Inventor

CHRISTENSEN BURTON G

154 patents

⚠️ This page may combine multiple inventors who share the name “CHRISTENSEN BURTON G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHRISTENSEN BURTON G

MERCK & CO INC

1-Carba-2-penem-3-carboxylic acid

6-(1&#39;-Hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid

1-, 6- And 2-substituted-1-carba-2-penem-3-carboxylic acids

Substituted N-methylene derivatives of thienamycin

1-carba-2-penem-3-carboxylic acid

Oral absorption enhancement of carboxylic acid pharmaceuticals using (5-alkyl-2-oxo-1,3-dioxolen-4-yl)methyl ester group

Oral absorption enhancement of carboxylic acid pharmaceuticals using (5-alkyl-2-oxo-1,3-dioxolen-4-yl)methyl ester group

Process for preparing 1-6-and 2-substituted-1-carba-2-penem-3-carboxylic acids

6-, 1- and 2-Substituted-1-carbadethiapen-2-em-3-carboxylic acids

3-(Substituted thio) cephalosporins, derivatives and nuclear analogues thereof

N-Alkyl-N-iminomethyl derivatives of thienamycin

7-(Substituted methyl)-3-(substituted thio)-cephalosporins, derivatives and pharmaceutical compositions containing them

Avermectin derivatives

Process for the preparation of 1-carbapenems and intermediates via silyl-substituted dithioacetals

6- and 4-Substituted-1-azabicyclo[3.2.0]heptan-3,7-dione-2-carboxylates

6-(1-Hydroxyethyl)-3-substituted-1-azabicyclo(3.2.0)-hept-2-en-7-one-2-carboxylic acid

6-, 1- And 2-substituted-1-carbadethiapen-2-em-3-carboxylic acids

Process for the preparation of 1-carbapenems and intermediates via trithioorthoacetates

6-(1&#39;-Hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid

7-α-Methoxy cephalosporins

Process for the preparation of thienamycin and intermediates

3-(2-Aminoethylthio)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Novel antibiotic analogues of cephalosporins

6-Amido-1-carba-2-penem-3-carboxylic acid

6-(1-Hydroxyethyl)-2-(2-aminoethylthio)-1-substituted-1-carbade-thiapen-2-em-3-carboxylic acids

6-Amido-3-substituted-amino-1-azabicyclo[3.2.0]hept-2-en-7-one-2-carboxylic acid

6-Substituted methyl penicillins, derivatives and analogues thereof

6- and 1-Substituted-1-carbadethiapen-2-em-3-carboxylic acid

4-Iodomethylazetidin-2-one

6-(1&#39;-Hydroxyethyl)-2-aminoethylthio-pen-2-em-3-carboxylic acid

Process for the preparation of thienamycin and intermediates

2-carbamimidoyl-6-substituted-1-carbadethiapen-2-em-3-carboxylic acids

2-substituted-6-carbadethiapen-2-em-3-carboxylic acids

2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids

Process for preparing 3-substituted-6-substituted-7-oxo-1-azabicycl(3.2.0)-hept-2-ene-2-carboxylic acid

Process for preparing 3-substituted-6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Process for the preparation of thienamycin and intermediates

Intermediates for process for chiral synthesis of 1-β-methyl-carbapenem intermediates

Carbapenems and 1-methylcarbapenems having an externally alkylated mono- or bicyclic 2-quaternary heteroarylalkyl substituent

β-lactams containing an α-exocyclic double bond

1-, 6- and 2-substituted-1-carba-2-penem-3-carboxylic acids

Process for chiral synthesis of 1-β-methylcarbapenem intermediates

6- And 6,6-disubstituted-3-substituted amino-1-azabicyclo-[3.2.0]hept-2-en-7-one-2-carboxylic acid

6-(1&#39;-Hydroxyethyl)-3-substituted amino-1-azabicyclo- 3.2.0!hept-2-en-7-one-2-carboxylic acid

Process for preparing 6-(1&#39;-hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid

Process for the preparation of thienamycin and intermediates

6-Amidocyclonocardicins

3-Substituted-6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

MICROCIDE PHARMACEUTICALS INC

Substituted-pyridinyl cephalosporin antibiotics active against methicillin resistant bacteria

MEIJI SEIKA KAISHA

Derivatives of pyrrolidin-2-ylcarbonylheterocyclic compounds

6-(1'-Hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid

6-(1'-Hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid

6-(1'-Hydroxyethyl)-2-aminoethylthio-pen-2-em-3-carboxylic acid

6-(1'-Hydroxyethyl)-3-substituted amino-1-azabicyclo- 3.2.0!hept-2-en-7-one-2-carboxylic acid

Process for preparing 6-(1'-hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid