
Grant
Filed:
August 27, 1991
Date of Patent:
August 9, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Robert E. Schwartz, August J. Kempf, David J. Mathre
Abstract: Phenoxyphenylacetic acids and derivatives of general structural formula I have endothelin ##STR1## antagonist activity and are therefore useful in treating cardiovascular disorders, such as hypertension, congestive heart failure, postischemic renal failure, vasospasm, cerebral and cardiac ischemia, myocardial infarction, inflammatory diseases, Raynaud's disease, and endotoxic shock, and asthma.
Type:
Grant
Filed:
March 19, 1993
Date of Patent:
August 2, 1994
Assignee:
Merck & Co., Inc.
Inventors:
Scott W. Bagley, Prasun K. Chakravarty, Anna Chen, Daljit S. Dhanoa, Kenneth J. Fitch, William J. Greenlee, Elizabeth M. Naylor, Thomas F. Walsh, David L. Williams, Jr.